[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"academy-blogs-en-1-1-all-ep-94-websocket-with-microservices-all--*":3,"academy-blog-translations-r07g821lpbow8di":84},{"data":4,"page":72,"perPage":72,"totalItems":72,"totalPages":72},[5],{"alt":6,"collectionId":7,"collectionName":8,"content":9,"cover_image":10,"cover_image_path":11,"created":12,"created_by":13,"expand":14,"id":78,"keywords":79,"locale":54,"published_at":80,"scheduled_at":13,"school_blog":76,"short_description":81,"slug":82,"status":74,"title":6,"updated":83,"updated_by":13,"views":77},"EP.94 Building a WebSocket Server That Works with Microservices","sclblg987654321","school_blog_translations","\u003Cp>As your WebSocket system grows, adopting a microservices architecture enables your platform to be more flexible, scalable, and independently manageable—especially in systems with large user bases and diverse features like Chat, Notification, or Real-time Dashboards.\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Ch2>✅ Why Use Microservices with WebSocket?\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cul>\u003Cli>Separate services by domain or feature such as \u003Ccode inline=\"\">ChatService\u003C\u002Fcode>, \u003Ccode inline=\"\">NotificationService\u003C\u002Fcode>, or \u003Ccode inline=\"\">PresenceService\u003C\u002Fcode>.\u003C\u002Fli>\u003Cli>Each service can be developed, deployed, and scaled independently.\u003C\u002Fli>\u003Cli>Reduces load and complexity on the main WebSocket server, allowing for a decoupled system design.\u003C\u002Fli>\u003C\u002Ful>\u003Cp> \u003C\u002Fp>\u003Ch2>✅ Communication Between Microservices\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cp>In a microservices environment, a Message Broker is essential for passing data between services, for example:\u003C\u002Fp>\u003Cul>\u003Cli>RabbitMQ\u003C\u002Fli>\u003Cli>Apache Kafka\u003C\u002Fli>\u003Cli>NATS\u003C\u002Fli>\u003C\u002Ful>\u003Cp> \u003C\u002Fp>\u003Cp>The WebSocket server will:\u003C\u002Fp>\u003Cul>\u003Cli>Subscribe to events from the message broker\u003C\u002Fli>\u003Cli>Broadcast messages to connected clients\u003C\u002Fli>\u003C\u002Ful>\u003Cp> \u003C\u002Fp>\u003Ch3>🔧 Go Example: Using NATS Pub\u002FSub to Broadcast Events to Clients\u003C\u002Fh3>\u003Cpre>\u003Ccode class=\"language-plaintext language-go\">func subscribeGameEvent(nc *nats.Conn, clients map[string]*websocket.Conn) {\n    nc.Subscribe(\"game.event\", func(m *nats.Msg) {\n        for _, conn := range clients {\n            conn.WriteMessage(websocket.TextMessage, m.Data)\n        }\n    })\n}\n\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp> \u003C\u002Fp>\u003Ch2>✅ Designing for Horizontal Scaling\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cul>\u003Cli>Run multiple WebSocket server instances\u003C\u002Fli>\u003Cli>Use sticky sessions or Redis-based session store to persist user context\u003C\u002Fli>\u003Cli>Connect all instances to the same message broker\u003C\u002Fli>\u003C\u002Ful>\u003Cp> \u003C\u002Fp>\u003Cpre>\u003Ccode class=\"language-plaintext language-go\">\u002F\u002F Publish to a room channel from any instance\nnc.Publish(\"chat.message.room123\", []byte(\"Hello everyone\"))\n\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp> \u003C\u002Fp>\u003Ch3>Benefits:\u003C\u002Fh3>\u003Cul>\u003Cli>Clients can connect to any instance and still receive all messages\u003C\u002Fli>\u003Cli>Supports load balancing and high availability\u003C\u002Fli>\u003C\u002Ful>\u003Cp> \u003C\u002Fp>\u003Ch2>✅ Best Practices\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cp>☑️ Separate stateless WebSocket servers from stateful services (e.g., user session or auth)\u003Cbr>☑️ Use health checks and auto-scaling for each instance\u003Cbr>☑️ Monitor latency, throughput, and error rates\u003Cbr>☑️ Implement circuit breakers and retry logic to improve fault tolerance\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Chr>\u003Cp> \u003C\u002Fp>\u003Ch2>💡 Summary\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cp>Integrating WebSocket with Microservices:\u003C\u002Fp>\u003Cp>☑️ Increases system flexibility\u003Cbr>☑️ Enables true horizontal scalability\u003Cbr>☑️ Reduces coupling between components\u003Cbr>☑️ Perfect for large-scale systems like multiplayer games, chat platforms, or real-time notification engines\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Ch2>🎯 Challenge Before the Next Episode\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cp>Try separating your WebSocket Server and Chat Service into two microservices, connected through NATS or Redis, then run a stress test with 500 concurrent users.\u003C\u002Fp>\u003Cp>Can your system handle the load? What needs improvement?\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Ch2>🔜 Coming Next: EP.95\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cp>\u003Cstrong>Deploying WebSocket Servers in the Cloud\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp>Learn how to deploy your WebSocket system in \u003Cstrong>cloud-native environments\u003C\u002Fstrong> like \u003Cstrong>Kubernetes\u003C\u002Fstrong>, implement \u003Cstrong>auto-scaling\u003C\u002Fstrong>, \u003Cstrong>TLS\u003C\u002Fstrong>, and \u003Cstrong>load balancing\u003C\u002Fstrong> for real production-grade setups.