Change idle connection time (#12073)

As discussed with @Weiko

Even though we cache the datasource, the connection expire after
10minutes in TypeORM, that might be the reason why our app is spamming
the proxy asking for connections. Also lowering the pool size.

packages/twenty-server/src/engine/twenty-orm/factories/workspace-datasource.factory.ts

@@ -36,6 +36,8 @@ type CacheResult<T, U> = {
   data: U;
 };
 
+const ONE_HOUR_IN_MS = 3600_000;
+
 @Injectable()
 export class WorkspaceDatasourceFactory {
   private readonly logger = new Logger(WorkspaceDatasourceFactory.name);
@@ -173,6 +175,16 @@ export class WorkspaceDatasourceFactory {
                     rejectUnauthorized: false,
                   }
                 : undefined,
+              extra: {
+                query_timeout: 10000,
+                // https://node-postgres.com/apis/pool
+                // TypeORM doesn't allow sharing connection pools bet
+                // So for now we keep a small pool open for longer
+                // for each workspace.
+                idleTimeoutMillis: ONE_HOUR_IN_MS,
+                max: 4,
+                allowExitOnIdle: true,
+              },
             },
             cachedFeatureFlagMapVersion,
             cachedFeatureFlagMap,