name: create-branch-images

on:
  workflow_call:
  workflow_dispatch:
  push:
    branches:
      - 'main'
      - 'dev'
      - 'releases/**'

jobs:
  backend:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ghcr.io/${{ github.repository }}/backend
          tags: |
            type=schedule
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
      - name: Build Docker image
        id: build
        uses: docker/build-push-action@v3
        with:
          context: ./server
          dockerfile: ./server/Dockerfile
          push: false
          platforms: linux/amd64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
      - name: Get current image digest
        id: current_digest
        run: echo "digest=$(docker inspect --format='{{index .RepoDigests 0}}' ghcr.io/${{ github.repository }}/backend:$(echo ${{ steps.meta.outputs.tags }} | cut -d',' -f1) | cut -d'@' -f2)" >> $GITHUB_ENV
      - name: Get existing image digest
        id: existing_digest
        run: |
          existing_digest=$(skopeo inspect docker://ghcr.io/${{ github.repository }}/backend:$(echo ${{ steps.meta.outputs.tags }} | cut -d',' -f1) | jq -r .Digest)
          echo "existing_digest=$existing_digest" >> $GITHUB_ENV
      - name: Compare digests and push if different
        if: env.digest != env.existing_digest
        uses: docker/build-push-action@v3
        with:
          context: ./server
          dockerfile: ./server/Dockerfile
          push: true
          platforms: linux/amd64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  frontend:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ghcr.io/${{ github.repository }}/frontend
          tags: |
            type=schedule
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
      - name: Build Docker image
        id: build
        uses: docker/build-push-action@v3
        with:
          context: ./client
          dockerfile: ./client/Dockerfile
          push: false
          platforms: linux/amd64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
      - name: Get current image digest
        id: current_digest
        run: echo "digest=$(docker inspect --format='{{index .RepoDigests 0}}' ghcr.io/${{ github.repository }}/frontend:$(echo ${{ steps.meta.outputs.tags }} | cut -d',' -f1) | cut -d'@' -f2)" >> $GITHUB_ENV
      - name: Get existing image digest
        id: existing_digest
        run: |
          existing_digest=$(skopeo inspect docker://ghcr.io/${{ github.repository }}/frontend:$(echo ${{ steps.meta.outputs.tags }} | cut -d',' -f1) | jq -r .Digest)
          echo "existing_digest=$existing_digest" >> $GITHUB_ENV
      - name: Compare digests and push if different
        if: env.digest != env.existing_digest
        uses: docker/build-push-action@v3
        with:
          context: ./client
          dockerfile: ./client/Dockerfile
          push: true
          platforms: linux/amd64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  router:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ghcr.io/${{ github.repository }}/router
          tags: |
            type=schedule
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
      - name: Build Docker image
        id: build
        uses: docker/build-push-action@v3
        with:
          context: ./nginx
          dockerfile: ./nginx/Dockerfile
          push: false
          platforms: linux/amd64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
      - name: Get current image digest
        id: current_digest
        run: echo "digest=$(docker inspect --format='{{index .RepoDigests 0}}' ghcr.io/${{ github.repository }}/router:$(echo ${{ steps.meta.outputs.tags }} | cut -d',' -f1) | cut -d'@' -f2)" >> $GITHUB_ENV
      - name: Get existing image digest
        id: existing_digest
        run: |
          existing_digest=$(skopeo inspect docker://ghcr.io/${{ github.repository }}/router:$(echo ${{ steps.meta.outputs.tags }} | cut -d',' -f1) | jq -r .Digest)
          echo "existing_digest=$existing_digest" >> $GITHUB_ENV
      - name: Compare digests and push if different
        if: env.digest != env.existing_digest
        uses: docker/build-push-action@v3
        with:
          context: ./nginx
          dockerfile: ./nginx/Dockerfile
          push: true
          platforms: linux/amd64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max