.env.example

# Environment variables required by the @sim/realtime (Socket.IO) server.
# These MUST match the corresponding values in apps/sim/.env for auth to work.
# See apps/realtime/src/env.ts for the full zod schema.

# Core
NODE_ENV=development
PORT=3002

# Database — must point at the same Postgres as the main app
DATABASE_URL=postgresql://postgres:postgres@localhost:5432/simstudio

# Auth — shared with apps/sim (Better Auth "Shared Database Session" pattern)
BETTER_AUTH_URL=http://localhost:3000
BETTER_AUTH_SECRET=your_better_auth_secret_min_32_chars

# Internal RPC — shared with apps/sim
INTERNAL_API_SECRET=your_internal_api_secret_min_32_chars

# Public app URL — used for CORS allow-list and base URL resolution
NEXT_PUBLIC_APP_URL=http://localhost:3000

# Optional: Redis for cross-pod room management
# Leave unset for single-pod / in-memory rooms
# REDIS_URL=redis://localhost:6379

# Optional: extra Socket.IO CORS allow-list (comma-separated)
# ALLOWED_ORIGINS=https://embed.example.com,https://admin.example.com

# Optional: disable auth entirely for trusted private networks
# DISABLE_AUTH=true