to change username and password
sudo htpasswd -c /etc/squid/passwords username_you_like
copy /etc/squid/passwords /root/conf
docker-compose build
/etc/squid/squid.conf
auth_param basic program /usr/lib/squid/digest_pw_auth /etc/squid/passwords
auth_param basic realm proxy
acl authenticated proxy_auth REQUIRED
http_access allow authenticated