docker-publish.yml

name: Docker Publish

on:
  workflow_dispatch:
  push:
    branches:
      - main

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Setup Docker buildx
        id: buildx
        uses: docker/setup-buildx-action@v3
      - name: Log into registry ${{ env.REGISTRY }}
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Downcase DOCKER_REPO
        run: |
          github_repo="${{ github.repository }}"
          echo "DOCKER_REPO=${github_repo,,}" >> "${GITHUB_ENV}"
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.DOCKER_REPO }}
          tags: |
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) }}
            type=ref,event=branch
            type=sha,format=long
      - name: Build and push Docker image
        id: build-and-push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          file: Dockerfile
          target: production
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}