https://app.codecrafters.io/courses/http-server/overview

python -m app.main --directory files

Stage 2: Respond with 200

http localhost:4221

HTTP/1.1 200 OK

Stage 3: Respond with 404

http localhost:4221/404

HTTP/1.1 404 Not Found

Stage 4: Respond with content

http localhost:4221/echo/abc

http localhost:4221/
HTTP/1.1 200 OK
Content-Length: 3
Content-Type: text/plain

abc

Stage 5: Parse headers

http localhost:4221/user-agent

HTTP/1.1 200 OK
Content-Length: 12
Content-Type: text/plain

HTTPie/3.2.2

Stage 6: Concurrent connections

nc localhost 4221

Stage 6: Get a file

http localhost:4221/files/foo.txt

HTTP/1.1 200 OK
Content-Length: 3
Content-Type: application/octet-stream

bar

Stage 7: Post a file

cat files/foo.txt | http POST localhost:4221/files/bar.txt

HTTP/1.1 201 Created