name: Backend CI

on:
  push:
    paths:
      - '.github/workflows/**'
      - 'backend/**'
      - '!frontend/**'

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2

    - name: Build telemetry executables (in debug mode)
      working-directory: ./backend
      run: cargo build --bins --verbose

    - name: Run tests
      working-directory: ./backend
      run: cargo test --verbose

    - name: Build, release and call telemetry executable
      working-directory: ./backend
      run: cargo run --bin telemetry_core --release -- --help

    - name: Build, release and call shard executable
      working-directory: ./backend
      run: cargo run --bin telemetry_shard --release -- --help

    - name: Login to Dockerhub
      uses: docker/login-action@v1
      with:
        username: ${{ secrets.DOCKER_USERNAME }}
        password: ${{ secrets.DOCKER_PASSWORD }}

    - name: Build and push template image for tagged commit
      uses: docker/build-push-action@v2 # https://github.com/docker/build-push-action
      with:
        context: './backend'
        push: ${{ startsWith(github.ref, 'refs/tags/') }}
        tags: parity/substrate-telemetry-backend:latest
        # add_git_labels: true