GitHub Actions + Docker

# .github/workflows/docker.yml
name: Build & Push
on:
  push:
    branches: [main]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Login to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: {{ github.actor }}
          password: {{ secrets.GITHUB_TOKEN }}

      - name: Build & Push
        uses: docker/build-push-action@v5
        with:
          push: true
          tags: ghcr.io/{{ github.repository }}}:latest