Refactored pipeline to use docker.io registry

.drone.yml

@@ -13,8 +13,11 @@ steps:
   - name: docker build and push
     image: plugins/docker
     settings:
-      repo: 192.168.1.172/khwezi/sampleapi 
-      registry: 192.168.1.173:3005
-      insecure: true
+      repo: khwezi/mngomalab
+      registry: index.docker.io
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
       dockerfile: Dockerfile
       context: .