Minimal docker image with Squid that only proxies authenticated requests and (optionally) only to certain domains.

Build the Docker Image

docker build -t squid-auth:1.0 .

Create the new container from the squid-auth:1.0 image

docker run -d -e PROXY_USERNAME=doug.finley -e PROXY_PASSWORD=password -p 3128:3128 squid-auth:1.0

When accessing the proxy, proxy user will be PROXY_USERNAME, and password will be whatever you set in PROXY_PASSWORD

For Example

curl --proxy-basic --proxy-user doug.finley:password --proxy http://127.0.0.1:3128 http://www.google.com

BSD