how to build a node js http proxy server by

**i. understanding the fundamentals**

a proxy server acts as an intermediary between a client (e.g., web browser) and a target server. the client sends its request to the proxy, which then forwards the request to the target server. the proxy receives the response from the target server and forwards it back to the client. this architecture offers several benefits:

* **security:** hiding the client's ip address.
* **caching:** storing frequently accessed resources for faster retrieval.
* **load balancing:** distributing traffic across multiple target servers.
* **filtering:** blocking access to specific websites or content.

**ii. setting up the development environment**

4. **(optional) install a logging library:** we'll use `winston` for better logging capabilities. install it using:

**iii. code implementation**

we'll build a basic http proxy server that handles get requests. later, we'll extend it to support other methods.

**iv. explanation of the code**

1. **import modules:** we import the necessary modules: `http`, `https`, `url`, and `winston`.

2. **logger configuration:** we set up the winston logger to output logs to the console. in a production environment, you would add a file tr ...

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