diff --git a/docker-compose.yml b/docker-compose.yml
index 8e2fdee2..252088ac 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,11 +5,9 @@ services:
       #context: .
       #dockerfile: Dockerfile
     container_name: os
-    depends_on:
-      - openrag-backend
     environment:
       - discovery.type=single-node
-      - OPENSEARCH_INITIAL_ADMIN_PASSWORD=${OPENSEARCH_PASSWORD}
+      - OPENSEARCH_INITIAL_ADMIN_PASSWORD=${OPENSEARCH_PASSWORD:-admin123}
     # Run security setup in background after OpenSearch starts
     command: >
       bash -c "
@@ -34,7 +32,7 @@ services:
     environment:
       OPENSEARCH_HOSTS: '["https://opensearch:9200"]'
       OPENSEARCH_USERNAME: "admin"
-      OPENSEARCH_PASSWORD: ${OPENSEARCH_PASSWORD}
+      OPENSEARCH_PASSWORD: ${OPENSEARCH_PASSWORD:-admin123}
     ports:
       - "5601:5601"
 
@@ -45,17 +43,18 @@ services:
       #dockerfile: Dockerfile.backend
     container_name: openrag-backend
     depends_on:
+      - opensearch
       - langflow
     environment:
       - OPENSEARCH_HOST=opensearch
       - LANGFLOW_URL=http://langflow:7860
       - LANGFLOW_PUBLIC_URL=${LANGFLOW_PUBLIC_URL}
-      - LANGFLOW_SUPERUSER=${LANGFLOW_SUPERUSER}
-      - LANGFLOW_SUPERUSER_PASSWORD=${LANGFLOW_SUPERUSER_PASSWORD}
+      - LANGFLOW_SUPERUSER=${LANGFLOW_SUPERUSER:-admin}
+      - LANGFLOW_SUPERUSER_PASSWORD=${LANGFLOW_SUPERUSER_PASSWORD:-admin123}
       - FLOW_ID=${FLOW_ID}
       - OPENSEARCH_PORT=9200
       - OPENSEARCH_USERNAME=admin
-      - OPENSEARCH_PASSWORD=${OPENSEARCH_PASSWORD}
+      - OPENSEARCH_PASSWORD=${OPENSEARCH_PASSWORD:-admin123}
       - OPENAI_API_KEY=${OPENAI_API_KEY}
       - NVIDIA_DRIVER_CAPABILITIES=compute,utility
       - NVIDIA_VISIBLE_DEVICES=all
@@ -69,6 +68,8 @@ services:
     volumes:
       - ./documents:/app/documents:Z
       - ./keys:/app/keys:Z
+    ports:
+      - "8000:8000"
     gpus: all
 
   openrag-frontend:
@@ -87,7 +88,7 @@ services:
   langflow:
     volumes:
       - ./flows:/app/flows:Z
-    image: phact/langflow:responses
+    image: langflowai/langflow:latest
     container_name: langflow
     ports:
       - "7860:7860"
@@ -99,8 +100,8 @@ services:
       - OPENRAG-QUERY-FILTER="{}"
       - LANGFLOW_VARIABLES_TO_GET_FROM_ENVIRONMENT=JWT,OPENRAG-QUERY-FILTER
       - LANGFLOW_LOG_LEVEL=DEBUG
-      - LANGFLOW_AUTO_LOGIN=${LANGFLOW_AUTO_LOGIN}
-      - LANGFLOW_SUPERUSER=${LANGFLOW_SUPERUSER}
-      - LANGFLOW_SUPERUSER_PASSWORD=${LANGFLOW_SUPERUSER_PASSWORD}
-      - LANGFLOW_NEW_USER_IS_ACTIVE=${LANGFLOW_NEW_USER_IS_ACTIVE}
-      - LANGFLOW_ENABLE_SUPERUSER_CLI=${LANGFLOW_ENABLE_SUPERUSER_CLI}
+      - LANGFLOW_AUTO_LOGIN=${LANGFLOW_AUTO_LOGIN:-true}
+      - LANGFLOW_SUPERUSER=${LANGFLOW_SUPERUSER:-admin}
+      - LANGFLOW_SUPERUSER_PASSWORD=${LANGFLOW_SUPERUSER_PASSWORD:-admin123}
+      - LANGFLOW_NEW_USER_IS_ACTIVE=${LANGFLOW_NEW_USER_IS_ACTIVE:-true}
+      - LANGFLOW_ENABLE_SUPERUSER_CLI=${LANGFLOW_ENABLE_SUPERUSER_CLI:-true}
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 103dd7aa..5d7c9750 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -5402,18 +5402,6 @@
         "@pkgjs/parseargs": "^0.11.0"
       }
     },
-    "node_modules/jiti": {
-      "version": "2.4.2",
-      "resolved": "https://registry.npmjs.org/jiti/-/jiti-2.4.2.tgz",
-      "integrity": "sha512-rg9zJN+G4n2nfJl5MW3BMygZX56zKPNVEYYqq7adpmMh4Jn2QNEwhvQlFy6jPVdcod7txZtKHWnyZiA3a0zP7A==",
-      "dev": true,
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "bin": {
-        "jiti": "lib/jiti-cli.mjs"
-      }
-    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
diff --git a/src/api/connectors.py b/src/api/connectors.py
index 426c32ed..8594075c 100644
--- a/src/api/connectors.py
+++ b/src/api/connectors.py
@@ -23,6 +23,9 @@ async def connector_sync(request: Request, connector_service, session_manager):
     data = await request.json()
     max_files = data.get("max_files")
 
