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fAIr Development Setup

Prerequisites

  • Docker Engine or Docker Desktop, with Docker Compose 2.23.1 or newer (docker compose version)
  • Git
  • 4GB+ RAM

Quick start

git clone https://github.com/hotosm/fAIr.git
cd fAIr
cp env_example .env
docker compose up

Open http://localhost:8000. The first boot pulls images and seeds the model catalog, so it takes a few minutes; later starts are quick.

This runs the API, the frontend, a background worker, and the full dependency set: Postgres with PostGIS, MinIO, a STAC catalog, MLflow, and a ZenML server. To run from source instead, run docker compose build first.

Verifying the installation

test.py at the repository root walks the whole flow one request at a time: area of interest, dataset build, training, promotion, prediction.

uv run test.py

It prints each step as it passes and exits non-zero on the first failure. Point it at a stack on other ports with --api, --stac, and --minio.

Services

Service URL Credentials
fAIr frontend and API http://localhost:8000 Bearer dev-token
Swagger UI http://localhost:8000/api/docs/
ReDoc http://localhost:8000/api/redoc/
OpenAPI schema http://localhost:8000/api/schema/
Health probes http://localhost:8000/api/v1/health/
ZenML http://localhost:8080 default, empty password
STAC http://localhost:8082/collections
MLflow http://localhost:5000
MinIO console http://localhost:9001 minioadmin / minioadmin
PostgreSQL localhost:5434 admin / password

All v1 routes are under /api/v1/. Versioning uses DRF NamespaceVersioning, so request.version is set per request and /api/v2/ is one URL line away when needed.

Every published port is overridable, so the stack can coexist with other services:

API_PORT=8100 POSTGRES_PORT=5544 docker compose up

The docker network name is pinned to fair-net, because the ZenML orchestrator attaches training containers to it by name. Two copies of the stack on one host need that name changed as well.

Configuration

The root .env is read by pydantic-settings; required vars raise at boot if missing. env_example holds working defaults for the compose setup, using compose service names as hosts.

To run Django on the host against the containerised dependencies, use backend/env_example instead, which points at localhost and the published ports. See backend/README.md for every variable.

Notes

Prediction results are returned as presigned MinIO URLs signed for the in-network minio host, so they do not resolve from a browser. Add 127.0.0.1 minio to /etc/hosts to open them directly.

Training runs spawn containers through the host Docker socket, which is mounted into the worker.

Help