reusable-deploy-backend-server.yml

# This workflow will build and push a new container image to Amazon ECR,
# and then will deploy a new task definition to Amazon ECS, when there is a push to the main branch.

name: Resuable Deployer for GitPOAP Backend

on:
  workflow_call:
    inputs:
      ECR_REPOSITORY:
        required: true
        type: string
      ECS_SERVICE:
        required: true
        type: string
      ECS_CLUSTER:
        required: true
        type: string
      CONTAINER_NAME:
        required: true
        type: string
      deploy_environment:
        required: true
        type: string
      task_definition_tag:
        required: true
        type: string
      login_redirect_url:
        required: true
        type: string
      discord_redirect_url:
        required: true
        type: string
    secrets:
      AWS_ACCESS_KEY_ID:
        required: true
      AWS_SECRET_ACCESS_KEY:
        required: true

env:
  AWS_REGION: us-east-2

jobs:
  deploy:
    name: Deploy ${{ inputs.deploy_environment }}
    runs-on: ubuntu-latest
    environment: ${{ inputs.deploy_environment }}

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v2
        with:
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          aws-region: ${{ env.AWS_REGION }}

      - name: Apply any waiting DB migrations
        id: db-migrate
        uses: gagoar/invoke-aws-lambda@master
        with:
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          REGION: ${{ env.AWS_REGION }}
          FunctionName: gitpoap-migration${{ inputs.task_definition_tag }}-lambda
          LogType: Tail

      - name: Login to Amazon ECR
        id: login-ecr
        uses: aws-actions/amazon-ecr-login@v1

      - name: Build, tag, and push image to Amazon ECR
        id: build-image
        env:
          ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
          IMAGE_TAG: ${{ github.sha }}
        run: |
          # Build a docker container and
          # push it to ECR so that it can
          # be deployed to ECS.
          docker build -t $ECR_REGISTRY/${{ inputs.ECR_REPOSITORY }}:$IMAGE_TAG -f aws/server.Dockerfile .
          docker push $ECR_REGISTRY/${{ inputs.ECR_REPOSITORY }}:$IMAGE_TAG
          echo "::set-output name=image::$ECR_REGISTRY/${{ inputs.ECR_REPOSITORY }}:$IMAGE_TAG"

      - name: Install jinja-cli
        run: pip3 install jinja-cli

      - name: Create task-definition.json for this stage
        run: |
          cat > defs.json <<EOF
          {
            "task_definition_tag": "${{ inputs.task_definition_tag }}",
            "aws_region": "${{ env.AWS_REGION }}",
            "deploy_environment": "${{ inputs.deploy_environment }}",
            "login_redirect_url": "${{ inputs.login_redirect_url }}",
            "discord_redirect_url": "${{ inputs.discord_redirect_url }}"
          }
          EOF
          jinja -d defs.json aws/server.task-definition.json.j2 > aws/server.task-definition.json

      - name: Fill in the new image ID in the Amazon ECS task definition
        id: task-def
        uses: aws-actions/amazon-ecs-render-task-definition@v1
        with:
          task-definition: aws/server.task-definition.json
          container-name: ${{ inputs.CONTAINER_NAME }}
          image: ${{ steps.build-image.outputs.image }}

      - name: Deploy Amazon ECS task definition
        uses: aws-actions/amazon-ecs-deploy-task-definition@v1
        with:
          task-definition: ${{ steps.task-def.outputs.task-definition }}
          service: ${{ inputs.ECS_SERVICE }}
          cluster: ${{ inputs.ECS_CLUSTER }}
          wait-for-service-stability: true