image.yml

name: Container Image

on:
  push:
    branches: [main]
    tags: ["*.*.*"]
  pull_request:
    branches: [main]
  workflow_dispatch:

jobs:
  build-and-push-image:
    name: Build and publish a container image
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/${{ github.repository }}
          tags: |
            type=schedule
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=ref,event=branch
            type=ref,event=pr
            type=sha
      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          cache-from: type=gha
          cache-to: type=gha,mode=max
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}