echo_image_release.yml

name: Build and push http-echo image
on:
  push:
    tags:
      - "v*"
jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    env:
      DOCKER_PLATFORMS: linux/amd64,linux/arm64
      DOCKER_IMAGE: ghcr.io/${{ github.repository_owner }}/http-echo
    steps:
      - name: Check out repo
        uses: actions/checkout@v4

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Extract version from tag
        id: version
        run: |
          echo "VERSION=$(echo $GITHUB_REF_NAME | sed 's/^v//')" >> $GITHUB_OUTPUT

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: ci/http-echo
          platforms: ${{ env.DOCKER_PLATFORMS }}
          push: true
          tags: |
            ${{ env.DOCKER_IMAGE }}:${{ steps.version.outputs.VERSION }}
            ${{ env.DOCKER_IMAGE }}:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max