docker-build.yml

name: Docker Build and Push

on:
  workflow_dispatch:
    inputs:
      environment:
        description: 'Environment to deploy to'
        required: true
        type: choice
        options:
          - dev
          - staging
      tag_suffix:
        description: 'Additional tag suffix (optional)'
        required: false
        type: string

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

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

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

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

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Generate tags
        id: tags
        run: |
          BRANCH_NAME=${GITHUB_REF#refs/heads/}
          SHA_SHORT=$(git rev-parse --short HEAD)
          TIMESTAMP=$(date +%Y%m%d-%H%M%S)

          # Base tags
          TAGS="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.event.inputs.environment }}"
          TAGS="${TAGS},${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${BRANCH_NAME}-${SHA_SHORT}"
          TAGS="${TAGS},${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${BRANCH_NAME}-${{ github.event.inputs.environment }}"

          # Add timestamp tag
          TAGS="${TAGS},${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${BRANCH_NAME}-${TIMESTAMP}"

          # Add custom suffix if provided
          if [ -n "${{ github.event.inputs.tag_suffix }}" ]; then
            TAGS="${TAGS},${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.event.inputs.environment }}-${{ github.event.inputs.tag_suffix }}"
          fi

          echo "tags=${TAGS}" >> $GITHUB_OUTPUT

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: Dockerfile.prod
          push: true
          tags: ${{ steps.tags.outputs.tags }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Print image tags
        run: |
          echo "Image was built and pushed with the following tags:"
          echo "${{ steps.tags.outputs.tags }}" | tr ',' '\n'