test-docker.yml

name: Test Docker Support

on:
  workflow_dispatch:
  workflow_call:

jobs:
  test-docker-basics:
    name: Docker Basics
    runs-on: [self-hosted, modal, "job-${{ github.run_id }}-docker-basics"]
    steps:
      - name: Check Docker
        run: |
          docker version
          docker info

      - name: Run a container
        run: |
          docker run --rm hello-world

      - name: Docker build
        run: |
          mkdir -p /tmp/test-build
          cat > /tmp/test-build/Dockerfile <<'EOF'
          FROM alpine:3.19
          RUN echo "build works"
          CMD ["echo", "hello from built image"]
          EOF
          docker build --network=host -t test-image /tmp/test-build
          docker run --rm test-image

  test-services:
    name: Docker Services (Postgres)
    runs-on: [self-hosted, modal, "job-${{ github.run_id }}-docker-services"]
    services:
      postgres:
        image: postgres:16-alpine
        env:
          POSTGRES_USER: test_user
          POSTGRES_PASSWORD: test_password
          POSTGRES_DB: test_db
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432
    steps:
      - name: Install psql
        run: |
          apt-get update && apt-get install -y postgresql-client

      - name: Test Postgres connection
        env:
          PGHOST: localhost
          PGPORT: 5432
          PGUSER: test_user
          PGPASSWORD: test_password
          PGDATABASE: test_db
        run: |
          psql -c "SELECT version();"
          psql -c "CREATE TABLE test (id serial PRIMARY KEY, name varchar(100));"
          psql -c "INSERT INTO test (name) VALUES ('modal-docker-works');"
          psql -c "SELECT * FROM test;"

      - name: Summary
        if: always()
        run: |
          echo "## Docker Services Test" >> "$GITHUB_STEP_SUMMARY"
          echo "- Docker version: $(docker version --format '{{.Server.Version}}' 2>/dev/null || echo 'N/A')" >> "$GITHUB_STEP_SUMMARY"
          echo "- Status: ${{ job.status }}" >> "$GITHUB_STEP_SUMMARY"