💄 improve docker module ui

src/pages/api/docker/DockerSingleton.ts

@@ -0,0 +1,16 @@
+import Docker from 'dockerode';
+
+export default class DockerSingleton extends Docker {
+  private static dockerInstance: DockerSingleton;
+
+  private constructor() {
+    super();
+  }
+
+  public static getInstance(): DockerSingleton {
+    if (!DockerSingleton.dockerInstance) {
+      DockerSingleton.dockerInstance = new DockerSingleton();
+    }
+    return DockerSingleton.dockerInstance;
+  }
+}