template.env

# CodeArena deployment environment template
# Copy this file to your provider's env vars UI (Railway, etc.).
# Do not commit real secrets.

# Core runtime
NODE_ENV=production
PORT=7860
HOSTNAME=0.0.0.0
PROCESS_TYPE=API
# Temporary single-service mode: run workers in API process
ENABLE_API_WORKERS=false

# Database and auth
MONGODB_URI=mongodb+srv://<user>:<password>@<cluster>/<db>
JWT_SECRET=replace-with-long-random-secret

# Redis (preferred single URL)
REDIS_URL=rediss://default:yourpassword@your-upstash-endpoint.upstash.io:6379
# Set true only if your platform has TLS certificate chain validation issues.
REDIS_TLS_INSECURE=false

# 🔐 Socket.IO Security - CORS Whitelist
# Comma-separated list of allowed origins for WebSocket connections
# Example: http://localhost:3000,https://yourdomain.com,https://app.yourdomain.com
ALLOWED_ORIGINS=http://localhost:3000,https://yourdomain.com

# Socket server settings
SOCKET_PORT=3002
NEXT_PUBLIC_SOCKET_PORT=3002
# Optional: set this when clients must use an explicit public socket endpoint.
# NEXT_PUBLIC_SOCKET_URL=https://yourdomain.com:3002

# Optional split Redis settings (legacy fallback)
REDIS_HOST=<redis-host>
REDIS_PORT=6379
REDIS_PASSWORD=<redis-password>

# Public Firebase config (required by frontend)
NEXT_PUBLIC_FIREBASE_API_KEY=<firebase-api-key>
NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN=<project>.firebaseapp.com
NEXT_PUBLIC_FIREBASE_PROJECT_ID=<firebase-project-id>
NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET=<project>.appspot.com
NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID=<firebase-sender-id>
NEXT_PUBLIC_FIREBASE_APP_ID=<firebase-app-id>

# AI / external APIs
GROQ_API_KEY=<groq-api-key>

# Code execution fallback (Judge0)
JUDGE0_API_URL=https://judge0-ce.p.rapidapi.com
JUDGE0_API_KEY=<judge0-api-key>

# Optional external execution service (if used)
EXECUTION_SERVICE_URL=https://<execution-service-host>
EXECUTION_SERVICE_API_KEY=<execution-service-api-key>
EXECUTION_SERVICE_TIMEOUT=90000

# Optional observability
# LOG_LEVEL=info
# PROMETHEUS_ENABLED=true