main.yml

name: Docker Image CI

on:
  push:
    branches:
      - 'main'
      - 'master'
      - 'trunk'
    tags:
      - 'v*'
  pull_request:
    branches:
      - 'main'
      - 'master'
      - 'trunk'
  workflow_dispatch:

jobs:
  docker:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ vars.DOCKERHUB_TEMPLATE }}

      - name: Login to DockerHub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}, ${{ vars.DOCKERHUB_TEMPLATE }}:latest
          labels: ${{ steps.meta.outputs.labels }}