# Forgejo Action — build + publish Docker image to Forgejo container registry on merge to main
---
name: Docker

on:
  push:
    branches: [main]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  docker:
    runs-on: docker-builder
    steps:
      - uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to Forgejo Container Registry
        uses: docker/login-action@v3
        with:
          registry: forgejo.lorentz.is
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: |
            forgejo.lorentz.is/matt/mailship:${{ github.sha }}
            forgejo.lorentz.is/matt/mailship:latest