Reference for App Specification

Validated on 6 Oct 2020 • Posted on 6 Oct 2020

App Platform is a Platform-as-a-Service (PaaS) offering that allows developers to publish code directly to DigitalOcean servers without worrying about the underlying infrastructure.

As an alternative to configuring your app in the control panel, you can define an app specification using YAML. YAML-based app specs are useful for deploying fully-configured apps with the DigitalOcean API or doctl, the DigitalOcean command-line tool.

App Spec Definition

The application specification, or app spec, is a YAML manifest that declaratively states everything about your App Platform app, including each resource and all of your app’s environment variables and configuration variables.

Example App Spec

This app spec defines a one-service app that builds and deploys a Dockerfile in the root of the linked repo. The app uses a static site generator called Hugo, passing in HUGO_VERSION as an environment variable. A CORS exception is defined for internal.example-app.com, and an alert is triggered in the event of deployment failure.

    
        
            
alerts:
- rule: DEPLOYMENT_FAILED
domains:
- domain: example-app.com
  type: PRIMARY
features:
- enable-kata-build
name: example-app-name
region: nyc
services:
- cors:
    allow_origins:
    - prefix: https://internal.example-app.com
  dockerfile_path: Dockerfile
  envs:
  - key: HUGO_VERSION
    scope: RUN_AND_BUILD_TIME
    value: 0.81.0
  github:
    branch: main
    deploy_on_push: true
    repo: example-org/example-repo
  http_port: 80
  instance_count: 2
  instance_size_slug: professional-xs
  name: example-service-name
  routes:
  - path: /

YAML File Structure

This reference covers all possible values that can be defined in an app spec. Whitespace defines hierarchy in YAML files, so this reference uses whitespace to nest child values under parent values. Where the string (array) appears, you can define more than one of the child values, but you must prefix them with a - dash as shown, per YAML syntax.

  • name

    String. The name of the app. Must be unique across all apps in the same account.

    Minimum length: 2. Maximum length: 32.

    Must comply with the following regular expression: ^[a-z][a-z0-9-]{0,30}[a-z0-9]$

  • services (array)
    Array of Objects. Workloads which expose publicly-accessible HTTP services.
    • name

      String. The name. Must be unique across all components within the same app.

      Minimum length: 2. Maximum length: 32.

      Must comply with the following regular expression: ^[a-z][a-z0-9-]{0,30}[a-z0-9]$

    • git
      Object. A Git repo to use as component’s source. Only one of git, github, gitlab, or image must be set.
      • repo_clone_url

        String. The clone URL of the repo. Example: https://github.com/digitalocean/sample-golang.git

        Maximum length: 255

      • branch
        String. The name of the branch to use
    • github
      Object. A GitHub repo to use as component’s source. Only one of git, github, gitlab, or image must be set.
      • repo

        String. The name of the repo in the format owner/repo. Example: digitalocean/sample-golang

        Must comply with the following regular expression: ^[^/]+/[^/]+$

      • branch
        String. The name of the branch to use
      • deploy_on_push
        Boolean. Whether to automatically deploy new commits made to the repo
    • image
      Object. An image to use as the component’s source. Only one of git, github, gitlab, or image must be set.
      • registry_type

        String. The registry type.

        • DOCR: The DigitalOcean container registry type.
        • DOCKER_HUB: The DockerHub container registry type.
      • registry
        String. The registry name. Must be left empty for the DOCR registry type. Required for the DOCKER_HUB registry type.
      • repository
        String. The repository name.
      • tag
        String. The repository tag. Defaults to latest if not provided.
      • deploy_on_push
        Object. Configures automatically deploying images pushed to DOCR.
        • enabled
          Boolean. Whether to automatically deploy images pushed to DOCR.
    • gitlab
      Object. A GitLab repo to use as component’s source. Only one of git, github, gitlab, or image must be set.
      • repo

        String. The name of the repo in the format owner/repo or owner/subgroup/repo. Example: digitalocean/sample-golang or digitalocean/subgroup/sample-golang

        Must comply with the following regular expression: ^[^/]+(/[^/]+)+$

      • branch
        String. The name of the branch to use
      • deploy_on_push
        Boolean. Whether to automatically deploy new commits made to the repo
    • dockerfile_path
      String. The path to the Dockerfile relative to the root of the repo. If set, it will be used to build this component. Otherwise, App Platform will attempt to build it using buildpacks.
    • build_command
      String. An optional build command to run while building this component from source.
    • run_command
      String. An optional run command to override the component’s default.
    • source_dir
      String. An optional path to the working directory to use for the build. For Dockerfile builds, this will be used as the build context. Must be relative to the root of the repo.
    • environment_slug
      Deprecated. App Platform now extracts this value automatically during the build process. String. An environment slug describing the type of this app.
    • envs (array)
      Array of Objects. A list of environment variables made available to the component.
      • key

        String. The name

        Must comply with the following regular expression: ^[_A-Za-z][_A-Za-z0-9]*$

      • value
        String. The value. If the type is SECRET, the value will be encrypted on first submission. On following submissions, the encrypted value should be used.
      • scope

