try this

Author: easyCZ

components/server/src/api/server.ts

@@ -318,5 +318,4 @@ export const productionContainerModule = new ContainerModule((bind, unbind, isBo
 
     // grpc / Connect API
     bind(APIUserService).toSelf().inSingletonScope();
-    bind(APIRouter).toSelf().inSingletonScope();
 });

components/server/src/container-module.ts

@@ -54,6 +54,9 @@ import { IamSessionApp } from "./iam/iam-session-app";
 import { LongRunningMigrationService } from "@gitpod/gitpod-db/lib/long-running-migration/long-running-migration";
 import { expressConnectMiddleware } from "@bufbuild/connect-express";
 import { APIRouter } from "./api/server";
+import { UserService as UserServiceDefinition } from "@gitpod/public-api/lib/gitpod/experimental/v1/user_connectweb";
+import { APIUserService } from "./api/user";
+import { ConnectRouter } from "@bufbuild/connect";
 
 @injectable()
 export class Server<C extends GitpodClient, S extends GitpodServer> {
@@ -95,7 +98,7 @@ export class Server<C extends GitpodClient, S extends GitpodServer> {
     protected iamSessionApp?: express.Application;
     protected iamSessionAppServer?: http.Server;
 
-    @inject(APIRouter) protected readonly apiRouter: APIRouter;
+    @inject(APIUserService) protected readonly apiUserService: APIUserService;
     protected apiServer?: http.Server;
 
     protected readonly eventEmitter = new EventEmitter();
@@ -396,7 +399,13 @@ export class Server<C extends GitpodClient, S extends GitpodServer> {
 
         {
             const apiApp = express();
-            apiApp.use(expressConnectMiddleware({ routes: this.apiRouter.routes }));
+            apiApp.use(
+                expressConnectMiddleware({
+                    routes: (router: ConnectRouter) => {
+                        router.service(UserServiceDefinition, this.apiUserService);
+                    },
+                }),
+            );
             this.apiServer = apiApp.listen(9877, () => {
                 log.info(`Connect API server listening on: ${<AddressInfo>this.apiServer!.address()}`);
             });