.env.example

# Server
PORT=3000

# IPFS / data
IPFS_API_URL=http://ipfs:5001
# Optional replica Kubo RPC URLs (comma-separated). When set, pin/unpin calls are
# mirrored best-effort to each replica after the primary pin succeeds.
PIN_REPLICA_IPFS_API_URLS=
# Optional public delegate URLs matching the replica list above 1:1.
# These are returned in PinStatus.delegates alongside DELEGATE_URL.
PIN_REPLICA_DELEGATE_URLS=
IPFS_TIMEOUT_MS=30000
DATABASE_PATH=./data/tack.db
DELEGATE_URL=http://localhost:8080/ipfs

# Networking / security
# When false, rate limiting ignores forwarded headers and uses socket remote address.
# Set true only when running behind a trusted reverse proxy that sets x-forwarded-for/x-real-ip.
TRUST_PROXY=false
# Optional secret for signed wallet bearer tokens on owner pin endpoints.
# Set this in production to enable `Authorization: Bearer <token>` auth for /pins owner operations.
WALLET_AUTH_TOKEN_SECRET=change-me

# Upload and gateway limits
UPLOAD_MAX_SIZE_BYTES=104857600
GATEWAY_MAX_CONTENT_SIZE_BYTES=52428800
GATEWAY_CACHE_MAX_SIZE_BYTES=104857600
GATEWAY_CACHE_CONTROL_MAX_AGE_SECONDS=31536000
RATE_LIMIT_REQUESTS_PER_MINUTE=120

# x402 payments
# In production, startup validation requires X402_ENABLED=true.
X402_ENABLED=false
X402_FACILITATOR_URL=https://facilitator.taiko.xyz
X402_NETWORK=eip155:167000

# Settlement wallet (receiver)
# Placeholder values below are for local dev only; production startup rejects placeholders.
X402_PAY_TO=0x0000000000000000000000000000000000000001

# Asset config (Taiko USDC)
X402_USDC_ASSET_ADDRESS=0x0000000000000000000000000000000000000001
X402_USDC_ASSET_DECIMALS=6

# Pricing for paid endpoints
X402_BASE_PRICE_USD=0.001
X402_PRICE_PER_MB_USD=0.001
X402_MAX_PRICE_USD=0.01