        String. The visibility scope

        • RUN_TIME: Made available only at run-time
        • BUILD_TIME: Made available only at build-time
        • RUN_AND_BUILD_TIME: Made available at both build and run-time
      • type

        String. The type

        • GENERAL: A plain-text environment variable
        • SECRET: A secret encrypted environment variable
    • instance_size_slug
      String. The instance size to use for this component. Default: basic-xxs
    • instance_count
      Integer. The amount of instances that this component should be scaled to. Default: 1
    • http_port
      Integer. The internal port on which this service’s run command will listen. Default: 8080 If there is not an environment variable with the name PORT, one will be automatically added with its value set to the value of this field.
    • routes (array)
      Array of Objects. A list of HTTP routes that should be routed to this component.
      • path
        String. An HTTP path prefix. Paths must start with / and must be unique across all components within an app.
      • preserve_path_prefix
        Boolean. An optional flag to preserve the path that is forwarded to the backend service. By default, the HTTP request path will be trimmed from the left when forwarded to the component. For example, a component with path=/api will have requests to /api/list trimmed to /list. If this value is true, the path will remain /api/list. Note: this is not applicable for Functions Components.
    • health_check
      Object. A health check to determine the availability of this component.
      • initial_delay_seconds
        Integer. The number of seconds to wait before beginning health checks. Default: 0.
      • period_seconds
        Integer. The number of seconds to wait between health checks. Default: 10.
      • timeout_seconds
        Integer. The number of seconds after which the check times out. Default: 1.
      • success_threshold
        Integer. The number of successful health checks before considered healthy. Default: 1.
      • failure_threshold
        Integer. The number of failed health checks before considered unhealthy. Default: 9.
      • http_path
        String. The route path used for the HTTP health check ping. If not set, the HTTP health check will be disabled and a TCP health check used instead.
      • port
        Integer. The port on which the health check will be performed. If not set, the health check will be performed on the component’s http_port.
    • cors
      Object. A Cross-Origin Resource Sharing policy (CORS).
      • allow_origins (array)
        Array of Objects. The set of allowed CORS origins. This configures the Access-Control-Allow-Origin header.
        • exact

          String. Exact string match. Only 1 of exact, prefix, or regex must be set.

          Minimum length: 1. Maximum length: 256

        • prefix

          String. Prefix-based match. Only 1 of exact, prefix, or regex must be set.

          Minimum length: 1. Maximum length: 256

        • regex

          String. RE2 style regex-based match. Only 1 of exact, prefix, or regex must be set. For more information about RE2 syntax, see: https://github.com/google/re2/wiki/Syntax

          Minimum length: 1. Maximum length: 256

      • allow_methods (array)
        Array of Strings. The set of allowed HTTP methods. This configures the Access-Control-Allow-Methods header.
      • allow_headers (array)
        Array of Strings. The set of allowed HTTP request headers. This configures the Access-Control-Allow-Headers header.
      • expose_headers (array)
        Array of Strings. The set of HTTP response headers that browsers are allowed to access. This configures the Access-Control-Expose-Headers header.
      • max_age
        String. An optional duration specifying how long browsers can cache the results of a preflight request. This configures the Access-Control-Max-Age header. Example: 5h30m.
      • allow_credentials
        Boolean. Whether browsers should expose the response to the client-side JavaScript code when the request’s credentials mode is include. This configures the Access-Control-Allow-Credentials header.
    • internal_ports (array)
      Array of Int64s. The ports on which this service will listen for internal traffic.
    • alerts (array)
      Array of Objects. A list of configured alerts which apply to the component.
      • rule

        String. The specific type of alert.

        • CPU_UTILIZATION: Represents CPU for a given container instance. Only applicable at the component level.
        • MEM_UTILIZATION: Represents RAM for a given container instance. Only applicable at the component level.
        • RESTART_COUNT: Represents restart count for a given container instance. Only applicable at the component level.
        • DEPLOYMENT_FAILED: Represents whether a deployment has failed. Only applicable at the app level.
        • DEPLOYMENT_LIVE: Represents whether a deployment has succeeded. Only applicable at the app level.
        • DOMAIN_FAILED: Represents whether a domain configuration has failed. Only applicable at the app level.
        • DOMAIN_LIVE: Represents whether a domain configuration has succeeded. Only applicable at the app level.
        • FUNCTIONS_ACTIVATION_COUNT: Represents an activation count for a given functions instance. Only applicable to functions components.
        • FUNCTIONS_AVERAGE_DURATION_MS: Represents the average duration for function runtimes. Only applicable to functions components.
        • FUNCTIONS_ERROR_RATE_PER_MINUTE: Represents an error rate per minute for a given functions instance. Only applicable to functions components.
        • FUNCTIONS_AVERAGE_WAIT_TIME_MS: Represents the average wait time for functions. Only applicable to functions components.
        • FUNCTIONS_ERROR_COUNT: Represents an error count for a given functions instance. Only applicable to functions components.
        • FUNCTIONS_GB_RATE_PER_SECOND: Represents the rate of memory consumption (GB x seconds) for functions. Only applicable to functions components.
      • disabled
        Boolean. Determines whether or not the alert is disabled.
      • operator
        String. Can be GREATER_THAN, or LESS_THAN
      • value
        Number. The meaning is dependent upon the rule. It is used in conjunction with the operator and window to determine when an alert should trigger.
      • window
        String. Can be FIVE_MINUTES, TEN_MINUTES, THIRTY_MINUTES, or ONE_HOUR
    • log_destinations (array)
      Array of Objects. A list of configured log forwarding destinations.
      • name

        String. Name of the log destination.

