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GitHub Action: deploy-ecspresso

Deploy on ECS with Escpresso

Introduction​

This is template repository to create composite GitHub Actions. Feel free to use it as reference and starting point.

Usage​

  name: Pull Request
  on:
    push:
      branches: [ 'main' ]

  jobs:
    context:
      runs-on: ubuntu-latest
      steps:
        - name: Example action
          uses: cloudposse/example-github-action-deploy-ecspresso@main
          id: example
          with:
            image: 1111111111111.dkr.ecr.us-east-2.amazonaws.com/cloudposse/example-app-on-ecs
            image-tag: latest
            region: us-east-2
            operation: deploy
            cluster: acme-plat-ue2-sandbox
            application: acme-plat-ue2-sandbox-example-app-on-ecs
            taskdef-path: taskdef.json

      outputs:
        result: ${{ steps.example.outputs.webapp-url }}

S3 Mirroring​

This action supports synchronizing taskDefinitions to S3. It is designed to work in concert with Cloud Posse's ecs-service component, that will upload a task definition template to S3. This action will then pull that template from S3 and merge it with the local task definition from the repository. Finally, ecspresso will be called to deploy the merged task definition to ECS.

This action will then upload the task-definition.json that was rendered back to S3. The ecs-service component will use the task-definition.json file to deploy the application. This ensures future infrastructure deployments do not override application changes, such as image updates, environment variable changes, etc.

The Infrastructure repository then manages things like Volumes and EFS mounts, and the Application repository manages the application code and environment variables.

S3 Mirroring