backend.yml

name: Backend

on:
  push:
    paths:
      - backend/**
      - .github/workflows/backend.yml
    branches: ['main']
  pull_request:
    paths:
      - backend/**
      - .github/workflows/backend.yml
    branches: ['main']

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: [1.21.x]
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version: ${{ matrix.go-version }}
      - name: Cache Go Modules
        uses: actions/cache@v3
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-
      - name: 'Create env file'
        run: |
          touch .env
          cat .env

      - name: Install Linters
        run: |
          cd backend
          go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest

      - name: Lint Go code
        run: make backend-lint
  test:
    name: Test
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: [1.21.x]
    container: node:latest

    services:
      postgres:
        image: postgres:14.1-alpine
        env:
          POSTGRES_PASSWORD: pwd
          POSTGRES_USER: user
          POSTGRES_DB: algo
        ports:
          - 5432:5432
        options: >-
          --health-cmd pg_isready --health-interval 10s --health-timeout 5s
          --health-retries 5
    steps:
      - name: Install PostgreSQL client
        run: |
          apt-get update
          apt-get install --yes postgresql-client
      - name: Check out repository code
        uses: actions/checkout@v4
      - name: 'Create env file'
        run: |
          touch .env
          cat .env
      - name: Import DB seed data
        run: |
          for file in $(ls -1 ./ | sort); do
            psql -d postgresql://user:pwd@172.17.0.1:5432/algo -f "$file"
          done
        working-directory: ./backend/src/db/migrations/

      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version: ${{ matrix.go-version }}
      - name: Cache Go Modules
        uses: actions/cache@v3
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-
      - name: Install Dependencies
        run: make backend-dep
      - name: Run Go tests
        run: |
          make backend-test
  format:
    name: Format
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: [1.21.x]
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: 'Create env file'
        run: |
          touch .env
          cat .env
      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version: ${{ matrix.go-version }}

      - name: Cache Go Modules
        uses: actions/cache@v3
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-
      - name: Format Go Code
        run: |
          make backend-format
  build:
    name: Build
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: [1.21.x]
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: 'Create env file'
        run: |
          touch .env
          cat .env

      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version: ${{ matrix.go-version }}

      - name: Cache Go Modules
        uses: actions/cache@v3
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Build Go app
        run: |
          cd backend 
          go build -v