        Minimum length: 2. Maximum length: 42.

        Must comply with the following regular expression: ^[A-Za-z0-9()\[\]'"][-A-Za-z0-9_. \/()\[\]]{0,40}[A-Za-z0-9()\[\]'"]$

      • papertrail
        Object. Papertrail configuration.
        • endpoint
          String. Papertrail syslog endpoint.
      • datadog
        Object. Datadog configuration.
        • endpoint
          String. Datadog HTTP log intake endpoint.
        • api_key
          String. Datadog API key.
      • logtail
        Object. Logtail configuration.
        • token
          String. Logtail token.
  • static_sites (array)
    Array of Objects. Content which can be rendered to static web assets.
    • name

      String. The name. Must be unique across all components within the same app.

      Minimum length: 2. Maximum length: 32.

      Must comply with the following regular expression: ^[a-z][a-z0-9-]{0,30}[a-z0-9]$

    • git
      Object. A Git repo to use as component’s source. Only one of git, github, or gitlab must be set.
      • repo_clone_url

        String. The clone URL of the repo. Example: https://github.com/digitalocean/sample-golang.git

        Maximum length: 255

      • branch
        String. The name of the branch to use
    • github
      Object. A GitHub repo to use as component’s source. Only one of git, github, or gitlab must be set.
      • repo

        String. The name of the repo in the format owner/repo. Example: digitalocean/sample-golang

        Must comply with the following regular expression: ^[^/]+/[^/]+$

      • branch
        String. The name of the branch to use
      • deploy_on_push
        Boolean. Whether to automatically deploy new commits made to the repo
    • gitlab
      Object. A GitLab repo to use as component’s source. Only one of git, github, or gitlab must be set.
      • repo

        String. The name of the repo in the format owner/repo or owner/subgroup/repo. Example: digitalocean/sample-golang or digitalocean/subgroup/sample-golang

        Must comply with the following regular expression: ^[^/]+(/[^/]+)+$

      • branch
        String. The name of the branch to use
      • deploy_on_push
        Boolean. Whether to automatically deploy new commits made to the repo
    • dockerfile_path
      String. The path to the Dockerfile relative to the root of the repo. If set, it will be used to build this component. Otherwise, App Platform will attempt to build it using buildpacks.
    • build_command
      String. An optional build command to run while building this component from source.
    • source_dir
      String. An optional path to the working directory to use for the build. For Dockerfile builds, this will be used as the build context. Must be relative to the root of the repo.
    • environment_slug
      String. An environment slug describing the type of this app. For a full list, please refer to the product documentation.
    • output_dir
      String. An optional path to where the built assets will be located, relative to the build context. If not set, App Platform will automatically scan for these directory names: _static, dist, public, build.
    • index_document
      String. The name of the index document to use when serving this static site. Default: index.html
    • error_document
      String. The name of the error document to use when serving this static site. Default: 404.html. If no such file exists within the built assets, App Platform will supply one.
    • envs (array)
      Array of Objects. A list of environment variables made available to the component.
      • key

        String. The name

        Must comply with the following regular expression: ^[_A-Za-z][_A-Za-z0-9]*$

      • value
        String. The value. If the type is SECRET, the value will be encrypted on first submission. On following submissions, the encrypted value should be used.
      • scope

        String. The visibility scope

        • RUN_TIME: Made available only at run-time
        • BUILD_TIME: Made available only at build-time
        • RUN_AND_BUILD_TIME: Made available at both build and run-time
      • type

        String. The type

        • GENERAL: A plain-text environment variable
        • SECRET: A secret encrypted environment variable
    • routes (array)
      Array of Objects. A list of HTTP routes that should be routed to this component.
      • path
        String. An HTTP path prefix. Paths must start with / and must be unique across all components within an app.
      • preserve_path_prefix
        Boolean. An optional flag to preserve the path that is forwarded to the backend service. By default, the HTTP request path will be trimmed from the left when forwarded to the component. For example, a component with path=/api will have requests to /api/list trimmed to /list. If this value is true, the path will remain /api/list. Note: this is not applicable for Functions Components.
    • cors
      Object. A Cross-Origin Resource Sharing policy (CORS).
      • allow_origins (array)
        Array of Objects. The set of allowed CORS origins. This configures the Access-Control-Allow-Origin header.
        • exact

          String. Exact string match. Only 1 of exact, prefix, or regex must be set.

          Minimum length: 1. Maximum length: 256

        • prefix

          String. Prefix-based match. Only 1 of exact, prefix, or regex must be set.

