I'm working on a full-stack application using a FastAPI (Python) backend and Nuxt 4 frontend (with Expo for mobile). A fully featured chat system is crucial for my app, similar to Telegram, which includes direct messaging, group rooms, typing indicators, read receipts, and the ability to share files and images.
I'm weighing a few options:
1. Stick with my custom build, which I own fully and fits my tech stack seamlessly, but I'd be responsible for all maintenance.
2. Consider Tinode, which is an open-source alternative, but it's written in Go while my stack is Python, making maintenance trickier.
3. Explore Matrix/Synapse, which is powerful but feels like excessive infrastructure for my needs.
I have some concerns about building from scratch, like potential edge cases I might miss (like message ordering and offline handling), the time commitment required with other parts of the app still to build, the risk of security vulnerabilities, and just the overall headache of it all. On the flip side, I worry about how painful deep customizations could be when using existing solutions, being stuck with foreign code, and potential vendor lock-in, even for self-hosted options.
The app isn't expected to scale like Twitter—just a moderate user base on my own server. For those who have experience integrating chat functionality, what would you recommend? Are there any other libraries or approaches I might be overlooking?
4 Answers
One big thing to remember is the complexity of real-time communication, especially with features like message ordering and delivery guarantees. I dealt with similar decisions when creating Staxless. Building everything yourself can quickly turn into a time sink. I'd recommend exploring pre-built solutions that can handle the heavy lifting of infrastructure. It might save you a lot of time and let you focus on the unique features of your app, especially since chat is core to your vision.
From my experience building a Discord-like app, I've learned that deploying features gradually is key. Start with the basics like direct messaging and group chats, then let users suggest what features they want next.
You're in for a long journey if you decide to build it from scratch. Just a heads up!
I think a hybrid approach could serve you well. Use an existing chat backend like Tinode or Matrix, but develop your own client and integration layer around it. This way you save yourself from reinventing the wheel with complex messaging infrastructure, while still having control over the user experience and functionality. Only go for a custom build if chat is the main focus of your product or requires very specific features.
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