name: Create release and push production server image to dockerhub
on:
  push:
    branches:
      - main
jobs:
  Build-docker-and-push:
    name: Build the production docker container image and push it to dockerhub
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
      - uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - uses: docker/build-push-action@v5
        with:
          push: true
          context: .
          file: ./docker/prod/Dockerfile
          tags: ${{ secrets.DOCKERHUB_USERNAME }}/pico-web-server:latest

  Release:
    name: Make github release
    runs-on: ubuntu-latest
    needs: Build-docker-and-push
    steps:
      - uses: actions/checkout@v4
      - uses: rymndhng/release-on-push-action@master
        env:
          GITHUB_TOKEN: ${{ secrets.TOKEN_GITHUB }}
        with:
          bump_version_scheme: norelease # PR must have one of these labels: release:major, release:minor, release:patch

  # This emulates deploying to an actual (remote) cluster by first setting up the cluster on older commit and then rolling out current one
  Deploy-kubernetes:
    name: Deploy kubernetes cluster locally to an action
    runs-on: ubuntu-latest
    needs: Build-docker-and-push
    steps:
      # Setup dependencies
      - name: Install socat
        run: sudo apt-get install -y socat
      - uses: medyagh/setup-minikube@master
      - uses: actions/checkout@v2
        with:
          fetch-depth: 2
      - name: Pull (release) docker image
        run: |
          docker pull ${{ secrets.DOCKERHUB_USERNAME }}/pico-web-server:latest
      - name: Configure demo data
        run: |
          minikube cp ./demo/index.md /usr/share/demo/

      # Setup old deployment
      - name: Checkout previous commit
        run: |
          git checkout HEAD^
      # Deploy previous version
      - name: Minikube deploy
        run: |
          kubectl apply -f kubernetes/
          kubectl rollout status deployment/pico-web-server-deployment
      - name: Using cluster
        run: |
          kubectl get all
          echo -ne 'demo@/' | socat STDIO TCP:$(minikube service pico-web-server-service --url | cut -d/ -f3-)

      # Setup current deployment
      - name: Checkout current
        run: |
          git checkout main
      # Deploy current version
      - name: Minikube deploy
        run: |
          kubectl apply -f kubernetes/
          kubectl rollout status deployment/pico-web-server-deployment
      - name: Using cluster
        run: |
          kubectl get all
          echo -ne 'demo@/' | socat STDIO TCP:$(minikube service pico-web-server-service --url | cut -d/ -f3-)

      # End
      - name: Minikube stop
        run: |
          minikube stop