          Minimum length: 1. Maximum length: 256

        • regex

          String. RE2 style regex-based match. Only 1 of exact, prefix, or regex must be set. For more information about RE2 syntax, see: https://github.com/google/re2/wiki/Syntax

          Minimum length: 1. Maximum length: 256

      • allow_methods (array)
        Array of Strings. The set of allowed HTTP methods. This configures the Access-Control-Allow-Methods header.
      • allow_headers (array)
        Array of Strings. The set of allowed HTTP request headers. This configures the Access-Control-Allow-Headers header.
      • expose_headers (array)
        Array of Strings. The set of HTTP response headers that browsers are allowed to access. This configures the Access-Control-Expose-Headers header.
      • max_age
        String. An optional duration specifying how long browsers can cache the results of a preflight request. This configures the Access-Control-Max-Age header. Example: 5h30m.
      • allow_credentials
        Boolean. Whether browsers should expose the response to the client-side JavaScript code when the request’s credentials mode is include. This configures the Access-Control-Allow-Credentials header.
    • catchall_document
      String. The name of the document to use as the fallback for any requests to documents that are not found when serving this static site. Only 1 of catchall_document or error_document can be set.
  • workers (array)
    Array of Objects. Workloads which do not expose publicly-accessible HTTP services.
    • name

      String. The name. Must be unique across all components within the same app.

      Minimum length: 2. Maximum length: 32.

      Must comply with the following regular expression: ^[a-z][a-z0-9-]{0,30}[a-z0-9]$

    • git
      Object. A Git repo to use as component’s source. Only one of git, github, gitlab, or image must be set.
      • repo_clone_url

        String. The clone URL of the repo. Example: https://github.com/digitalocean/sample-golang.git

        Maximum length: 255

      • branch
        String. The name of the branch to use
    • github
      Object. A GitHub repo to use as component’s source. Only one of git, github, gitlab, or image must be set.
      • repo

        String. The name of the repo in the format owner/repo. Example: digitalocean/sample-golang

        Must comply with the following regular expression: ^[^/]+/[^/]+$

      • branch
        String. The name of the branch to use
      • deploy_on_push
        Boolean. Whether to automatically deploy new commits made to the repo
    • image
      Object. An image to use as the component’s source. Only one of git, github, gitlab, or image must be set.
      • registry_type

        String. The registry type.

        • DOCR: The DigitalOcean container registry type.
        • DOCKER_HUB: The DockerHub container registry type.
      • registry
        String. The registry name. Must be left empty for the DOCR registry type. Required for the DOCKER_HUB registry type.
      • repository
        String. The repository name.
      • tag
        String. The repository tag. Defaults to latest if not provided.
      • deploy_on_push
        Object. Configures automatically deploying images pushed to DOCR.
        • enabled
          Boolean. Whether to automatically deploy images pushed to DOCR.
    • gitlab
      Object. A GitLab repo to use as component’s source. Only one of git, github, gitlab, or image must be set.
      • repo

        String. The name of the repo in the format owner/repo or owner/subgroup/repo. Example: digitalocean/sample-golang or digitalocean/subgroup/sample-golang

        Must comply with the following regular expression: ^[^/]+(/[^/]+)+$

      • branch
        String. The name of the branch to use
      • deploy_on_push
        Boolean. Whether to automatically deploy new commits made to the repo
    • dockerfile_path
      String. The path to the Dockerfile relative to the root of the repo. If set, it will be used to build this component. Otherwise, App Platform will attempt to build it using buildpacks.
    • build_command
      String. An optional build command to run while building this component from source.
    • run_command
      String. An optional run command to override the component’s default.
    • source_dir
      String. An optional path to the working directory to use for the build. For Dockerfile builds, this will be used as the build context. Must be relative to the root of the repo.
    • environment_slug
      String. An environment slug describing the type of this app. For a full list, please refer to the product documentation.
    • envs (array)
      Array of Objects. A list of environment variables made available to the component.
      • key

        String. The name

        Must comply with the following regular expression: ^[_A-Za-z][_A-Za-z0-9]*$

      • value
        String. The value. If the type is SECRET, the value will be encrypted on first submission. On following submissions, the encrypted value should be used.
      • scope

        String. The visibility scope

        • RUN_TIME: Made available only at run-time
        • BUILD_TIME: Made available only at build-time
        • RUN_AND_BUILD_TIME: Made available at both build and run-time
      • type

        String. The type

        • GENERAL: A plain-text environment variable
        • SECRET: A secret encrypted environment variable
    • instance_size_slug
      String. The instance size to use for this component.
    • instance_count
      Integer. The amount of instances that this component should be scaled to. Default: 1
    • alerts (array)
      Array of Objects. A list of configured alerts which apply to the component.
      • rule

        String. The specific type of alert.

