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GPP Monorepo

A unified monorepo for local development of the Generic Publication Platform (GPP) services.

Overview

This monorepo consolidates all GPP microservices for easier local development and testing:

Service Description Tech Stack Port
gpp-app (ODPC) Publication Composer - UI for creating publications .NET 8 + Vue 3 62230
publicatiebank (ODRC) Publication Registry - stores publications Django + Celery 8002
woo-hoo LLM Metadata Extraction - AI-powered document analysis FastAPI + Python 8003
openzaak Document Management System Django 8001
nginx Unified reverse proxy nginx 8080

Quick Start

Prerequisites

  • Docker & Docker Compose
  • just command runner (brew install just)
  • Node.js 20+ (for frontend development)
  • .NET 8 SDK (for backend development, optional)
  • uv (for Python/woo-hoo development)

First Time Setup

# 1. Create environment file
cp .env.example .env

# 2. Add your OpenRouter API key to .env (required for woo-hoo)
#    Get one at: https://openrouter.ai

# 3. Build and start everything
just quickstart

# Or step by step:
just build
just up

Daily Development

# Start all services
just up

# Start only dependencies (DB, Redis, OpenZaak, Publicatiebank)
just up-deps

# Check health of all services
just health

# View logs
just logs

# Stop everything
just down

Architecture

┌──────────────────────────────────────────────────────────────────────────────┐
│                           METADATA GENERATION FLOW                            │
└──────────────────────────────────────────────────────────────────────────────┘

┌─────────────┐    ┌─────────────┐    ┌───────────────┐    ┌──────────────┐
│   Browser   │───▶│   gpp-app   │───▶│ publicatiebank│───▶│   OpenZaak   │
│  (Vue.js)   │    │  (.NET 8)   │    │   (Django)    │    │  (DRC API)   │
└─────────────┘    └─────────────┘    └───────────────┘    └──────────────┘
      │                   │                   │                    │
      │                   │                   │                    │
      │                   ▼                   │                    │
      │            ┌─────────────┐            │                    │
      │            │   woo-hoo   │            │                    │
      │            │  (FastAPI)  │            │                    │
      │            │  LLM/OCR    │            │                    │
      │            └─────────────┘            │                    │
      │                                       │                    │
      │                                       ▼                    │
      │                              ┌───────────────┐             │
      │                              │ celery worker │─────────────┘
      │                              │  (strip_pdf)  │
      │                              └───────────────┘

STEP BY STEP:
═══════════════════════════════════════════════════════════════════════════════

1. DOCUMENT UPLOAD (User → gpp-app → publicatiebank → OpenZaak)
   Browser POST /api/v2/documenten ──▶ gpp-app ──▶ publicatiebank ──▶ OpenZaak
   
2. STRIP_PDF TASK (celery → OpenZaak)  
   celery downloads from OpenZaak ──▶ strips metadata ──▶ uploads NEW to OpenZaak
   
3. METADATA GENERATION (gpp-app → publicatiebank → OpenZaak → woo-hoo)
   gpp-app GET /api/v2/documenten/{uuid}/download ──▶ publicatiebank 
   publicatiebank proxies to OpenZaak ──▶ returns PDF
   gpp-app POST /api/v1/metadata/generate-from-file ──▶ woo-hoo

                                    ┌──────────────────┐
                                    │   Browser/User   │
                                    └────────┬─────────┘
                                             │
                                             ▼
                                    ┌──────────────────┐
                                    │  nginx (8080)    │
                                    │  Reverse Proxy   │
                                    └────────┬─────────┘
                                             │
              ┌──────────────────────────────┼──────────────────────────────┐
              │                              │                              │
              ▼                              ▼                              ▼
    ┌──────────────────┐          ┌──────────────────┐          ┌──────────────────┐
    │  gpp-app (ODPC)  │          │  publicatiebank  │          │    woo-hoo       │
    │  .NET + Vue      │◄────────►│  (ODRC) Django   │          │    FastAPI       │
    │  Port 62230      │          │  Port 8002       │          │    Port 8003     │
    └────────┬─────────┘          └────────┬─────────┘          └──────────────────┘
             │                             │                              │
             │                             │                              │
             │                             ▼                              │
             │                    ┌──────────────────┐                    │
             │                    │    OpenZaak      │                    │
             │                    │    Port 8001     │                    │
             │                    └────────┬─────────┘                    │
             │                             │                              │
             └─────────────────────────────┼──────────────────────────────┘
                                           │
                              ┌────────────┴────────────┐
                              ▼                         ▼
                    ┌──────────────────┐      ┌──────────────────┐
                    │   PostgreSQL     │      │      Redis       │
                    │   Port 5432      │      │    Port 6379     │
                    └──────────────────┘      └──────────────────┘

Access URLs

Service URL Credentials
Main Application http://localhost:8080 Auto-login (dev mode)
GPP-App Direct http://localhost:62230 Auto-login (dev mode)
Publicatiebank Admin http://localhost:8002/admin admin / admin
OpenZaak Admin http://localhost:8001/admin admin / admin
woo-hoo API Docs http://localhost:8003/docs -
woo-hoo Health http://localhost:8003/health -

Development Modes

Full Docker Stack (Recommended for Testing)

just up

All services run in Docker containers. Best for integration testing and simulating production.

