.env.example

# Application Configuration
NODE_ENV=development
PORT=3000

# Request Body Size Limits (in MB)
BODY_LIMIT_JSON=10
BODY_LIMIT_URLENCODED=10

# Database Configuration
DB_HOST=localhost
DB_PORT=5432
DB_USER=postgres
DB_PASSWORD=your_secure_db_password
DB_NAME=nexafx_db
DB_SSL=false

# JWT Configuration
JWT_SECRET=your_super_secret_jwt_key_must_be_at_least_32_characters_long_for_security
JWT_EXPIRY=3600

# Refresh Token Configuration
REFRESH_TOKEN_SECRET=your_super_secret_refresh_token_key_must_be_at_least_32_characters_long
REFRESH_TOKEN_EXPIRY=604800

# OTP Configuration
OTP_SECRET=your_super_secret_otp_key_must_be_at_least_32_characters_long
OTP_EXPIRY=300

# Wallet Encryption Configuration (64-character hex string)
WALLET_ENCRYPTION_KEY=0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef

# External Service Credentials
EXTERNAL_API_KEY=your_external_api_key
EXTERNAL_API_URL=https://api.example.com
EXTERNAL_API_TIMEOUT=30000

# Mail Configuration
MAIL_HOST=smtp.example.com
MAIL_PORT=587
MAIL_USER=your_email@example.com
MAIL_PASSWORD=your_mail_password
MAIL_FROM=noreply@example.com
MAIL_SECURE=false

# Redis Configuration (optional)
REDIS_HOST=localhost
REDIS_PORT=6379
REDIS_PASSWORD=

# Rate Limiting Configuration
RATE_LIMIT_WINDOW_MS=60000
RATE_LIMIT_MAX_REQUESTS=100

# Blockchain Configuration
# RPC endpoint for blockchain interaction (Ethereum mainnet, testnet, or custom node)
BLOCKCHAIN_RPC_URL=http://localhost:8545
# Number of confirmations required for transaction finalization
BLOCKCHAIN_REQUIRED_CONFIRMATIONS=12

# Payment Provider Configuration
# API endpoint for the payment provider (e.g., Stripe, PayPal, Square)
PROVIDER_API_URL=https://api.payment-provider.com
# API key for authentication with the payment provider
PROVIDER_API_KEY=your_provider_api_key_here
# Timeout in milliseconds for provider API calls
PROVIDER_API_TIMEOUT=30000