test-and-lint.yml

name: Run tests and lint

on:
  # Enable manually triggering this workflow
  workflow_dispatch:
  
  # Run whenever a pull request is opened on any branch
  pull_request:
    branches:
    - "*"

  # Run whenever we push to main
  push:
    branches:
    - "main"

jobs:
  # Job name
  test-and-lint:
  
    # Run on Windows and Linux
    strategy:
      matrix:
        os: [ubuntu-latest]

    # Set which runner to use
    runs-on: ${{ matrix.os }}

    # Define environment
    env:
      EXE_NAME: adder.exe
      IMAGE_TAG: adder-image:latest

    # Define steps for the job
    steps:
    - name: Check out the repo
      uses: actions/checkout@v4

    - name: Setup Go
      uses: actions/setup-go@v5

    - name: Run Go unit tests
      run: go test ./...

    - name: Lint Go code
      uses: golangci/golangci-lint-action@v6

    - name: Check we can build the Go executable
      run: go build -o ${EXE_NAME} cmd/main.go

    - name: Check we can run the Go executable
      run: ./${EXE_NAME} 1 2

    - name: Check we can build the Docker image
      uses: docker/build-push-action@v3
      with:
        push: false
        tags: ${{ env.IMAGE_TAG }}
        build-args: "GO_VERSION=${{ vars.GO_VERSION }}"

    - name: Check we can run the Docker image
      run: docker run ${IMAGE_TAG} 3 4