Разбил по модулям и добавил Circuit Breaker

Server/pom.xml

@@ -0,0 +1,59 @@
+<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.3.0</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>ru.ldeloff</groupId>
+    <artifactId>Server</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>Server</name>
+    <description>Server</description>
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-configuration-processor</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

Server/src/main/java/ru/ldeloff/server/ServerApplication.java

@@ -0,0 +1,13 @@
+package ru.ldeloff.server;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class ServerApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(ServerApplication.class, args);
+    }
+
+}

Server/src/main/java/ru/ldeloff/server/controller/ModelController.java

@@ -0,0 +1,15 @@
+package ru.ldeloff.server.controller;
+
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+import ru.ldeloff.server.model.Model;
+
+@RestController
+public class ModelController {
+    @PostMapping(value = "/models")
+    public Model test2(Model model) {
+        int id = model.getId();
+        model.setId(id + 1000000);
+        return model;
+    }
+}

Server/src/main/java/ru/ldeloff/server/model/Model.java

@@ -0,0 +1,19 @@
+package ru.ldeloff.server.model;
+
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+
+@Getter
+@Setter
+@ToString
+@NoArgsConstructor
+public class Model {
+    private int id;
+    private long time;
+    public Model(int id) {
+        this.id = id;
+        this.time = System.currentTimeMillis();
+    }
+}

Server/src/main/resources/application.yml

@@ -0,0 +1,6 @@
+server:
+  port: 3000
+spring:
+  application:
+    name: Server
+

Server/src/test/java/ru/ldeloff/server/ServerApplicationTests.java

@@ -0,0 +1,13 @@
+package ru.ldeloff.server;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class ServerApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}