container_build.yml

name: Create and publish a Docker image

# Configure this workflow to run every time a change is pushed to the main
# branch or any branch whose name starts with `release/` or any time a tag is
# created; this workflow is also run any time a GitHub release is published.
# The image will be given a tag which is based on the trigger.
on:
  push:
    branches: [main, 'release/**']
    tags: ['*']
  release:
    types: [published]

# Set up the container image specification to be `quay.io/pbench/file-relay`.
env:
  REGISTRY: quay.io
  ORGANIZATION: pbench
  IMAGE_NAME: file-relay

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest

    # Set 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

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ secrets.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_ROBOT_TOKEN }}

      # Extract metadata from the Git reference and the GitHub event.
      # Subsequent steps can reference the values via `steps.meta.outputs.<key>`.
      # The `images` value provides the name for the container image which is
      # used in tags and labels.
      - name: Extract metadata (tags, labels) from Git for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.ORGANIZATION }}/${{ env.IMAGE_NAME }}

      # Build the container image based on the Dockerfile and the rest of the
      # files found in the root of the Git checkout.  If the build succeeds,
      # the image is pushed to the registry indicated by the tags.
      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: Dockerfile
          network: host
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}