        • CPU_UTILIZATION: Represents CPU for a given container instance. Only applicable at the component level.
        • MEM_UTILIZATION: Represents RAM for a given container instance. Only applicable at the component level.
        • RESTART_COUNT: Represents restart count for a given container instance. Only applicable at the component level.
        • DEPLOYMENT_FAILED: Represents whether a deployment has failed. Only applicable at the app level.
        • DEPLOYMENT_LIVE: Represents whether a deployment has succeeded. Only applicable at the app level.
        • DOMAIN_FAILED: Represents whether a domain configuration has failed. Only applicable at the app level.
        • DOMAIN_LIVE: Represents whether a domain configuration has succeeded. Only applicable at the app level.
        • FUNCTIONS_ACTIVATION_COUNT: Represents an activation count for a given functions instance. Only applicable to functions components.
        • FUNCTIONS_AVERAGE_DURATION_MS: Represents the average duration for function runtimes. Only applicable to functions components.
        • FUNCTIONS_ERROR_RATE_PER_MINUTE: Represents an error rate per minute for a given functions instance. Only applicable to functions components.
        • FUNCTIONS_AVERAGE_WAIT_TIME_MS: Represents the average wait time for functions. Only applicable to functions components.
        • FUNCTIONS_ERROR_COUNT: Represents an error count for a given functions instance. Only applicable to functions components.
        • FUNCTIONS_GB_RATE_PER_SECOND: Represents the rate of memory consumption (GB x seconds) for functions. Only applicable to functions components.
      • disabled
        Boolean. Determines whether or not the alert is disabled.
      • operator
        String. Can be GREATER_THAN, or LESS_THAN
      • value
        Number. The meaning is dependent upon the rule. It is used in conjunction with the operator and window to determine when an alert should trigger.
      • window
        String. Can be FIVE_MINUTES, TEN_MINUTES, THIRTY_MINUTES, or ONE_HOUR
    • log_destinations (array)
      Array of Objects. A list of configured log forwarding destinations.
      • name

        String. Name of the log destination.

        Minimum length: 2. Maximum length: 42.

        Must comply with the following regular expression: ^[A-Za-z0-9()\[\]'"][-A-Za-z0-9_. \/()\[\]]{0,40}[A-Za-z0-9()\[\]'"]$

      • papertrail
        Object. Papertrail configuration.
        • endpoint
          String. Papertrail syslog endpoint.
      • datadog
        Object. Datadog configuration.
        • endpoint
          String. Datadog HTTP log intake endpoint.
        • api_key
          String. Datadog API key.
      • logtail
        Object. Logtail configuration.
        • token
          String. Logtail token.
  • jobs (array)
    Array of Objects. Pre and post deployment workloads which do not expose publicly-accessible HTTP routes.
    • name

      String. The name. Must be unique across all components within the same app.

      Minimum length: 2. Maximum length: 32.

      Must comply with the following regular expression: ^[a-z][a-z0-9-]{0,30}[a-z0-9]$

    • git
      Object. A Git repo to use as component’s source. Only one of git, github, gitlab, or image must be set.
      • repo_clone_url

        String. The clone URL of the repo. Example: https://github.com/digitalocean/sample-golang.git

        Maximum length: 255

      • branch
        String. The name of the branch to use
    • github
      Object. A GitHub repo to use as component’s source. Only one of git, github, gitlab, or image must be set.
      • repo

        String. The name of the repo in the format owner/repo. Example: digitalocean/sample-golang

        Must comply with the following regular expression: ^[^/]+/[^/]+$

      • branch
        String. The name of the branch to use
      • deploy_on_push
        Boolean. Whether to automatically deploy new commits made to the repo
    • image
      Object. An image to use as the component’s source. Only one of git, github, gitlab, or image must be set.
      • registry_type

        String. The registry type.

        • DOCR: The DigitalOcean container registry type.
        • DOCKER_HUB: The DockerHub container registry type.
      • registry
        String. The registry name. Must be left empty for the DOCR registry type. Required for the DOCKER_HUB registry type.
      • repository
        String. The repository name.
      • tag
        String. The repository tag. Defaults to latest if not provided.
      • deploy_on_push
        Object. Configures automatically deploying images pushed to DOCR.
        • enabled
          Boolean. Whether to automatically deploy images pushed to DOCR.
    • gitlab
      Object. A GitLab repo to use as component’s source. Only one of git, github, gitlab, or image must be set.
      • repo

        String. The name of the repo in the format owner/repo or owner/subgroup/repo. Example: digitalocean/sample-golang or digitalocean/subgroup/sample-golang

        Must comply with the following regular expression: ^[^/]+(/[^/]+)+$

      • branch
        String. The name of the branch to use
      • deploy_on_push
        Boolean. Whether to automatically deploy new commits made to the repo
    • dockerfile_path
      String. The path to the Dockerfile relative to the root of the repo. If set, it will be used to build this component. Otherwise, App Platform will attempt to build it using buildpacks.
    • build_command
      String. An optional build command to run while building this component from source.
    • run_command
      String. An optional run command to override the component’s default.
    • source_dir
      String. An optional path to the working directory to use for the build. For Dockerfile builds, this will be used as the build context. Must be relative to the root of the repo.
    • environment_slug
      String. An environment slug describing the type of this app. For a full list, please refer to the product documentation.
    • envs (array)
      Array of Objects. A list of environment variables made available to the component.
      • key

        String. The name

        Must comply with the following regular expression: ^[_A-Za-z][_A-Za-z0-9]*$

      • value
        String. The value. If the type is SECRET, the value will be encrypted on first submission. On following submissions, the encrypted value should be used.
      • scope

        String. The visibility scope

        • RUN_TIME: Made available only at run-time
        • BUILD_TIME: Made available only at build-time
        • RUN_AND_BUILD_TIME: Made available at both build and run-time
      • type

        String. The type

        • GENERAL: A plain-text environment variable
        • SECRET: A secret encrypted environment variable
    • instance_size_slug
      String. The instance size to use for this component.
    • instance_count
      Integer. The amount of instances that this component should be scaled to. Default: 1
    • kind

      String. The type of job and when it will be run during the deployment process.

