Environment Variables

Check-IA requires several environment variables for the backend and frontend.

Backend Environment

Create a .env file in the project root:

# Django
DJANGO_SECRET_KEY=<your-secret-key>
DEBUG=False
ALLOWED_HOSTS=localhost,127.0.0.1

# Database (Supabase PostgreSQL)
DB_HOST=<your-supabase-db-host>
DB_PORT=6543
DB_NAME=postgres
DB_USER=<your-db-user>
SUPABASE_DB_PASSWORD=<your-db-password>

# Supabase
SUPABASE_URL=<your-supabase-project-url>
SUPABASE_ANON_KEY=<your-supabase-anon-key>
SUPABASE_SERVICE_ROLE_KEY=<your-supabase-service-role-key>

# AI Services
OPENROUTER_API_KEY=<your-openrouter-api-key>
PERPLEXITY_API_KEY=<your-perplexity-api-key>

# Celery / Redis
REDIS_URL=redis://localhost:6379/0
CELERY_BROKER_URL=redis://localhost:6379/0
CELERY_RESULT_BACKEND=redis://localhost:6379/0

# CORS
CORS_ALLOWED_ORIGINS=http://localhost:3000

Variable Reference

Variable	Required	Description
DJANGO_SECRET_KEY	Yes	Django cryptographic signing key
DEBUG	No	Enable debug mode (default: False)
ALLOWED_HOSTS	No	Comma-separated list of allowed hosts
DB_HOST	Yes	Supabase PostgreSQL host
DB_PORT	No	Database port (default: 5432)
DB_NAME	No	Database name (default: postgres)
DB_USER	No	Database user (default: postgres)
SUPABASE_DB_PASSWORD	Yes	Supabase database password
SUPABASE_URL	Yes	Supabase project URL
SUPABASE_ANON_KEY	Yes	Supabase anonymous/public key
SUPABASE_SERVICE_ROLE_KEY	No	Supabase service role key (for admin operations)
OPENROUTER_API_KEY	Yes	OpenRouter API key (for GPT-4o-mini)
PERPLEXITY_API_KEY	Yes	Perplexity API key (for source search)
REDIS_URL	No	Redis connection URL (default: redis://localhost:6379/0)
CORS_ALLOWED_ORIGINS	No	Allowed CORS origins (default: http://localhost:3000)

Frontend Environment

Create a .env file in the client/ directory:

REACT_APP_SUPABASE_URL=<your-supabase-project-url>
REACT_APP_SUPABASE_ANON_KEY=<your-supabase-anon-key>
REACT_APP_API_URL=http://localhost:8000

Warning

Never commit .env files to version control. The .gitignore already excludes them.