How to Configure HTTP Proxies for Go Clients?

Setting Up Proxy for HTTP Client in Go

For Http client in Go, there are multiple ways to set up a proxy.

One way is to set the HTTP_PROXY environment variable, which Go will automatically use. To set the environment variable, you can use the following commands:

Bash:

export HTTP_PROXY="http://proxyIp:proxyPort"

Go:

os.Setenv("HTTP_PROXY", "http://proxyIp:proxyPort")

To create a custom HTTP client that uses a specific proxy regardless of the environment settings, use the following code:

proxyUrl, err := url.Parse("http://proxyIp:proxyPort")
myClient := &http.Client{Transport: &http.Transport{Proxy: http.ProxyURL(proxyUrl)}}

Lastly, you can also modify the default transport used by the "net/http" package to apply the proxy to all HTTP requests made in the program:

proxyUrl, err := url.Parse("http://proxyIp:proxyPort")
http.DefaultTransport = &http.Transport{Proxy: http.ProxyURL(proxyUrl)}

   

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