      • UNSPECIFIED: Default job type, will auto-complete to POST_DEPLOY kind.
      • PRE_DEPLOY: Indicates a job that runs before an app deployment.
      • POST_DEPLOY: Indicates a job that runs after an app deployment.
      • FAILED_DEPLOY: Indicates a job that runs after a component fails to deploy.
    • alerts (array)
      Array of Objects. A list of configured alerts which apply to the component.
      • rule

        String. The specific type of alert.

        • CPU_UTILIZATION: Represents CPU for a given container instance. Only applicable at the component level.
        • MEM_UTILIZATION: Represents RAM for a given container instance. Only applicable at the component level.
        • RESTART_COUNT: Represents restart count for a given container instance. Only applicable at the component level.
        • DEPLOYMENT_FAILED: Represents whether a deployment has failed. Only applicable at the app level.
        • DEPLOYMENT_LIVE: Represents whether a deployment has succeeded. Only applicable at the app level.
        • DOMAIN_FAILED: Represents whether a domain configuration has failed. Only applicable at the app level.
        • DOMAIN_LIVE: Represents whether a domain configuration has succeeded. Only applicable at the app level.
        • FUNCTIONS_ACTIVATION_COUNT: Represents an activation count for a given functions instance. Only applicable to functions components.
        • FUNCTIONS_AVERAGE_DURATION_MS: Represents the average duration for function runtimes. Only applicable to functions components.
        • FUNCTIONS_ERROR_RATE_PER_MINUTE: Represents an error rate per minute for a given functions instance. Only applicable to functions components.
        • FUNCTIONS_AVERAGE_WAIT_TIME_MS: Represents the average wait time for functions. Only applicable to functions components.
        • FUNCTIONS_ERROR_COUNT: Represents an error count for a given functions instance. Only applicable to functions components.
        • FUNCTIONS_GB_RATE_PER_SECOND: Represents the rate of memory consumption (GB x seconds) for functions. Only applicable to functions components.
      • disabled
        Boolean. Determines whether or not the alert is disabled.
      • operator
        String. Can be GREATER_THAN, or LESS_THAN
      • value
        Number. The meaning is dependent upon the rule. It is used in conjunction with the operator and window to determine when an alert should trigger.
      • window
        String. Can be FIVE_MINUTES, TEN_MINUTES, THIRTY_MINUTES, or ONE_HOUR
    • log_destinations (array)
      Array of Objects. A list of configured log forwarding destinations.
      • name

        String. Name of the log destination.

        Minimum length: 2. Maximum length: 42.

        Must comply with the following regular expression: ^[A-Za-z0-9()\[\]'"][-A-Za-z0-9_. \/()\[\]]{0,40}[A-Za-z0-9()\[\]'"]$

      • papertrail
        Object. Papertrail configuration.
        • endpoint
          String. Papertrail syslog endpoint.
      • datadog
        Object. Datadog configuration.
        • endpoint
          String. Datadog HTTP log intake endpoint.
        • api_key
          String. Datadog API key.
      • logtail
        Object. Logtail configuration.
        • token
          String. Logtail token.
  • functions (array)
    Array of Objects. Workloads which expose publicly-accessible HTTP services via Functions Components.
    • name

      String. The name. Must be unique across all components within the same app.

      Minimum length: 2. Maximum length: 32.

      Must comply with the following regular expression: ^[a-z][a-z0-9-]{0,30}[a-z0-9]$

    • git
      Object. A Git repo to use as component’s source. Only one of git, github, or gitlab must be set.
      • repo_clone_url

        String. The clone URL of the repo. Example: https://github.com/digitalocean/sample-golang.git

        Maximum length: 255

      • branch
        String. The name of the branch to use
    • github
      Object. A GitHub repo to use as component’s source. Only one of git, github, or gitlab must be set.
      • repo

        String. The name of the repo in the format owner/repo. Example: digitalocean/sample-golang

        Must comply with the following regular expression: ^[^/]+/[^/]+$

      • branch
        String. The name of the branch to use
      • deploy_on_push
        Boolean. Whether to automatically deploy new commits made to the repo
    • gitlab
      Object. A GitLab repo to use as component’s source. Only one of git, github, or gitlab must be set.
      • repo

        String. The name of the repo in the format owner/repo or owner/subgroup/repo. Example: digitalocean/sample-golang or digitalocean/subgroup/sample-golang

        Must comply with the following regular expression: ^[^/]+(/[^/]+)+$

      • branch
        String. The name of the branch to use
      • deploy_on_push
        Boolean. Whether to automatically deploy new commits made to the repo
    • source_dir
      String. An optional path to the working directory to use for the build. Must be relative to the root of the repo.
    • envs (array)
      Array of Objects. A list of environment variables made available to the component.
      • key

