авторTo access a proxy server on proxy.example.com port 8080, set the
HTTP_PROXY environment variable in a manner similar to this:

HTTP_PROXY=http://proxy.example.com:8080

If the proxy server requires authentication, there are two options avail-
able for passing the authentication data. The first method is by using
the proxy URL:

HTTP_PROXY=http://<user>:<pwd>@proxy.example.com:8080

The second method is by using the HTTP_PROXY_AUTH environment variable:

HTTP_PROXY=http://proxy.example.com:8080
HTTP_PROXY_AUTH=basic:*:<user>:<pwd>