Building a Production App with 150,000 Lines of AI-Generated Elixir Code: Lessons Learned
By
InternetGiant
Slow-proofed and worth the wait. Worth its weight in flour.
Summary
The article details the experience of developing BoothIQ, a lead retrieval app for trade shows, using 150,000 lines of Elixir code written entirely by AI (Claude Code). The author shares insights on what worked well with AI-assisted coding in Elixir, including the language's small size and consistency making it ideal for AI generation, as well as challenges like debugging AI-generated code and managing complex state. Key takeaways include Elixir's suitability for AI coding due to its functional nature and pattern matching, the importance of human oversight for debugging, and practical lessons learned from a year of full-time AI-assisted development.
Key quotes
· 5 pulledElixir is a small language. Few operators. Small standard library. Only so many ways to cont
AI writes 100% of our code. We have 150,000 lines of vibe coded Elixir running in production.
Here's what worked and what didn't.
Follow-up: Claude Code in Anger, my Claude Code best practices after a year of full-time AI-assisted coding.
150,000 lines of production Elixir, written entirely by AI. What worked, what broke, and why Elixir is a great fit for AI coding agents like Claude Code.
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