feat: add support for ulimits in compose and container creation (#221) (#244)

* feat: add support for ulimits in compose and container creation ([#221](https://github.com/ipaddicting/uncloud/issues/221))
* refactor: move Ulimits to ContainerResources and use map, also removed GEMINI.md.

pkg/api/resources.go

@@ -19,4 +19,11 @@ type ContainerResources struct {
 	MemoryReservation int64
 	// Device reservations/requests for access to things like GPUs
 	DeviceReservations []container.DeviceRequest
+	// Ulimits defines the resource limits for the container.
+	Ulimits map[string]Ulimit
+}
+
+type Ulimit struct {
+	Soft int64
+	Hard int64
 }

pkg/api/service.go

@@ -363,6 +363,9 @@ func (s *ContainerSpec) Clone() ContainerSpec {
 			spec.Sysctls[k] = v
 		}
 	}
+	if s.Resources.Ulimits != nil {
+		spec.Resources.Ulimits = maps.Clone(s.Resources.Ulimits)
+	}
 	return spec
 }