Setup netflix eureka service discovery

.github/workflows/eureka.yaml

@@ -0,0 +1,31 @@
+name: eureka
+
+on:
+  push:
+    branches:
+      - main
+      - develop
+      - feature/**
+  pull_request:
+    branches:
+      - main
+      - develop
+      - feature/**
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: oracle
+          java-version: 21
+      - name: Setup Task
+        uses: arduino/setup-task@v2
+        with:
+          version: 3.x
+          repo-token: ${{ secrets.GH_TOKEN }}
+      - name: Test eureka server
+        run: task eureka:test

README.md

@@ -4,5 +4,6 @@ Event driven microservice-based c2c ecommerce platform
 
 [![](https://github.com/dksifoua/eshop/actions/workflows/eshop.yaml/badge.svg)](https://github.com/dksifoua/eshop/actions/workflows/eshop.yaml)
 
-[![](https://github.com/dksifoua/eshop/actions/workflows/catalog.yaml/badge.svg)](https://github.com/dksifoua/eshop/actions/workflows/catalog.yaml)
 [![](https://github.com/dksifoua/eshop/actions/workflows/gateway.yaml/badge.svg)](https://github.com/dksifoua/eshop/actions/workflows/gateway.yaml)
+[![](https://github.com/dksifoua/eshop/actions/workflows/catalog.yaml/badge.svg)](https://github.com/dksifoua/eshop/actions/workflows/catalog.yaml)
+[![](https://github.com/dksifoua/eshop/actions/workflows/eureka.yaml/badge.svg)](https://github.com/dksifoua/eshop/actions/workflows/eureka.yaml)

Taskfile.yaml

@@ -3,6 +3,8 @@ version: 3
 includes:
   catalog:
     taskfile: ./catalog-service/Taskfile.yaml
+  eureka:
+    taskfile: ./eureka-server/Taskfile.yaml
   gateway:
     taskfile: ./api-gateway/Taskfile.yaml
 
@@ -17,7 +19,9 @@ tasks:
     silent: true
   test:
     desc: Test all projects
-    cmd: ./gradlew test --parallel
+    cmds:
+      - task: clean
+      - ./gradlew test --parallel
     silent: true
 
   gradle:stop:

api-gateway/build.gradle

@@ -27,6 +27,7 @@ dependencies {
     }
 
     implementation 'org.springframework.cloud:spring-cloud-starter-gateway'
+    implementation 'org.springframework.cloud:spring-cloud-starter-netflix-eureka-client'
     developmentOnly 'org.springframework.boot:spring-boot-devtools'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     testImplementation 'io.projectreactor:reactor-test'

api-gateway/src/main/resources/application.yaml

@@ -1,6 +1,11 @@
 server:
   port: 8080
 
+eureka:
+  client:
+    service-url:
+      defaultZone: ${EUREKA_URI:http://localhost:8761/eureka}
+
 spring:
   application:
     name: api-gateway

api-gateway/src/test/java/io/dksifoua/eshop/gateway/ApiGatewayApplicationTests.java

@@ -2,12 +2,18 @@
 
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.TestPropertySource;
 
 @SpringBootTest
+@TestPropertySource(properties = {
+        "eureka.client.enabled=false",
+        "eureka.client.register-with-eureka=false",
+        "eureka.client.fetch-registry=false"
+})
 class ApiGatewayApplicationTests {
 
-	@Test
-	void contextLoads() {
-	}
+    @Test
+    void contextLoads() {
+    }
 
 }

catalog-service/build.gradle

@@ -4,6 +4,10 @@ plugins {
 	id 'io.spring.dependency-management' version '1.1.6'
 }
 
+ext {
+	springCloudVersion = "2023.0.3"
+}
+
 group = 'io.dksifoua.eshop'
 version = '0.0.1-SNAPSHOT'
 
@@ -26,6 +30,7 @@ repositories {
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-data-mongodb'
 	implementation 'org.springframework.boot:spring-boot-starter-webflux'
+	implementation 'org.springframework.cloud:spring-cloud-starter-netflix-eureka-client'
 	compileOnly 'org.projectlombok:lombok'
 	developmentOnly 'org.springframework.boot:spring-boot-devtools'
 	developmentOnly 'org.springframework.boot:spring-boot-docker-compose'
@@ -38,6 +43,12 @@ dependencies {
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 }
 
