This is an HTTP server I built using the milestones and tests provided on codecrafters.io.

You can run the server using the bootstrapping shellscript:

./your_server.sh --directory <absolute path to serve files from> --port <port to bind to>

The routes this HTTP server handles are as follows:

• GET /: Returns an empty 200
• GET /echo/:arg: Echos the argument
• GET /user-agent: Echos the User-Agent request header
• GET /files/:name: Prints out the contents of the file at the $directory/$name
• POST /files/:name: Saves the payload as a file at $directory/$name

The design of this server is relatively straight forward.

The entry point to the server lies in server.go. Here is where we bind to the port and fire off go routines to handle requests in a loop.

Request parsing happens in request.go. We simply map the raw bytes to a struct that has the request line (i.e. first line of the request) data, a header map, and the body.

Routing and request handling logic lives in routes.go. It's just a switch statement on method + exact or prefix route URI matches.