main.yml

name: webrtc-media-server

on:
  push:
    branches:
      - main
    tags:
      - v*.*.*
  pull_request:
    branches:
      - main

env:
  # Use docker.io for Docker Hub if empty
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}
  # github.branch as <branch>
  IMAGE_TAG: ${{ github.sha }}

jobs:
  lint:
    name: Run linters
    runs-on: ubuntu-latest
    steps:
      - uses: actions/setup-go@v3
        with:
          go-version: 1.17
      - uses: actions/checkout@v3
      - name: golangci-lint
        uses: reviewdog/action-golangci-lint@v2

  test:
    name: Run test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Set up Go
        uses: actions/setup-go@v3
        with:
          go-version: 1.18

      - name: Build
        run: go build -v ./...

      - name: Test
        run:
          go test -v ./...

  build:
    if: github.ref == 'refs/heads/main' || github.event.release.target_commitish == 'main'
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      id-token: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Build image
        run: docker build . --build-arg VERSION="$(git describe --always --tags --dirty)" --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID}"

      - name: Log in to registry
        run: echo "${{ secrets.ACCESS_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin

      - name: Push image
        if: startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main'
        run: |
          IMAGE_ID=ghcr.io/$IMAGE_NAME
          # Change all uppercase to lowercase
          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
          # Strip git ref prefix from version
          VERSION=$IMAGE_TAG
          # Strip "v" prefix from tag name
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
          # Use Docker `latest` tag convention
          [ "${{ github.ref }}" == "refs/heads/main" ] && VERSION=latest
          echo IMAGE_ID=$IMAGE_ID
          echo VERSION=$VERSION
          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
          docker push $IMAGE_ID:$VERSION