publish-api.yaml

#
name: Create and publish docker images for the API

# Configures this workflow to run every time a change is pushed to the branch called `release`.
on:
  push:
    branches:
      - main
      - dev
    tags:
      - v*
    paths:
        - 'api/**'
  workflow_dispatch:

# Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}-api

# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ["3.8"]
    steps:
      - uses: actions/checkout@v4
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}
          cache: 'pip'
      - name: Install dependencies
        working-directory: ./api
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt
      - name: Run tests
        working-directory: ./api
        run: |
          python3 -m unittest discover -p 'test_*.py'

  build-and-push-image:
    runs-on: ubuntu-latest
    needs: test
    # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
    permissions:
      contents: read
      packages: write
      # 
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      # Uses the `docker/login-action` action to log in to the Container registry registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here.
      - name: Log in to the Container registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      # This step uses [docker/metadata-action](https://github.com/docker/metadata-action#about) to extract tags and labels that will be applied to the specified image. The `id` "meta" allows the output of this step to be referenced in a subsequent step. The `images` value provides the base name for the tags and labels.
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
      # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages.
      # It uses the `context` parameter to define the build's context as the set of files located in the specified path. For more information, see "[Usage](https://github.com/docker/build-push-action#usage)" in the README of the `docker/build-push-action` repository.
      # It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step.
      - name: Build and push Docker image
        uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56
        with:
          context: api
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

  eks-deployment-restart:
    # Run job on branch dev only
    if: github.ref == 'refs/heads/dev'
    runs-on: ubuntu-latest
    needs:  build-and-push-image
    permissions:
      id-token: write   # Required for the OIDC, see https://github.com/aws-actions/configure-aws-credentials?tab=readme-ov-file#OIDC
      contents: read
    steps:
      - name: configure aws credentials
        uses: aws-actions/configure-aws-credentials@v4.0.0
        with:
          audience: sts.amazonaws.com
          role-to-assume: ${{ secrets.DEV_AWS_EKS_ROLE }}
          role-session-name: GitHub_to_AWS_via_FederatedOIDC
          aws-region: ${{ secrets.DEV_AWS_REGION }}

      - name: Configure kubectl for EKS
        run: aws eks update-kubeconfig --name ${{ secrets.DEV_AWS_EKS_CLUSTER }} --region ${{ secrets.DEV_AWS_REGION }}

      - name: Restart Bridge Explorer Deployment
        if: github.ref == 'refs/heads/dev'
        run: |
          kubectl config use-context arn:aws:eks:${{ secrets.DEV_AWS_REGION }}:${{ secrets.DEV_AWS_ACCOUNT_ID }}:cluster/${{ secrets.DEV_AWS_EKS_CLUSTER }}
          kubectl rollout restart deploy/${{ secrets.DEV_AWS_EKS_DEPLOYMENT_API }} -n ${{ secrets.DEV_AWS_EKS_NAMESPACE }}