fix(db): enable database connection pooling in production (#1564)

* fix: enable database connection pooling in production

* debug: add diagnostic endpoints to test NODE_ENV and database pooling

* test: add connection testing endpoint to diagnose production delay

* redeuce num of concurrent connections

apps/sim/socket-server/database/operations.ts

@@ -15,9 +15,8 @@ const socketDb = drizzle(
     prepare: false,
     idle_timeout: 10,
     connect_timeout: 20,
-    max: 25,
+    max: 15,
     onnotice: () => {},
-    debug: false,
   }),
   { schema }
 )

apps/sim/socket-server/rooms/manager.ts

@@ -13,7 +13,7 @@ const db = drizzle(
     prepare: false,
     idle_timeout: 15,
     connect_timeout: 20,
-    max: 5,
+    max: 3,
     onnotice: () => {},
   }),
   { schema }

packages/db/index.ts

@@ -14,16 +14,8 @@ const postgresClient = postgres(connectionString, {
   prepare: false,
   idle_timeout: 20,
   connect_timeout: 30,
-  max: 80,
+  max: 30,
   onnotice: () => {},
 })
 
-const drizzleClient = drizzle(postgresClient, { schema })
-
-declare global {
-  // eslint-disable-next-line no-var
-  var database: PostgresJsDatabase<typeof schema> | undefined
-}
-
-export const db = globalThis.database || drizzleClient
-if (process.env.NODE_ENV !== 'production') globalThis.database = db
+export const db = drizzle(postgresClient, { schema })