docker.yml

name: Build

on: [push, pull_request]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      # For multi-platform builds
      # https://github.com/docker/build-push-action/blob/master/docs/advanced/multi-platform.md
      - uses: docker/setup-qemu-action@v1
      - uses: docker/setup-buildx-action@v1

      - name: Initialize
        id: init
        run: |
          # Determine whether to push to Docker Hub based on the event type
          case "${{ github.event_name }}" in
            push)
              DOCKER_PUSH=true ;;
            *)
              DOCKER_PUSH=false ;;
          esac

          # Map git ref branch or tag name to Docker tag version
          case "${{ github.ref }}" in
            # Do not push upstream branches and tags to Docker Hub
            refs/heads/upstream/*|refs/tags/upstream/*)
              DOCKER_PUSH=false ;;
            # Do not push pull request branches
            refs/pulls/*)
              DOCKER_PUSH=false ;;
          esac

          echo ::set-output name=docker_push::$DOCKER_PUSH
          echo ::set-output name=docker_repo::whoi/$(basename "${{ github.repository }}" | tr A-Z a-z)
          echo ::set-output name=docker_platforms::linux/amd64,linux/arm64

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ steps.init.outputs.docker_repo }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=ref,event=branch
            type=ref,event=tag
            type=ref,event=pr
            type=sha

      - name: Log into registry
        if: steps.init.outputs.docker_push == 'true'
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_HUB_USER }}
          password: ${{ secrets.DOCKER_HUB_TOKEN }}

      # Enable Docker layer caching in the GitHub Actions cache.
      #
      # https://evilmartians.com/chronicles/build-images-on-github-actions-with-docker-layer-caching
      - name: Cache Docker layers
        uses: actions/cache@v3
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-multi-buildx-${{ github.sha }}
          restore-keys: ${{ runner.os }}-multi-buildx

      - name: Build the Docker image for native
        uses: docker/build-push-action@v2
        with:
          context: .
          load: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

          # These are still used by the /version API
          build-args: |
            GIT_SOURCE=${{ steps.init.outputs.git_source }}
            GIT_REVISION=${{ steps.init.outputs.git_revision }}

          cache-from: |
            type=local,src=/tmp/.buildx-cache
            type=registry,ref=${{ steps.init.outputs.docker_repo }}:buildcache
          cache-to: |
            type=local,dest=/tmp/.buildx-cache-new,mode=max

      - name: Tag latest for CI testing
        run: |
          docker tag \
            ${{ fromJSON(steps.meta.outputs.json).tags[0] }} \
            ${{ steps.init.outputs.docker_repo }}

      - name: Run test suite
        run: docker compose run sealog-server npm run start-test

      - name: Run server and Postman tests
        run: |
          docker compose up -d
          sleep 10
          curl http://localhost:8000/sealog-server > /tmp/banner.txt
          grep "Welcome to sealog-server\!" /tmp/banner.txt

          # Install Newman for running Postman tests
          npm install -g newman

          # Run Postman tests
          newman run "integration-tests/api_tests.postman_collection.json"

          docker compose down

      # Because `docker buildx build` cannot have multiple cache export targets
      # yet, we build and push separately.
      #
      # During the build step (above), we update the GitHub Actions cache. Then
      # we use this cache to rebuild, pushing both the image and the cache up to
      # the registry.
      - name: Push
        if: steps.init.outputs.docker_push == 'true'
        uses: docker/build-push-action@v2
        with:
          context: .
          platforms: ${{ steps.init.outputs.docker_platforms }}
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

          # These are still used by the /version API
          build-args: |
            GIT_SOURCE=${{ steps.init.outputs.git_source }}
            GIT_REVISION=${{ steps.init.outputs.git_revision }}

          cache-from: |
            type=local,src=/tmp/.buildx-cache-new
          cache-to: |
            type=registry,ref=${{ steps.init.outputs.docker_repo }}:buildcache,mode=max

      - name: Update cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache