.env.example

# Stellar SolarGrid - Docker Compose Environment Variables

# ── Stellar Contract ──────────────────────────────────────────────────────────
# The deployed Soroban smart contract ID
CONTRACT_ID=YOUR_CONTRACT_ID_HERE

# Stellar network to connect to (testnet | mainnet)
STELLAR_NETWORK=testnet

# ── Admin Keypair ─────────────────────────────────────────────────────────────
# Secret key used to sign on-chain transactions — NEVER commit the real value
ADMIN_SECRET_KEY=YOUR_ADMIN_SECRET_KEY_HERE

# Public key of the admin account (used by GET /api/stats for revenue lookup)
ADMIN_ADDRESS=YOUR_ADMIN_PUBLIC_KEY_HERE

# API key for admin-only backend endpoints
ADMIN_API_KEY=change-me-in-production

# ── MQTT ──────────────────────────────────────────────────────────────────────
# MQTT broker URL used by backend and IoT bridge
MQTT_BROKER=mqtt://mqtt:1883

# Units threshold below which a low-balance webhook is triggered
LOW_BALANCE_THRESHOLD=1000000

# ── Frontend build args ───────────────────────────────────────────────────────
# Contract ID exposed to the Vite frontend build
VITE_CONTRACT_ID=YOUR_CONTRACT_ID_HERE

# Frontend origin used by backend CORS (change for production)
FRONTEND_ORIGIN=http://localhost:5173