How I Built FlowChat SDK: A Real-Time Customer Support Widget Using Spring Boot, React, MongoDB, and WebSockets

📰 Dev.to · Lakshan Mihiranga

Learn how to build a real-time customer support widget using Spring Boot, React, MongoDB, and WebSockets

intermediate Published 30 May 2026
Action Steps
  1. Build a Spring Boot backend to handle WebSocket connections and real-time messaging
  2. Configure MongoDB to store customer support conversations and user data
  3. Create a React frontend to render the customer support widget and handle user interactions
  4. Implement WebSockets to enable real-time communication between the client and server
  5. Test and deploy the FlowChat SDK using Docker and a cloud platform
Who Needs to Know This

This project is beneficial for full-stack developers, DevOps engineers, and customer support teams who want to implement real-time communication solutions

Key Insight

💡 Using WebSockets and a robust backend can enable real-time customer support and improve user experience

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Build a real-time customer support widget using Spring Boot, React, MongoDB, and WebSockets #FlowChatSDK #CustomerSupport

Key Takeaways

Learn how to build a real-time customer support widget using Spring Boot, React, MongoDB, and WebSockets

Full Article

Over the past few weeks, I've been building a side project called FlowChat SDK - a real-time customer...
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