Hybrid Development (Frontend Focus)

# Start dependencies in Docker
just up-deps

# Run Vue dev server with hot reload (in a new terminal)
just dev-frontend

Access the Vue app at http://localhost:5173 - it proxies API calls to the Docker backend.

Hybrid Development (woo-hoo Focus)

# Start dependencies
just up-deps

# Run woo-hoo locally with hot reload
just dev-woo-hoo

Full Local Development

# Start only infrastructure
just up-infra

# Run each service locally (in separate terminals):
just dev-backend    # .NET backend
just dev-frontend   # Vue frontend
just dev-woo-hoo    # woo-hoo

OIDC / Authentication

In production, GPP uses OIDC (OpenID Connect) for authentication, which provides:

  • User identity and roles from the identity provider
  • User groups (OrganisationUnits) for authorization

For local development, OIDC is bypassed:

  • The OIDC_AUTHORITY environment variable is intentionally NOT set
  • GPP-app automatically logs in as a local developer with admin rights
  • Test user groups are seeded via fixtures

If you need to test OIDC integration, you can configure it in .env:

OIDC_AUTHORITY=https://your-idp.example.com
OIDC_CLIENT_ID=your-client-id
OIDC_CLIENT_SECRET=your-client-secret

woo-hoo (LLM Metadata Extraction)

woo-hoo uses LLMs to extract metadata from Dutch government documents. It requires an OpenRouter API key.

Setup

  1. Get an API key from OpenRouter
  2. Add it to your .env: 
    OPENROUTER_API_KEY=sk-or-v1-...

Supported Models

By default, woo-hoo uses EU-based Mistral models for data sovereignty:

  • mistralai/mistral-large-2512 (default)
  • mistralai/mistral-medium-3.1
  • mistralai/mistral-small-3.2-24b-instruct-2506

Change the model in .env:

WOO_HOO_MODEL=mistralai/mistral-large-2512

Testing woo-hoo

# Check health
curl http://localhost:8003/health

# View API docs
open http://localhost:8003/docs

# List available models
curl http://localhost:8003/api/v1/metadata/models

# Generate metadata from a file
curl -X POST http://localhost:8003/api/v1/metadata/generate-from-file \
  -F "file=@document.pdf"

Justfile Commands

Run just or just --list to see all available commands:

# Main commands
just up              # Start all services
just down            # Stop all services
just restart         # Restart all services
just logs            # View logs

# Selective startup
just up-infra        # Start only postgres & redis
just up-deps         # Start dependencies (+ openzaak, publicatiebank)
just up-woo-hoo      # Start woo-hoo only

# Development
just dev-frontend    # Vue dev server (hot reload)
just dev-backend     # .NET backend (local)
just dev-woo-hoo     # woo-hoo (hot reload)

# Testing
just test            # Run all tests
just test-gpp-app    # Run gpp-app tests
just test-woo-hoo    # Run woo-hoo tests

# Code quality
just lint            # Lint all code
just format          # Format all code

# Database
just db-shell        # Open psql
just db-odpc         # Connect to ODPC database
just db-publicatiebank # Connect to publicatiebank database

# Utilities
just health          # Check service health
just ps              # Show running containers
just clean           # Clean up Docker resources

Project Structure

gppmono/
├── services/
│   ├── gpp-app/           # Publication Composer (.NET + Vue)
│   │   ├── ODPC.Server/   # .NET backend
│   │   ├── ODPC.Test/     # Backend tests
│   │   └── odpc.client/   # Vue frontend
│   ├── publicatiebank/    # Publication Registry (Django)
│   │   └── src/woo_publications/
│   └── woo-hoo/           # LLM Metadata Service (FastAPI)
│       └── src/woo_hoo/
├── docker/
│   ├── nginx/             # Reverse proxy config
│   ├── postgres/init/     # Database initialization
│   └── fixtures/          # Seed data for local dev
├── docker-compose.yml     # Main compose file
├── docker-compose.override.yml  # Local dev overrides
├── justfile               # Command runner recipes
├── .env.example           # Environment template
├── CLAUDE.md              # AI assistant instructions
└── README.md              # This file

Troubleshooting

Services won't start

# Check what's running
just ps

# View logs for specific service
just logs gpp-app
just logs publicatiebank

# Rebuild images
just build

# Nuclear option: clean slate
just down-v
just up

Database issues

# Reset databases (destroys all data!)
just down-v
just up

# Check database health
just db-shell
\l  # List databases
\c ODPC  # Connect to ODPC
\dt  # List tables

woo-hoo not generating metadata

  1. Check if OPENROUTER_API_KEY is set in .env
  2. Check woo-hoo logs: just logs woo-hoo
  3. Test health: curl http://localhost:8003/health

Port conflicts

If ports are already in use, check for running containers:

docker ps -a
# Kill conflicting containers or change ports in docker-compose.override.yml

Contributing

  1. Create a feature branch
  2. Make your changes
  3. Run tests: just test
  4. Run linting: just lint
  5. Submit a pull request

License

See individual service directories for license information.

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A monorepo for all things gpp

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