build-container.yaml

name: Building and publishing container
on:
  push:
    branches:
      - master
    tags:
      - "v*.*.*"
  workflow_dispatch:

jobs:
  build_and_publish:
    runs-on: ubuntu-latest
    steps:
      - name: Prepare
        id: prep
        run: |
          DOCKER_IMAGE=openwpm/openwpm
          TAGS="${DOCKER_IMAGE}:${GITHUB_SHA}"
          # If it's a tagged build it should get published as such
          if [[ $GITHUB_REF == refs/tags/v* ]]; then
            VERSION=${GITHUB_REF#refs/tags/v}
            TAGS="$TAGS,${DOCKER_IMAGE}:$VERSION"
          fi
          # If it is on master it should get tagged as latest
          if [[ $GITHUB_REF == refs/heads/master ]]; then
              TAGS="$TAGS,${DOCKER_IMAGE}:latest"
          fi
          echo tags="${TAGS}" >> "$GITHUB_OUTPUT"

      - name: Checkout
        uses: actions/checkout@v4
      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v3
      - name: Cache Docker layers
        uses: actions/cache@v4
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-
      - name: Log into Dockerhub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USER_NAME }}
          password: ${{ secrets.DOCKERHUB_USER_PASSWORD }}
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v6
        with:
          context: ./
          file: ./Dockerfile
          builder: ${{ steps.buildx.outputs.name }}
          push: true
          tags: ${{ steps.prep.outputs.tags }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache
      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}