Fix Internal Server Error in services w/o gateways (#2225)

Author: jvstme

src/dstack/_internal/server/services/proxy/repo.py

@@ -5,6 +5,7 @@
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.orm import joinedload
 
+import dstack._internal.server.services.jobs as jobs_services
 from dstack._internal.core.consts import DSTACK_RUNNER_SSH_PORT
 from dstack._internal.core.models.common import is_core_model_instance
 from dstack._internal.core.models.configurations import ServiceConfiguration
@@ -73,6 +74,10 @@ async def get_service(self, project_name: str, run_name: str) -> Optional[Servic
             else:
                 ssh_destination = "root@localhost"  # TODO(#1535): support non-root images properly
                 ssh_port = DSTACK_RUNNER_SSH_PORT
+                job_submission = jobs_services.job_model_to_job_submission(job)
+                jrd = job_submission.job_runtime_data
+                if jrd is not None and jrd.ports is not None:
+                    ssh_port = jrd.ports.get(ssh_port, ssh_port)
                 ssh_proxy = SSHConnectionParams(
                     hostname=jpd.hostname,
                     username=jpd.username,