docker-build.yml

name: Build and Push Docker Image

on:
  push:
    branches:
      - main
    tags:
      - 'v*'

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

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
        contents: read
        packages: write

    steps:
    - name: Check out the code
      uses: actions/checkout@v3

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2

    - name: Login to GitHub Container Registry
      uses: docker/login-action@v2 
      with:
        registry: ${{ env.REGISTRY }}
        username: ${{ github.repository_owner }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Extract metadata (tags, labels) for Docker (tag)
      id: meta-tag
      if: github.ref_type == 'tag'
      uses: docker/metadata-action@v5
      with:
        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
        tags: |
          type=semver,pattern=v{{version}}
          type=semver,pattern=v{{major}}.{{minor}}
          type=semver,pattern=v{{major}}

    - name: Extract metadata (tags, labels) for Docker (branch)
      id: meta-branch
      if: github.ref_type == 'branch'
      uses: docker/metadata-action@v5
      with:
        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
        tags: |
          type=ref,event=branch
          type=sha,prefix={{branch}}-{{date 'YYYYMMDDHHmmss'}}-

    - name: Build and Push Docker Image (tag)
      if: github.ref_type == 'tag'
      uses: docker/build-push-action@v5
      with:
        context: .
        push: true
        tags: ${{ steps.meta-tag.outputs.tags }}
        labels: ${{ steps.meta-tag.outputs.labels }}

    - name: Build and Push Docker Image (branch)
      if: github.ref_type == 'branch'
      uses: docker/build-push-action@v5
      with:
        context: .
        push: true
        tags: ${{ steps.meta-branch.outputs.tags }}
        labels: ${{ steps.meta-branch.outputs.labels }}