# Copy to ./.env on the VPS and fill in. Never commit the real .env.

# Domain for Caddy automatic HTTPS. Its Cloudflare DNS A record must point to this
# VPS IP as "DNS only" (grey cloud) so Caddy can issue the Let's Encrypt cert and
# SSE (/api/stream) is not buffered by Cloudflare's proxy.
DOMAIN=arbpulse.wayool.com

NODE_ENV=production
PORT=8080

# Engine tuning (mirrors render.yaml production defaults)
STALE_MS=3000
FLICKER_CONFIRM_MS=150
MIN_NET_PROFIT_PCT=0.0005
MAX_TRADE_BTC=0.25
LATENCY_MS=120
LATENCY_SLIPPAGE_BPS=2
CIRCUIT_BREAKER_LOSSES=5
CIRCUIT_BREAKER_COOLDOWN_MS=15000
INITIAL_USDT=50000
INITIAL_BTC=0.5
DEMO_MODE=false
RECORD_FEED=false

# Observability. Error monitoring is on when SENTRY_DSN is set.
# Leave SENTRY_TRACING=false for 24/7 (keeps spans off the free-tier quota).
SENTRY_DSN=
SENTRY_TRACING=false
LOG_LEVEL=info

# Upstash (optional): rate limiting on /api/* + short-TTL snapshot cache.
# Leave empty to disable both features.
UPSTASH_REDIS_REST_URL=
UPSTASH_REDIS_REST_TOKEN=