Feat/#1 CI/CD 구축 및 Netflix Eureka Client(Gateway) 설정

.github/workflows/cd-dev.yaml

@@ -0,0 +1,28 @@
+name: gateway-service dev CD 파이프라인
+
+on:
+  workflow_run:
+    workflows: ["gateway-service CI pipeline"]
+    types:
+      - completed
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    environment: dev
+    permissions:
+      contents: read
+
+    steps:
+      - name: Docker 이미지 dev 서버 배포
+        uses: appleboy/ssh-action@master
+        with:
+          host: ${{secrets.DEV_HOST}}
+          username: ${{secrets.DEV_USERNAME}}
+          key: ${{secrets.DEV_KEY}}
+          script: |
+            cd /home/ubuntu
+            docker rm -f gateway-service-dev || true
+            docker compose pull gateway-service-dev
+            docker compose up -d --no-deps --force-recreate --pull always gateway-service-dev
+            docker image prune -f

.github/workflows/cd-prod.yaml

@@ -0,0 +1,28 @@
+name: gateway-service prod CD 파이프라인
+
+on:
+  workflow_run:
+    workflows: ["gateway-service CI pipeline"]
+    types:
+      - completed
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    environment: dev
+    permissions:
+      contents: read
+
+    steps:
+      - name: Docker 이미지 dev 서버 배포
+        uses: appleboy/ssh-action@master
+        with:
+          host: ${{secrets.PROD_HOST}}
+          username: ${{secrets.PROD_USERNAME}}
+          key: ${{secrets.PROD_KEY}}
+          script: |
+            cd /home/ubuntu
+            docker rm -f gateway-service-prod || true
+            docker compose pull gateway-service-prod
+            docker compose up -d --no-deps --force-recreate --pull always gateway-service-prod
+            docker image prune -f

.github/workflows/ci.yaml

@@ -0,0 +1,46 @@
+name: gateway-service CI pipeline
+
+on:
+  push:
+    branches:
+      - dev
+  pull_request:
+    branches:
+      - dev
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    environment: production
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: jdk 설정
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+          cache: 'gradle'
+
+      - name: Gradle Wrapper 권한 부여
+        run: chmod +x gradlew
+
+      - name: gradle 빌드
+        run: ./gradlew clean build
+
+      - name: 도커 로그인
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_ACCESS_TOKEN }}
+
+      - name: 이미지 빌드 및 푸시
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          tags: ${{ secrets.DOCKER_USERNAME }}/unionmate-gateway-service:latest
+          push: true

Dockerfile

@@ -0,0 +1,5 @@
+FROM openjdk:21-jdk
+
+COPY build/libs/*SNAPSHOT.jar app.jar
+
+ENTRYPOINT ["sh", "-c", "java ${JAVA_OPTS} -Dspring.profiles.active=${PROFILE} -jar /app.jar"]

build.gradle

@@ -23,11 +23,14 @@ ext {
 }
 
 dependencies {
-	implementation 'org.springframework.boot:spring-boot-starter-web'
-	implementation 'org.springframework.cloud:spring-cloud-starter-gateway-server-webmvc'
 	implementation 'org.springframework.cloud:spring-cloud-starter-netflix-eureka-client'
+	implementation 'org.springframework.boot:spring-boot-starter-webflux'
+	implementation 'org.springframework.cloud:spring-cloud-starter-gateway'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+
+	//swagger
+	implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.8.8'
 }
 
 dependencyManagement {

src/main/java/com/unionmate/gateway_service/GatewayServiceApplication.java

@@ -2,6 +2,10 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.client.loadbalancer.LoadBalanced;
+import org.springframework.context.annotation.Bean;
+import org.springframework.web.client.RestClient;
+import org.springframework.web.reactive.function.client.WebClient;
 
 @SpringBootApplication
 public class GatewayServiceApplication {
@@ -10,4 +14,15 @@ public static void main(String[] args) {
 		SpringApplication.run(GatewayServiceApplication.class, args);
 	}
 
+	@Bean
+	@LoadBalanced
+	public WebClient.Builder loadBalancedWebClientBuilder() {
+		final WebClient.Builder builder = WebClient.builder();
+		return builder;
+	}
+
+	@Bean
+	public RestClient.Builder restClientBuilder() {
+		return RestClient.builder();
+	}
 }

src/main/java/com/unionmate/gateway_service/global/SecurityConfig.java

@@ -0,0 +1,28 @@
+package com.unionmate.gateway_service.global;
+
+import java.util.Arrays;
+import java.util.List;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.cors.CorsConfiguration;
+import org.springframework.web.cors.reactive.CorsWebFilter;
+import org.springframework.web.cors.reactive.UrlBasedCorsConfigurationSource;
+
+@Configuration
+public class SecurityConfig {
+	@Bean
+	public CorsWebFilter corsWebFilter() {
+		CorsConfiguration config = new CorsConfiguration();
+		config.setAllowedOrigins(List.of("http://localhost:3000"));
+		config.setAllowedMethods(Arrays.asList("HEAD", "GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS"));
+		config.setAllowCredentials(true);
+		config.setAllowedHeaders(List.of("*"));
+		config.setExposedHeaders(List.of("Authorization", "Authorization-refresh"));
+
+		UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
+		source.registerCorsConfiguration("/**", config);
+
+		return new CorsWebFilter(source);
+	}
+}

src/main/java/com/unionmate/gateway_service/global/gateway/GatewayConfiguration.java

@@ -0,0 +1,32 @@
+package com.unionmate.gateway_service.global.gateway;
+
+import org.springframework.cloud.gateway.route.RouteLocator;
+import org.springframework.cloud.gateway.route.builder.RouteLocatorBuilder;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+import org.springframework.http.HttpHeaders;
+
+@Configuration
+@Profile({"local","dev","prod"})
+public class GatewayConfiguration {
+
+	@Bean
+	public RouteLocator customRouteLocator(RouteLocatorBuilder builder) {
+		return builder.routes()
+			// 인증 필요 없는 라우트
+			.route("backend_route", r -> r.path("/**")
+				.filters(f -> f
+					.removeRequestHeader(HttpHeaders.COOKIE)
+				)
+				.uri("lb://backend-service"))
+
+			//스웨거를 위한 라우트 설정(각 서비스마다 등록해줘야 합니다.)
+			.route("backend-service_api_docs", r -> r.path("/api-docs/backend/**")
+				.filters(f -> f
+					.rewritePath("/api-docs/backend/(?<rem>.*)", "/${rem}")
+				)
+				.uri("lb://backend-service"))
+			.build();
+	}
+}

src/main/resources/application-dev.yml

@@ -0,0 +1,24 @@
+server:
+  port: 8000
+
+spring:
+  main:
+    web-application-type: reactive
+  application:
+    name: gateway-service
+
+eureka:
+  client:
+    fetch-registry: true
+    register-with-eureka: true
+    service-url:
+      defaultZone: http://3.34.87.16:8761/eureka
+
+springdoc:
+  api-docs:
+    enabled: true
+  swagger-ui:
+    path: /swagger-ui.html
+    urls:
+      - name: backend-service
+        url: /api-docs/backend/v3/api-docs

src/main/resources/application-local.yml

@@ -0,0 +1,24 @@
+server:
+  port: 8000
+
+spring:
+  main:
+    web-application-type: reactive
+  application:
+    name: gateway-service
+
+eureka:
+  client:
+    fetch-registry: true
+    register-with-eureka: true
+    service-url:
+      defaultZone: http://localhost:8761/eureka
+
+springdoc:
+  api-docs:
+    enabled: true
+  swagger-ui:
+    path: /swagger-ui.html
+    urls:
+      - name: backend-service
+        url: /api-docs/backend/v3/api-docs

src/main/resources/application-prod.yml

@@ -0,0 +1,25 @@
+server:
+  port: 8000
+
+spring:
+  main:
+    web-application-type: reactive
+  application:
+    name: gateway-service
+
+eureka:
+  client:
+    fetch-registry: true
+    register-with-eureka: true
+    service-url:
+      defaultZone: http://discovery-service-prod:8761/eureka
+
+springdoc:
+  api-docs:
+    enabled: true
+  swagger-ui:
+    path: /swagger-ui.html
+    urls:
+      - name: backend-service
+        url: /api-docs/backend/v3/api-docs
+