\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Cp data-start=\"498\" data-end=\"834\">\u003Cstrong>Read more\u003C\u002Fstrong>\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cp data-start=\"498\" data-end=\"834\">\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.superdev.school\u002Fblogs\u002Fcategories\u002FGolang\">\u003Cstrong>Golang The Series\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\u003C\u002Fli>\u003Cli>\u003Cp data-start=\"498\" data-end=\"834\">\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.superdev.school\u002Fblogs\u002Fcategories\u002FJS2GO\">\u003Cstrong>JS2GO\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\u003C\u002Fli>\u003Cli>\u003Cp data-start=\"498\" data-end=\"834\">\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.superdev.school\u002Fen\u002Fblogs\u002Fcategories\u002FTailwind%20CSS\">\u003Cstrong>10 Eps That Will Make You a Pro Tailwind CSS Overnight\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\u003C\u002Fli>\u003C\u002Ful>\u003Cp>\u003Cstrong>🔵 Facebook: \u003C\u002Fstrong>\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.facebook.com\u002Fsuperdev.academy.th\">\u003Cstrong>Superdev Academy\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\u003Cp>\u003Cstrong>🔴 YouTube: \u003C\u002Fstrong>\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.youtube.com\u002Fchannel\u002FUC2eI2RxcA2zbTqZyHyWIfRg\">\u003Cstrong>Superdev Academy\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\u003Cp>\u003Cstrong>📸 Instagram: \u003C\u002Fstrong>\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.instagram.com\u002Fsuperdevschool\u002F\">\u003Cstrong>Superdev Academy\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\u003Cp>\u003Cstrong>🎬 TikTok: \u003C\u002Fstrong>\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.tiktok.com\u002F@superdevacademy?lang=th-TH\">\u003Cstrong>https:\u002F\u002Fwww.tiktok.com\u002F@superdevacademy?lang=th-TH\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\u003Cp>\u003Cstrong>🌐 Website: \u003C\u002Fstrong>\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.superdevacademy.com\u002Fen\">\u003Cstrong>https:\u002F\u002Fwww.superdevacademy.com\u002Fen\u003C\u002Fstrong>\u003C\u002Fa>\u003Cstrong> \u003C\u002Fstrong>\u003C\u002Fp>","160_11zon_az7vzpk0rd.webp","https:\u002F\u002Ftwsme-r2.tumwebsme.com\u002Fsclblg987654321\u002Fq3zdozvd7fsd4zo\u002F160_11zon_az7vzpk0rd.webp","2026-03-04 08:46:26.320Z","",{"keywords":15,"locale":48,"school_blog":58},[16,23,28,33,38,43],{"collectionId":17,"collectionName":18,"created":19,"created_by":13,"id":20,"name":21,"updated":22,"updated_by":13},"sclkey987654321","school_keywords","2026-03-04 08:20:14.253Z","ah6lvy4x8qe08l5","Golang","2026-04-10 16:07:26.172Z",{"collectionId":17,"collectionName":18,"created":24,"created_by":13,"id":25,"name":26,"updated":27,"updated_by":13},"2026-03-04 08:20:11.547Z","ey3puyme01a9bsw","Go","2026-04-10 16:07:25.893Z",{"collectionId":17,"collectionName":18,"created":29,"created_by":13,"id":30,"name":31,"updated":32,"updated_by":13},"2026-03-04 08:44:32.154Z","u0s66bjop3dljau","Horizontal Scaling","2026-04-10 16:12:46.399Z",{"collectionId":17,"collectionName":18,"created":34,"created_by":13,"id":35,"name":36,"updated":37,"updated_by":13},"2026-03-04 08:46:25.885Z","dtccn2skf5p49fh","Message Broker","2026-04-10 16:13:14.073Z",{"collectionId":17,"collectionName":18,"created":39,"created_by":13,"id":40,"name":41,"updated":42,"updated_by":13},"2026-03-04 08:44:29.876Z","ozn15duk6wovj6g","Microservices","2026-04-10 16:12:46.024Z",{"collectionId":17,"collectionName":18,"created":44,"created_by":13,"id":45,"name":46,"updated":47,"updated_by":13},"2026-03-04 08:34:00.920Z","ecac9y661or1xka","WebSocket","2026-04-10 16:08:05.227Z",{"code":49,"collectionId":50,"collectionName":51,"created":52,"flag":53,"id":54,"is_default":55,"label":56,"updated":57},"en","pbc_1989393366","locales","2026-01-22 11:00:02.726Z","twemoji:flag-united-states","qv9c1llfov2d88z",false,"English","2026-04-10 15:42:46.825Z",{"category":59,"collectionId":60,"collectionName":61,"expand":62,"id":76,"views":77},"wqxt7ag2gn7xcmk","pbc_2105096300","school_blogs",{"category":63},{"blogIds":64,"collectionId":65,"collectionName":66,"created":67,"created_by":13,"id":59,"image":68,"image_alt":13,"image_path":69,"label":70,"name":71,"priority":72,"publish_at":73,"scheduled_at":13,"status":74,"updated":75,"updated_by":13},[],"sclcatblg987654321","school_category_blogs","2026-03-04 08:33:53.210Z","59ty92ns80w_15oc1implw.png","https:\u002F\u002Ftwsme-r2.tumwebsme.com\u002Fsclcatblg987654321\u002Fwqxt7ag2gn7xcmk\u002F59ty92ns80w_15oc1implw.png",{"en":71,"th":71},"Golang The Series",1,"2026-03-16 04:39:38.440Z","published","2026-04-25 02:32:15.470Z","r07g821lpbow8di",218,"q3zdozvd7fsd4zo",[20,25,30,35,40,45],"2025-09-26 02:08:42.980Z","Learn how to design a scalable WebSocket architecture that integrates with microservices using message brokers like RabbitMQ, Kafka, or NATS.","ep-94-websocket-with-microservices","2026-04-25 02:48:03.974Z",{"en":82}]