build.yaml

---
name: Build and Push Container

on:
  push:
    branches:
      - main
    paths-ignore:
      - "**/*.md"
  pull_request:
    branches:
      - main
    paths-ignore:
      - "**/*.md"

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      packages: write

    steps:
      - uses: actions/checkout@v3

      - uses: actions/setup-go@v3

      # required for GitHub caching
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to Container Registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Determine Image Tags
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          sep-tags: ","
          flavor: |
            latest=false
          tags: |
            type=ref,event=pr
            type=sha,enable=${{ github.event_name == 'push' }},prefix=${{ github.event.repository.default_branch }}-${{ github.run_number }}-

      - name: Build and Push
        uses: docker/build-push-action@v3
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          cache-from: type=gha
          cache-to: type=gha,mode=max