deploy-librelinkup-to-gluwave.yml

name: build-librelinkup-to-gluwave-docker-image # Name of the GitHub Actions workflow

on:
  push:
    tags:
      - librelinkup-to-gluwave-v* # Trigger workflow on push events with tags that match "gluwave-v*"

env:
  REGISTRY: ghcr.io # Define the container registry
  IMAGE_NAME: ${{ github.repository_owner }}/librelinkup-to-gluwave # Define the image name

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest # Run the job on the latest Ubuntu runner
    permissions:
      contents: read # Read access to repository contents
      packages: write # Write access to GitHub packages

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3 # Checkout the repository code

      - name: Log in to the Container registry
        uses: docker/login-action@v2 # Log in to the Docker registry
        with:
          registry: ${{ env.REGISTRY }} # Use the registry defined in env
          username: ${{ github.actor }} # Use the GitHub actor (user) for login
          password: ${{ secrets.PERSONAL_ACCESS_TOKEN }} # Use a personal access token (PAT) from secrets

      - name: Extract metadata (tags, labels) for Docker
        id: meta # Set an ID for this step to reference outputs
        uses: docker/metadata-action@v4 # Use Docker metadata action to generate tags and labels
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} # Define the image name with registry
          # Generate semantic versioning tags
          tags: |
            type=match,pattern=librelinkup-to-gluwave-v(\d+\.\d+\.\d+),group=1
      - name: Build and push Docker image
        uses: docker/build-push-action@v4 # Use Docker action to build and push the image
        with:
          context: ./librelinkup-to-gluwave # Set the build context directory
          push: true # Push the image to the registry
          tags: ${{ steps.meta.outputs.tags }} # Use tags generated from the metadata step
          labels: ${{ steps.meta.outputs.labels }} # Use labels generated from the metadata step