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# Environment Variables

QuickDapp is configured via environment variables.

# Required 

DATABASE_URL=postgresql://user:password@host:5432/database
SESSION_ENCRYPTION_KEY=your_min_32_characters_key
SERVER_WALLET_PRIVATE_KEY=0xYourWalletPrivateKey
BASE_URL=http://localhost:3000
CHAIN_RPC_ENDPOINT=http://localhost:8545
SERVER_CHAIN_RPC_ENDPOINT=http://localhost:8545
WALLETCONNECT_PROJECT_ID=your_walletconnect_project_id

Notes:

  • SESSION_ENCRYPTION_KEY must be at least 32 characters (validated on startup).
  • CHAIN_RPC_ENDPOINT is used by client-side code and exposed to frontend.
  • SERVER_CHAIN_RPC_ENDPOINT is used by server-side blockchain operations only.

# Common optional 

# App/server
WEB_ENABLED=true
HOST=localhost
PORT=3000
WORKER_COUNT=1            # or "cpus" (applies at runtime)
STATIC_ASSETS_FOLDER=     # optional

# Logging
LOG_LEVEL=info            # trace|debug|info|warn|error
WORKER_LOG_LEVEL=info

# Blockchain
CHAIN=anvil
FACTORY_CONTRACT_ADDRESS=0x...

# Confirmations
TX_BLOCK_CONFIRMATIONS_REQUIRED=1

# External services
SENTRY_DSN=
SENTRY_WORKER_DSN=
SENTRY_AUTH_TOKEN=
MAILGUN_API_KEY=
MAILGUN_API_ENDPOINT=
MAILGUN_FROM_ADDRESS=

# Client-visible

Safe to expose:

  • APP_NAME
  • APP_VERSION
  • NODE_ENV
  • BASE_URL
  • CHAIN
  • CHAIN_RPC_ENDPOINT
  • WALLETCONNECT_PROJECT_ID
  • FACTORY_CONTRACT_ADDRESS
  • SENTRY_DSN

Keep secrets server-side.