fix: generate docker-compatible registry repositories

test/test.apiclient.ts

@@ -184,6 +184,7 @@ tap.test('should expose generated service registry targets', async () => {
   expect(registryTarget.protocol).toEqual('oci');
   expect(registryTarget.registryHost).toEqual(`${helpers.testCloudlyConfig.publicUrl}:${helpers.testCloudlyConfig.publicPort}`);
   expect(registryTarget.repository.startsWith('workloads/registry-target-test-service-')).toBeTrue();
+  expect(registryTarget.repository.split('/').every((partArg) => /^[a-z0-9]+(?:-[a-z0-9]+)*$/.test(partArg))).toBeTrue();
   expect(registryTarget.imageUrl).toEqual(`${registryTarget.registryHost}/${registryTarget.repository}:latest`);
 
   const refreshedService = await testClient.services.getServiceById(service.id);

ts/manager.registry/classes.registrymanager.ts

@@ -252,7 +252,8 @@ export class CloudlyRegistryManager {
   private slugify(valueArg: string) {
     return valueArg
       .toLowerCase()
-      .replace(/[^a-z0-9._-]+/g, '-')
+      .replace(/[^a-z0-9]+/g, '-')
+      .replace(/-+/g, '-')
       .replace(/^-+|-+$/g, '')
       || 'service';
   }