Yet Another Blog

When we write JSON API with spring boot, we often need to customize which fields should be included in our response JSON and which should not. For example, suppose we've a Model like the following: public class User {     private Long id;     private String name;     private String password;     private List<String> children;     // getters and setters here } Now we've the following controller: @RestController @RequestMapping("/api/users") public class UserController {     @GetMapping     public List<User> userList(){         User user = new User();         user.setId(10L);         user.setName("Rafiqunnabi Nayan");         user.setPassword("abcd");         user.setChildren(Arrays.asList("Child 1", "Child 2"));         return Arrays.asList(user);     }     @GetMapping("{id}")     public User userDetails(@PathVariable Long id){         User user = new User();         user.set

Suppose we have to deploy 3 python applications on a Ubuntu server. The applications and their python versions are as follows: 1. Analytics application (analytics.example.com): python2 2. Android API (android.example.com): python3.5 3. Auth API (auth.example.com): python3.6 What will be the solution? How can we run 3 different python applications on 3 different python versions on same machine? Here is a simple solution to achieve this goal. I'm assuming you know about python virtual environments and wsgi. If not Google will help you on this. The following steps should work with most of Ubuntu versions. Here are our plans to achieve our goal: 1. We'll create 3 separate virtual environment to run these applications 2. We'll use gunicorn inside these virtual environments to run these applications on 3 different ports e.g. 8001, 8002, 8003 3. We'll use supervisor to start, stop and monitor these 3 applications running on gunicorn Lets assume we've the co