+dependencyManagement {
+	imports {
+		mavenBom "org.springframework.cloud:spring-cloud-dependencies:$springCloudVersion"
+	}
+}
+
 tasks.named('test') {
 	useJUnitPlatform()
 }

catalog-service/src/main/java/io/dksifoua/eshop/catalog/handler/IndexHandler.java

@@ -8,6 +8,7 @@
 public class IndexHandler {
 
     public Mono<ServerResponse> index() {
-        return ServerResponse.ok().body(Mono.just("Welcome to eshop product category service!"), String.class);
+        String responseData = "Welcome to eshop product category service!";
+        return ServerResponse.ok().body(Mono.just(responseData), String.class);
     }
 }

catalog-service/src/main/resources/application.yaml

@@ -1,6 +1,11 @@
 app:
   base-path: /api/v1/catalog
 
+eureka:
+  client:
+    service-url:
+      defaultZone: ${EUREKA_URI:http://localhost:8761/eureka}
+
 server:
   port: 8081
 

catalog-service/src/test/java/io/dksifoua/eshop/catalog/CatalogServiceApplicationTests.java

@@ -3,13 +3,20 @@
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.context.annotation.Import;
+import org.springframework.test.context.TestPropertySource;
 
 @Import(TestcontainersConfiguration.class)
 @SpringBootTest
+@TestPropertySource(properties = {
+        "eureka.client.enabled=false",
+        "eureka.client.register-with-eureka=false",
+        "eureka.client.fetch-registry=false"
+})
 class CatalogServiceApplicationTests {
 
-	@Test
-	void contextLoads() {
-	}
+    @Test
+    void contextLoads() {
+        assert true;
+    }
 
 }

eureka-server/.gitignore

@@ -0,0 +1,37 @@
+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/

eureka-server/Taskfile.yaml

@@ -0,0 +1,19 @@
+version: 3
+
+tasks:
+  clean:
+    desc: Clean eureka server build
+    cmd: ./gradlew :eureka-server:clean
+    silent: true
+
+  run:
+    desc: Run netflix eureka server
+    cmd: ./gradlew :eureka-server:bootRun
+    silent: true
+
+  test:
+    desc: Test netflix eureka server
+    cmds:
+      - task: clean
+      - ./gradlew :eureka-server:test
+    silent: true

eureka-server/build.gradle

@@ -0,0 +1,38 @@
+plugins {
+    id 'java'
+    id 'org.springframework.boot' version '3.3.3'
+    id 'io.spring.dependency-management' version '1.1.6'
+}
+
+group = 'io.dksifoua.eshop'
+version = '0.0.1-SNAPSHOT'
+
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(21)
+    }
+}
+
+repositories {
+    mavenCentral()
+}
+
+ext {
+    set('springCloudVersion', "2023.0.3")
+}
+
+dependencies {
+    implementation 'org.springframework.cloud:spring-cloud-starter-netflix-eureka-server'
+    testImplementation 'org.springframework.boot:spring-boot-starter-test'
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+}
+
+dependencyManagement {
+    imports {
+        mavenBom "org.springframework.cloud:spring-cloud-dependencies:${springCloudVersion}"
+    }
+}
+
+tasks.named('test') {
+    useJUnitPlatform()
+}

eureka-server/settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'eureka'

eureka-server/src/main/java/io/dksifoua/eshop/eureka/EurekaServerApplication.java

@@ -0,0 +1,15 @@
+package io.dksifoua.eshop.eureka;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
+
+@SpringBootApplication
+@EnableEurekaServer
+public class EurekaServerApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(EurekaServerApplication.class, args);
+    }
+
+}

eureka-server/src/main/resources/application.yaml

@@ -0,0 +1,11 @@
+eureka:
+  client:
+    fetch-registry: false
+    register-with-eureka: false
+
+server:
+  port: 8761
+
+spring:
+  application:
+    name: eureka-server

eureka-server/src/test/java/io/dksifoua/eshop/eureka/EurekaServerApplicationTests.java

@@ -0,0 +1,14 @@
+package io.dksifoua.eshop.eureka;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class EurekaServerApplicationTests {
+
+    @Test
+    void contextLoads() {
+        assert true;
+    }
+
+}

settings.gradle

@@ -1,4 +1,5 @@
 rootProject.name = 'eshop'
 
 include('api-gateway')
-include('catalog-service')
+include('catalog-service')
+include('eureka-server')