deploy.yml

name: Publish
run-name: Publish - ${{ github.head_ref || github.ref_name }} to ${{ inputs.environment || 'all' }} by @${{ github.actor }}

on:
  push:
    branches: [main]
  workflow_dispatch:
    inputs:
      environment:
        type: environment
        description: The environment to deploy to.

jobs:
  detect-environments:
    runs-on: ubuntu-latest
    outputs:
      environments: ${{ steps.environments.outputs.result }}
    steps:
      - uses: actions/github-script@v6
        id: environments
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          result-encoding: json
          script: |
            if (context.payload?.inputs?.environment) return [context.payload?.inputs?.environment];
            const {data: {environments}} =
              await github.request(`GET /repos/${process.env.GITHUB_REPOSITORY}/environments`);
            return environments.map(e => e.name)

  build-and-publish:
    runs-on: ubuntu-latest
    env:
      DOCKER_REPO: ${{ secrets.DEPLOY_DOCKER_REPOSITORY }}
    needs: [detect-environments]
    strategy:
      matrix:
        environment: ${{ fromJSON(needs.detect-environments.outputs.environments) }}
    environment: ${{ matrix.environment }}
    steps:
      - uses: actions/checkout@v4

      - id: vars
        run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT

      - uses: aws-actions/configure-aws-credentials@v1-node16
        with:
          aws-access-key-id: ${{ secrets.DEPLOY_AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.DEPLOY_AWS_SECRET_ACCESS_KEY }}
          aws-region: eu-west-2

      - uses: aws-actions/amazon-ecr-login@v1

      - run: docker pull $DOCKER_REPO:latest || echo "no current latest image"

      - run: docker build -t $DOCKER_REPO:${{ steps.vars.outputs.sha_short }} .

      - run: docker tag $DOCKER_REPO:${{ steps.vars.outputs.sha_short }} $DOCKER_REPO:latest

      - run: docker push $DOCKER_REPO:${{ steps.vars.outputs.sha_short }}

      - run: docker push $DOCKER_REPO:latest