        String. The name

        Must comply with the following regular expression: ^[_A-Za-z][_A-Za-z0-9]*$

      • value
        String. The value. If the type is SECRET, the value will be encrypted on first submission. On following submissions, the encrypted value should be used.
      • scope

        String. The visibility scope

        • RUN_TIME: Made available only at run-time
        • BUILD_TIME: Made available only at build-time
        • RUN_AND_BUILD_TIME: Made available at both build and run-time
      • type

        String. The type

        • GENERAL: A plain-text environment variable
        • SECRET: A secret encrypted environment variable
    • routes (array)
      Array of Objects. A list of HTTP routes that should be routed to this component.
      • path
        String. An HTTP path prefix. Paths must start with / and must be unique across all components within an app.
      • preserve_path_prefix
        Boolean. An optional flag to preserve the path that is forwarded to the backend service. By default, the HTTP request path will be trimmed from the left when forwarded to the component. For example, a component with path=/api will have requests to /api/list trimmed to /list. If this value is true, the path will remain /api/list. Note: this is not applicable for Functions Components.
    • alerts (array)
      Array of Objects. A list of configured alerts the user has enabled.
      • rule

        String. The specific type of alert.

        • CPU_UTILIZATION: Represents CPU for a given container instance. Only applicable at the component level.
        • MEM_UTILIZATION: Represents RAM for a given container instance. Only applicable at the component level.
        • RESTART_COUNT: Represents restart count for a given container instance. Only applicable at the component level.
        • DEPLOYMENT_FAILED: Represents whether a deployment has failed. Only applicable at the app level.
        • DEPLOYMENT_LIVE: Represents whether a deployment has succeeded. Only applicable at the app level.
        • DOMAIN_FAILED: Represents whether a domain configuration has failed. Only applicable at the app level.
        • DOMAIN_LIVE: Represents whether a domain configuration has succeeded. Only applicable at the app level.
        • FUNCTIONS_ACTIVATION_COUNT: Represents an activation count for a given functions instance. Only applicable to functions components.
        • FUNCTIONS_AVERAGE_DURATION_MS: Represents the average duration for function runtimes. Only applicable to functions components.
        • FUNCTIONS_ERROR_RATE_PER_MINUTE: Represents an error rate per minute for a given functions instance. Only applicable to functions components.
        • FUNCTIONS_AVERAGE_WAIT_TIME_MS: Represents the average wait time for functions. Only applicable to functions components.
        • FUNCTIONS_ERROR_COUNT: Represents an error count for a given functions instance. Only applicable to functions components.
        • FUNCTIONS_GB_RATE_PER_SECOND: Represents the rate of memory consumption (GB x seconds) for functions. Only applicable to functions components.
      • disabled
        Boolean. Determines whether or not the alert is disabled.
      • operator
        String. Can be GREATER_THAN, or LESS_THAN
      • value
        Number. The meaning is dependent upon the rule. It is used in conjunction with the operator and window to determine when an alert should trigger.
      • window
        String. Can be FIVE_MINUTES, TEN_MINUTES, THIRTY_MINUTES, or ONE_HOUR
    • log_destinations (array)
      Array of Objects. A list of configured log forwarding destinations.
      • name

        String. Name of the log destination.

        Minimum length: 2. Maximum length: 42.

        Must comply with the following regular expression: ^[A-Za-z0-9()\[\]'"][-A-Za-z0-9_. \/()\[\]]{0,40}[A-Za-z0-9()\[\]'"]$

      • papertrail
        Object. Papertrail configuration.
        • endpoint
          String. Papertrail syslog endpoint.
      • datadog
        Object. Datadog configuration.
        • endpoint
          String. Datadog HTTP log intake endpoint.
        • api_key
          String. Datadog API key.
      • logtail
        Object. Logtail configuration.
        • token
          String. Logtail token.
    • cors
      Object. A Cross-Origin Resource Sharing policy (CORS).
      • allow_origins (array)
        Array of Objects. The set of allowed CORS origins. This configures the Access-Control-Allow-Origin header.
        • exact

          String. Exact string match. Only 1 of exact, prefix, or regex must be set.

          Minimum length: 1. Maximum length: 256

        • prefix

          String. Prefix-based match. Only 1 of exact, prefix, or regex must be set.

          Minimum length: 1. Maximum length: 256

        • regex

          String. RE2 style regex-based match. Only 1 of exact, prefix, or regex must be set. For more information about RE2 syntax, see: https://github.com/google/re2/wiki/Syntax

          Minimum length: 1. Maximum length: 256

      • allow_methods (array)
        Array of Strings. The set of allowed HTTP methods. This configures the Access-Control-Allow-Methods header.
      • allow_headers (array)
        Array of Strings. The set of allowed HTTP request headers. This configures the Access-Control-Allow-Headers header.
      • expose_headers (array)
        Array of Strings. The set of HTTP response headers that browsers are allowed to access. This configures the Access-Control-Expose-Headers header.
      • max_age
        String. An optional duration specifying how long browsers can cache the results of a preflight request. This configures the Access-Control-Max-Age header. Example: 5h30m.
      • allow_credentials
        Boolean. Whether browsers should expose the response to the client-side JavaScript code when the request’s credentials mode is include. This configures the Access-Control-Allow-Credentials header.
  • databases (array)
    Array of Objects. Database instances which can provide persistence to workloads within the application.
    • name

      String. The name. Must be unique across all components within the same app.

