docker-publish.yml

name: Docker

on:
  push:
    # Publish `main` as Docker `latest` image.
    branches: [main, playtest/*]

env:
  IMAGE_NAME: edwardcarmack/gearforce-web

jobs:
  # Push image to GitHub Packages.
  # See also https://docs.docker.com/docker-hub/builds/
  build:
    runs-on: ubuntu-latest
    if: github.event_name == 'push'
    outputs:
      IMAGE_TAGS: ${{ steps.gather-variables.outputs.IMAGE_TAGS }}
      SHA: ${{ steps.gather-variables.outputs.SHA }}

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

      - name: "Gather variables"
        id: gather-variables
        run: |
          # Strip git ref prefix from version
          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')

          # Strip "v" prefix from tag name
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')

          # Use Docker `latest` tag convention
          [ "$VERSION" == "main" ] && VERSION=latest

          SHA=$(echo "${{ github.sha }}" | cut -c1-7)
          echo "SHA=$SHA" >> "$GITHUB_OUTPUT"

          IMAGE_TAGS="$IMAGE_NAME:$VERSION,$IMAGE_NAME:$SHA"
          echo "IMAGE_TAGS=$IMAGE_TAGS" >> "$GITHUB_OUTPUT"

      # Set up Flutter.
      - name: Clone Flutter repository with stable channel
        uses: subosito/flutter-action@v2
        with:
          channel: stable
      - run: flutter doctor -v

      # Checkout code and get packages.
      - name: Checkout code
        uses: actions/checkout@v4
      - run: flutter pub get

      # Analyze, check formatting, and run unit tests.
      - run: flutter analyze
      - name: Ensure the Dart code is formatted correctly
        run: dart format --set-exit-if-changed  .
      - name: Run Flutter unit tests
        run: flutter test

      - name: Build Flutter web
        run: flutter build web --release

      - name: "Set up QEMU"
        uses: docker/setup-qemu-action@v3

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

      - name: "Log into DockerHub"
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: "Build and push"
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          target: release
          tags: ${{ steps.gather-variables.outputs.IMAGE_TAGS }}

  deploy:
    runs-on: ubuntu-latest
    needs: build
    if: github.event_name == 'push'

    steps:
      - name: "Checkout"
        uses: actions/checkout@v4
        
      - name: Kubernetes set context
        uses: Azure/k8s-set-context@v4
        with:
          method: kubeconfig
          kubeconfig: ${{ secrets.KUBE_CONFIG }}

      - name: Deploy latest main to the linode cluster
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        run: |
          helm upgrade -n gearforce --install --set image.tag=${{ needs.build.outputs.SHA }} --set replicaCount=2 ${{ secrets.HELM_RELEASE_NAME }} chart/gearforce

      - name: Deploy to playtest on the linode cluster
        if: github.event_name == 'push' && github.ref == 'refs/heads/playtest/nj'
        run: |
          helm upgrade -n playtest --install --set image.tag=${{ needs.build.outputs.SHA }} --set replicaCount=1 gfpt1 chart/gearforce