publish-image.yaml

name: Build and Publish Image

on:
  workflow_dispatch:
  push:
    branches:
      - main

jobs:
  build:
    name: Build and Publish Image
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      - name: Set image name with branch
        run: |
          echo "BRANCH=${GITHUB_REF#refs/heads/}" >> $GITHUB_ENV
          echo "IMAGE_NAME=ghcr.io/${{ github.repository }}" >> $GITHUB_ENV
      - name: Log in to the Container Registry
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and Push Docker Image
        uses: docker/build-push-action@v2
        with:
          context: .
          push: true
          tags: ${{ env.IMAGE_NAME }}:${{ env.BRANCH }},${{ env.IMAGE_NAME }}:latest
          cache-from: type=registry,ref=${{ env.IMAGE_NAME }}:buildcache
          cache-to: type=registry,ref=${{ env.IMAGE_NAME }}:buildcache,mode=max