Add TCP/UDP port mapping support

- Add app_ports table for storing port mappings per app
- Add Port model with CRUD operations
- Add handlers for adding/deleting port mappings
- Add ports section to app detail template
- Update Docker client to configure port bindings when creating containers
- Support both TCP and UDP protocols

internal/service/deploy/deploy.go

@@ -339,6 +339,11 @@ func (svc *Service) buildContainerOptions(
 		return docker.CreateContainerOptions{}, fmt.Errorf("failed to get volumes: %w", err)
 	}
 
+	ports, err := app.GetPorts(ctx)
+	if err != nil {
+		return docker.CreateContainerOptions{}, fmt.Errorf("failed to get ports: %w", err)
+	}
+
 	envMap := make(map[string]string, len(envVars))
 	for _, envVar := range envVars {
 		envMap[envVar.Key] = envVar.Value
@@ -355,6 +360,7 @@ func (svc *Service) buildContainerOptions(
 		Env:     envMap,
 		Labels:  buildLabelMap(app, labels),
 		Volumes: buildVolumeMounts(volumes),
+		Ports:   buildPortMappings(ports),
 		Network: network,
 	}, nil
 }
@@ -384,6 +390,19 @@ func buildVolumeMounts(volumes []*models.Volume) []docker.VolumeMount {
 	return mounts
 }
 
+func buildPortMappings(ports []*models.Port) []docker.PortMapping {
+	mappings := make([]docker.PortMapping, 0, len(ports))
+	for _, port := range ports {
+		mappings = append(mappings, docker.PortMapping{
+			HostPort:      port.HostPort,
+			ContainerPort: port.ContainerPort,
+			Protocol:      string(port.Protocol),
+		})
+	}
+
+	return mappings
+}
+
 func (svc *Service) updateAppRunning(
 	ctx context.Context,
 	app *models.App,