Reverse Proxy

A simple HTTP reverse proxy with in-memory request caching, written in GoLang.

Supported Features

• HTTP Proxying
• HTTP Streaming
• Trailer
• GET request caching
• OpenTelemetry Request Tracing

Demo

1. Run the demo server

   go run ./cmd/demo --port 8000

2. Run the reverse proxy

   go run ./cmd/reverse_proxy --port 8001 --target-url http://localhost:8000

3. Send requests to the demo server through the request proxy

   # JSON Endpoint:
   curl -i --raw http://localhost:8001/json
   # HTTP/1.1 200 OK# Content-Length: 2# Content-Type: application/json# Date: Thu, 09 Sep 2021 18:18:54 GMT# X-Proxy-Cached: false## {}# Streaming Endpoint
   curl -i --raw http://localhost:8001/stream
   # HTTP/1.1 200 OK# Date: Thu, 09 Sep 2021 18:21:20 GMT# X-Proxy-Cached: false# Transfer-Encoding: chunked## 5# hello# 5# hello# 5# hello# 5# hello# 5# hello# 0# Trailer Endpoint
   curl -i --raw http://localhost:8001/trailer
   # HTTP/1.1 200 OK# Content-Type: text/plain; charset=utf-8# Date: Thu, 09 Sep 2021 18:22:54 GMT# Trailer: Atend1,Atend2,Atend3# X-Proxy-Cached: false# Transfer-Encoding: chunked## 4e# This HTTP response has both headers before this text and trailers at the end.## 0# Atend1: value 1# Atend2: value 2# Atend3: value 3