Lucas Faria Mendes

Challenges

Build your own Git

using Go

Learn about git objects, plumbing commands and more

completed

Build your own Docker

using Go

Learn about kernel namespaces, chroot, the registry API and more

completed

Build your own SQLite

using Zig

Learn about SQL syntax, SQLite's file format, B-trees and more

completed

Build your own DNS server

using Go

Learn about the DNS protocol, DNS record types and more.

completed

Build your own Claude Code

using Zig

Learn about LLM APIs, tool calling, agent loops and more

completed

Build your own HTTP server

using Go

Learn about TCP servers, the HTTP protocol and more

11/14 stages

Build your own BitTorrent

using Go

Learn about .torrent files, the BitTorrent Peer Protocol and more

11/19 stages

Build your own Redis

using Go

Learn about TCP servers, the Redis protocol and more

1/115 stages

Build your own Interpreter

using Go

Learn about tokenization, ASTs, tree-walk interpreters and more.

15/84 stages

Build your own Kafka

using Go

Learn about TCP servers, the Kafka wire protocol and more.

4/25 stages

Build your own Shell

using Go and Zig

Learn about parsing shell commands, executing programs and more

51/76 stages

• Completed the Build your own Claude Code challenge using Zig

• Started the Build your own DNS server challenge using Zig

• Completed the Build your own SQLite challenge using Zig

• Started the Build your own Shell challenge using Zig

• Started the Build your own Kafka challenge using Go

• Started the Build your own SQLite challenge using Go

• Started the Build your own Interpreter challenge using Go

• Started the Build your own BitTorrent challenge using Go

• Completed the Build your own DNS server challenge using Go

• Completed the Build your own Git challenge using Go

• Started the Build your own HTTP server challenge using Go

• Started the Build your own Redis challenge using Go

• Started the Build your own Shell challenge using Go

• Started the Build your own Git challenge using Rust

• Joined CodeCrafters