publish-image-to-ghcr.yml

name: Build and Push Image to GHCR

on:
  push:
    branches: main

env:
  IMAGE_NAME: keycloak-ssi-deployment

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write

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

      - name: Set up Docker Buildx
        id: builder
        uses: docker/setup-buildx-action@v1
        with:
          install: true
          driver: docker-container
          driver-opts: image=moby/buildkit:latest

      - name: Cache Docker layers
        uses: actions/cache@v3
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}-${{ github.ref_name }}
          restore-keys: |
            ${{ runner.os }}-buildx-${{ github.ref_name }}

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build Docker image and push to GHCR
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          builder: ${{ steps.builder.outputs.name }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:latest
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache