Chat Backend

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This project is part of the liveProject series WebSocket-based Chat Backend in Go
basic Go • Gorilla WebSocket library
skills learned
creating a WebSocket server • uploading files to an object storage service • verifying functionality using tests
Amit Saha
1 week · 4-6 hours per week · BEGINNER
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liveProject This project is part of the liveProject series WebSocket-based Chat Backend in Go liveProjects give you the opportunity to learn new skills by completing real-world challenges in your local development environment. Solve practical problems, write working code, and analyze real data—with liveProject, you learn by doing. These self-paced projects also come with full liveBook access to select books for 90 days plus permanent access to other select Manning products. $19.99 $29.99 you save $10 (33%)
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In this liveProject, you’ll create advanced functionality for a chat application, allowing users to upload files during a text chat. You’ll use the WebSockets framework to receive requests from browsers and set up WebSocket connections that let customer support teams chat with customers. Challenges include implementing the file upload support, and writing tests to ensure the end-to-end functionality is high-quality and bug-free.

This project is designed for learning purposes and is not a complete, production-ready application or solution.

book resources

When you start your liveProject, you get full access to the following books for 90 days.

project author

Amit Saha
Amit Saha is a software engineer at Atlassian, located in Sydney, Australia. He has written Practical Go: Building Scalable Network and Non-Network Applications (Wiley, 2021), Doing Math with Python: Use Programming to Explore Algebra, Statistics, Calculus, and More! (No Starch Press, 2015) and Write Your First Program (PHI Learning, 2013). His other writings have been published in technical magazines, conference proceedings, and research journals. He can be found online at


This liveProject is for Go programmers who are comfortable with the language’s basics. To begin this liveProject, you will need to be familiar with the following:

  • Basic Go
  • Basic Javascript, HTML, and CSS
  • Basic Gorilla WebSocket library

you will learn

In this liveProject, you’ll implement a WebSocket backend as well as command line WebSocket clients that can verify functionality. You’ll use the Go Cloud Development Kit to upload files to a locally running object storage service, and create an HTTP server which will serve files from memory.

  • Create a WebSocket server
  • Upload files to an object storage service
  • Verify functionality using tests


You choose the schedule and decide how much time to invest as you build your project.
Project roadmap
Each project is divided into several achievable steps.
Get Help
While within the liveProject platform, get help from other participants and our expert mentors.
Compare with others
For each step, compare your deliverable to the solutions by the author and other participants.
book resources
Get full access to select books for 90 days. Permanent access to excerpts from Manning products are also included, as well as references to other resources.