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.env.example

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+PORT=3101
+DATABASE_URL=postgres://greact:pG3526l4@194.36.208.86:5433/cloud
+CORS_ALLOWED_ORIGINS=http://localhost:3000,http://localhost:5173
+
+# Optional. When set, POST /ingest requires x-api-key: <value>.
+INGEST_API_KEY=
+
+# Pool sizing for node-postgres.
+PG_POOL_MAX=20
+
+# Maximum points accepted by one POST /ingest request.
+INGEST_MAX_BATCH_SIZE=10000
+
+# Poll interval for GET /current/events SSE snapshots.
+CURRENT_EVENTS_POLL_MS=1000
+
+# Graph API defaults.
+HISTORY_TARGET_POINTS=2000
+HISTORY_MAX_TARGET_POINTS=5000