      Minimum length: 2. Maximum length: 32.

      Must comply with the following regular expression: ^[a-z][a-z0-9-]{0,30}[a-z0-9]$

    • engine

      String. The database engine to use

      • MYSQL: MySQL
      • PG: PostgreSQL
      • REDIS: Redis
      • MONGODB: MongoDB
    • version
      String. The version of the database engine
    • production
      Boolean. Whether this is a production or dev database.
    • cluster_name
      String. The name of the underlying DigitalOcean DBaaS cluster. This is required for production databases. For dev databases, if cluster_name is not set, a new cluster will be provisioned.
    • db_name
      String. The name of the MySQL or PostgreSQL database to configure.
    • db_user
      String. The name of the MySQL or PostgreSQL user to configure.
  • domains (array)
    Array of Objects. A set of hostnames where the application will be available.
    • domain

      String. The hostname for the domain

      Minimum length: 4. Maximum length: 253.

      Must comply with the following regular expression: ^([a-zA-Z0-9]+(-+[a-zA-Z0-9]+)*\.)+(xn--)?[a-zA-Z0-9]{2,}\.?$

    • type

      String. The domain type, which can be one of the following:

      • DEFAULT: The default .ondigitalocean.app domain assigned to this app
      • PRIMARY: The primary domain for this app that is displayed as the default in the control panel, used in bindable environment variables, and any other places that reference an app’s live URL. Only one domain may be set as primary.
      • ALIAS: A non-primary domain
    • wildcard
      Boolean. Indicates whether the domain includes all sub-domains, in addition to the given domain
    • zone

      String. Optional. If the domain uses DigitalOcean DNS and you would like App Platform to automatically manage it for you, set this to the name of the domain on your account.

      For example, If the domain you are adding is app.domain.com, the zone could be domain.com.

    • minimum_tls_version

      String. Optional. The minimum version of TLS a client application can use to access resources for the domain.

      Must be one of the following values wrapped within quotations: "1.2" or "1.3".

  • region
    String. The slug form of the geographical origin of the app. Default: nearest available
  • envs (array)
    Array of Objects. A list of environment variables made available to all components in the app.
    • key

      String. The name

      Must comply with the following regular expression: ^[_A-Za-z][_A-Za-z0-9]*$

    • value
      String. The value. If the type is SECRET, the value will be encrypted on first submission. On following submissions, the encrypted value should be used.
    • scope

      String. The visibility scope

      • RUN_TIME: Made available only at run-time
      • BUILD_TIME: Made available only at build-time
      • RUN_AND_BUILD_TIME: Made available at both build and run-time
    • type

      String. The type

      • GENERAL: A plain-text environment variable
      • SECRET: A secret encrypted environment variable
  • alerts (array)
    Array of Objects. A list of alerts which apply to the app.
    • rule

      String. The specific type of alert.

      • CPU_UTILIZATION: Represents CPU for a given container instance. Only applicable at the component level.
      • MEM_UTILIZATION: Represents RAM for a given container instance. Only applicable at the component level.
      • RESTART_COUNT: Represents restart count for a given container instance. Only applicable at the component level.
      • DEPLOYMENT_FAILED: Represents whether a deployment has failed. Only applicable at the app level.
      • DEPLOYMENT_LIVE: Represents whether a deployment has succeeded. Only applicable at the app level.
      • DOMAIN_FAILED: Represents whether a domain configuration has failed. Only applicable at the app level.
      • DOMAIN_LIVE: Represents whether a domain configuration has succeeded. Only applicable at the app level.
      • FUNCTIONS_ACTIVATION_COUNT: Represents an activation count for a given functions instance. Only applicable to functions components.
      • FUNCTIONS_AVERAGE_DURATION_MS: Represents the average duration for function runtimes. Only applicable to functions components.
      • FUNCTIONS_ERROR_RATE_PER_MINUTE: Represents an error rate per minute for a given functions instance. Only applicable to functions components.
      • FUNCTIONS_AVERAGE_WAIT_TIME_MS: Represents the average wait time for functions. Only applicable to functions components.
      • FUNCTIONS_ERROR_COUNT: Represents an error count for a given functions instance. Only applicable to functions components.
      • FUNCTIONS_GB_RATE_PER_SECOND: Represents the rate of memory consumption (GB x seconds) for functions. Only applicable to functions components.
    • disabled
      Boolean. Determines whether or not the alert is disabled.
    • operator
      String. Can be GREATER_THAN, or LESS_THAN
    • value
      Number. The meaning is dependent upon the rule. It is used in conjunction with the operator and window to determine when an alert should trigger.
    • window
      String. Can be FIVE_MINUTES, TEN_MINUTES, THIRTY_MINUTES, or ONE_HOUR
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