+    if not data.get("selected_files"):
+        return JSONResponse({"error": "selected_files is required"}, status_code=400)
+
     try:
         logger.debug("Starting connector sync", connector_type=connector_type, max_files=max_files)
 
diff --git a/src/connectors/google_drive/connector.py b/src/connectors/google_drive/connector.py
index 06c294a6..07145fcd 100644
--- a/src/connectors/google_drive/connector.py
+++ b/src/connectors/google_drive/connector.py
@@ -168,11 +168,18 @@ class GoogleDriveConnector(BaseConnector):
     # Helpers
     # -------------------------
     @property
-    def _drives_flags(self) -> Dict[str, Any]:
+    def _drives_get_flags(self) -> Dict[str, Any]:
         """
-        Common flags for ALL Drive calls to ensure Shared Drives are included.
+        Flags valid for GET-like calls (files.get, changes.getStartPageToken).
         """
-        return dict(supportsAllDrives=True, includeItemsFromAllDrives=True)
+        return {"supportsAllDrives": True}
+
+    @property
+    def _drives_list_flags(self) -> Dict[str, Any]:
+        """
+        Flags valid for LIST-like calls (files.list, changes.list).
+        """
+        return {"supportsAllDrives": True, "includeItemsFromAllDrives": True}
 
     def _pick_corpora_args(self) -> Dict[str, Any]:
         """
@@ -241,7 +248,7 @@ class GoogleDriveConnector(BaseConnector):
                         "id, name, mimeType, modifiedTime, createdTime, size, "
                         "webViewLink, parents, shortcutDetails, driveId)"
                     ),
-                    **self._drives_flags,
+                    **self._drives_list_flags,
                     **self._pick_corpora_args(),
                 )
                 .execute()
@@ -292,7 +299,7 @@ class GoogleDriveConnector(BaseConnector):
                         "id, name, mimeType, modifiedTime, createdTime, size, "
                         "webViewLink, parents, shortcutDetails, driveId"
                     ),
-                    **self._drives_flags,
+                    **self._drives_get_flags,
                 )
                 .execute()
             )
@@ -396,9 +403,10 @@ class GoogleDriveConnector(BaseConnector):
             # default fallback if not overridden
             if not export_mime:
                 export_mime = "application/pdf"
+            # NOTE: export_media does not accept supportsAllDrives/includeItemsFromAllDrives
             request = self.service.files().export_media(fileId=file_id, mimeType=export_mime)
         else:
-            # Binary download
+            # Binary download (get_media also doesn't accept the Drive flags)
             request = self.service.files().get_media(fileId=file_id)
 
         fh = io.BytesIO()
@@ -846,7 +854,8 @@ class GoogleDriveConnector(BaseConnector):
     # Changes API (polling or webhook-backed)
     # -------------------------
     def get_start_page_token(self) -> str:
-        resp = self.service.changes().getStartPageToken(**self._drives_flags).execute()
+        # getStartPageToken accepts supportsAllDrives (not includeItemsFromAllDrives)
+        resp = self.service.changes().getStartPageToken(**self._drives_get_flags).execute()
         return resp["startPageToken"]
 
     def poll_changes_and_sync(self) -> Optional[str]:
@@ -867,7 +876,7 @@ class GoogleDriveConnector(BaseConnector):
                         "changes(fileId, file(id, name, mimeType, trashed, parents, "
                         "shortcutDetails, driveId, modifiedTime, webViewLink))"
                     ),
-                    **self._drives_flags,
+                    **self._drives_list_flags,
                 )
                 .execute()
             )