melardev

class ModelDummyUser(models.Model):
    first_name = models.CharField(max_length=100)
    last_name = models.CharField(max_length=100, null=False)
    age = models.IntegerField(validators=[MinValueValidator(3), MaxValueValidator(100)])
    created_at = models.DateTimeField(auto_now_add=True, editable=False)

    def get_absolute_url(self):
        return reverse('demos-ui-createview')

melardev

# Author: melardev.com
# Youtube video: https://youtu.be/PRw2Hw7yrS0
from django.core.urlresolvers import reverse, reverse_lazy
from django.http import HttpResponseRedirect
from django.shortcuts import render

from django.views.generic.edit import CreateView

from demos.forms import *

melardev

package com.melardev.cloud.ribbon;

import com.melardev.cloud.ribbon.config.RibbonConfiguration;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.netflix.ribbon.RibbonClient;

@SpringBootApplication(scanBasePackages = "com.melardev.cloud.ribbon.controllers") //important, otherwise crash
@EnableEurekaClient

melardev

package com.melardev.cloud.ribbon.controllers;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

melardev

package com.melardev.cloud.ribbon.config;

import com.netflix.client.config.IClientConfig;
import com.netflix.loadbalancer.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class RibbonConfiguration {

melardev

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.melardev.cloud</groupId>
    <artifactId>ribbon-rest</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

melardev

spring:
  application:
    name: ribbon-service

server:
  port: 8081

rest-server:
  ribbon:
    eureka: true # By default Ribbon will get the actively running microservices from Eureka, let's disable that strategy

melardev

package com.melardev.cloud.eureka;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;

@SpringBootApplication
@EnableEurekaServer
public class EurekaApplication {

melardev

server:
  port: 8761

eureka:
  client:
    register-with-eureka: false
    fetch-registry: false
  instance:
    lease-expiration-duration-in-seconds: 2  # wait up hearbeat for microservices up to 2 sec

melardev

package com.melardev.cloud.rest.controllers;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HomeController {

    @Value("${app.id}")