container-image.yml

name: Build and Deploy Container Image

on:
  push:
    branches:
      - main
  pull_request:

concurrency:
  group: ${{ github.repository }}-${{ github.ref_name }}
  cancel-in-progress: true

permissions:
  contents: read
  packages: write

env:
  IMAGE_NAME: ${{ github.event.repository.name }}
  GHCR_USERNAME: ${{ github.repository_owner }}
  GHCR_TOKEN: ${{ secrets.GITHUB_TOKEN }}

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          # list of Docker images to use as base name for tags
          images: |
            ghcr.io/${{ env.GHCR_USERNAME }}/${{ env.IMAGE_NAME }}
          # generate Docker tags based on the following events/attributes
          tags: |
            type=schedule
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=sha

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

      - name: Login to GHCR
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ env.GHCR_USERNAME }}
          password: ${{ env.GHCR_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max