Update postgres deployment to include connection keepalive and timeout settings

apps/postgres/deployment.yaml

@@ -16,6 +16,13 @@ spec:
       containers:
         - name: postgres
           image: pgvector/pgvector:pg15
+          args: [
+            "-c", "tcp_keepalives_idle=600",
+            "-c", "tcp_keepalives_interval=30", 
+            "-c", "tcp_keepalives_count=3",
+            "-c", "statement_timeout=300000",
+            "-c", "idle_in_transaction_session_timeout=600000"
+          ]
           ports:
             - containerPort: 5432
           envFrom: