{"id":18672624,"url":"https://github.com/dimmaryanto93/springboot2-cloud-example","last_synced_at":"2025-04-12T01:31:16.898Z","repository":{"id":107985021,"uuid":"142283144","full_name":"dimMaryanto93/springboot2-cloud-example","owner":"dimMaryanto93","description":"Belajar spring-cloud v2.0","archived":false,"fork":false,"pushed_at":"2018-07-30T09:23:57.000Z","size":4560,"stargazers_count":5,"open_issues_count":0,"forks_count":2,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-03-25T21:35:21.345Z","etag":null,"topics":["feign-client","netflix-eureka","netflix-ribbon","netflix-zuul","spring-cloud","spring-cloud-config-git","spring-cloud-microservice","spring-microservices","springboot2"],"latest_commit_sha":null,"homepage":"","language":"Java","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/dimMaryanto93.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2018-07-25T10:11:31.000Z","updated_at":"2023-10-01T03:17:15.000Z","dependencies_parsed_at":"2023-06-25T23:23:48.724Z","dependency_job_id":null,"html_url":"https://github.com/dimMaryanto93/springboot2-cloud-example","commit_stats":null,"previous_names":["dimmaryanto93/springboot2-cloud-example"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dimMaryanto93%2Fspringboot2-cloud-example","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dimMaryanto93%2Fspringboot2-cloud-example/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dimMaryanto93%2Fspringboot2-cloud-example/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dimMaryanto93%2Fspringboot2-cloud-example/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/dimMaryanto93","download_url":"https://codeload.github.com/dimMaryanto93/springboot2-cloud-example/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":248504230,"owners_count":21115135,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["feign-client","netflix-eureka","netflix-ribbon","netflix-zuul","spring-cloud","spring-cloud-config-git","spring-cloud-microservice","spring-microservices","springboot2"],"created_at":"2024-11-07T09:12:33.558Z","updated_at":"2025-04-12T01:31:15.910Z","avatar_url":"https://github.com/dimMaryanto93.png","language":"Java","readme":"# Spring Cloud Example\n\nBelajar spring-cloud for microservice architecture.\n\n## Architecture `spring-cloud`\n\n![arch spring-cloud](imgs/spring-cloud-arch.jpg)\n\n**Configuring runtime**\n\n|   application name    | the ports binding                                         |\n| :--------             | :-------                                                  |\n| config-server         | [localhost:8888](http://localhost:8888)                   |\n| sample-service        | [localhost:8080](http://localhost:8080)                   |\n| wilayah-service       | [localhost:7000,7001...](http://localhost:6000)           |\n| nasabah-service       | [localhost:6000,6001,6002...](http://localhost:6000)      |\n| eureka-naming-server  | [localhost:8671](http://localhost:8671)                   |\n| zuul api-gateway      | [localhost:8765](http://localhost:8765)\n\n## Proxy with feign \u0026 ribbon\n\nBerikut flow proxy dari service nasabah ke service wilayah: \n\n![proxy dengan ribbon](imgs/proxy-ribbon-feign.png)\n\nBiasya kalau kita call rest-api harus menanamkan url contohnya `http://localhost:8080/api/**` atau lain-lain. Nah itu hanya bekerja klo untuk satu service aja kalo ada ratusan service ??? how we can do that?\n\nDengan menggunakan fitur `spring-cloud-starter-netflix-eureka-server` kita bisa membuat proxy dengan multiple instance, kemudian untuk memanggil rest dengan menggunakan `spring-cloud-starter-openfeign`, `spring-cloud-starter-netflix-ribbon` dan `spring-cloud-starter-netflix-eureka-client` kita tidak perlu meng-hardcode lagi url tetapi hanya dengan menggunakan memanggilnya melalu ${spring.application.name} contoh implementasi di nasabah service seperti berikut:\n\n```java\n@FeignClient(name = \"wilayah-service\")\n@RibbonClient(\"wilayah-service\")\npublic interface WilayahProxy {\n\n    @GetMapping(\"/provinsi/{id}\")\n    ResponseEntity\u003cProvinsi\u003e provinsiById(@PathVariable(\"id\") Long provinsiId);\n}\n```\n\nAkan secara langsung di forward ke service wilayah.\n\n## Api gateway with `netflix-zuul`\n\nBerikut ini flow api gateway berdasarkan gambar dibawah ini:\n\n![zuul api gateway](imgs/api-gateway.png)\n\n**Schenario 1**\n\nrequest: GET [localhost:8765/nasabah_service/perorangan/10](http://localhost:8765/nasabah_service/perorangan/10)\n\n1. Zuul `api gateway` catch request dari browser, kemudian di-forward ke `eureka naming server` untuk mencari nama service atau application name yang di register ke eureka.\n2. `eureka` forward request ke [localhost:7000/perorangan/10](http://localhost:7000/perorangan/10) berdasarkan application name yaitu `nasabah_service`.\n3. Di dalam nasabah service, memanggil service lain yaitu `wilayah_service` dengan menggunakan proxy `feign client` yang mereference ke service `wilayah_service` seperti berikut penggalan codenya:\n\n    ```java\n    @FeignClient(name = \"api-gateway-zuul\")\n    @RibbonClient(name = \"wilayah-service\")\n    public interface WilayahProxy {\n    \n        @GetMapping(\"/wilayah-service/provinsi/{id}\")\n        ResponseEntity\u003cProvinsi\u003e provinsiById(@PathVariable(\"id\") Long provinsiId);\n    }\n    ```\n4. `feign client` melakukan check status dengan menggunakan `spring-boot-starter-actuator` jika status `UP` maka akan di arahkan ke service tersebut berdasarkan application name `wilayah_service`.\n5. Karena instance `wilayah_service` ada 2 service yang berjalan yaitu di port [6000](http://localhost:6000/provinsi/32) dan [6001](http://localhost:6001/provinsi/32). Maka `api gateway` akan memilih route berdasarkan algoritmanya. Contohnya app yang di forward yaitu port 6001 maka di forward ke path [localhost:6001/provinsi/32](http://localhost:6001/provinsi/32)\n6. Response dikirim kembali ke `feign client` berikut repsonse:\n    ```json\n    {\n     \"id\": 32,\n     \"name\" : \"Jawa Barat\"\n    }\n    ```\n7. Menerima response berupa json\n8. forward data nasabah + data provinsi ke `eureka naming server`\n9. forward data nasabah + data provinsi ke `api-gateway`\n10. Browser mendirima data nasabah seperti berikut:\n    ```json\n    {\n      \"id\": 10,\n      \"provinsiTinggal\": {\n          \"id\": 32,\n          \"name\" : \"Jawa Barat\"\n      }, \n      \"namaLengkap\": \"Dimas Maryanto\"\n    }\n    ```\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdimmaryanto93%2Fspringboot2-cloud-example","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdimmaryanto93%2Fspringboot2-cloud-example","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdimmaryanto93%2Fspringboot2-cloud-example/lists"}