build-runner.yaml

name: Build and push runner image

on:
  push:
    branches:
      - "main"
    paths:
      - "docker/runner.Dockerfile"
      - "docker/runner.Dockerfile.dockerignore"
      - ".github/workflows/build-runner.yaml"
  pull_request:
    paths:
      - "docker/runner.Dockerfile"
      - "docker/runner.Dockerfile.dockerignore"
      - ".github/workflows/build-runner.yaml"
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  push_to_registry:
    name: Build and push runner image
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4

      - name: "🔧 Login to GitHub Container Registry"
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: "Copy requirements.txt"
        run: cp requirements.txt docker
        shell: bash

      - name: Build and push Docker image
        uses: docker/build-push-action@1a162644f9a7e87d8f4b053101d1d9a712edc18c
        with:
          context: ./docker
          file: ./docker/runner.Dockerfile
          push: ${{ github.ref == 'refs/heads/main' }}
          tags: ghcr.io/dfinity/dre/actions-runner:${{ github.sha }}