squidproxy docker setup for squid proxy version: "3" services: proxy: image: ubuntu/squid environment: TZ: UTC ports: - "3128:3128" volumes: - ./clean_squid.conf:/etc/squid/squid.conf - ./squid_password:/etc/squid/squid_password restart: always To install apache2-utils in order to add user/password for basic and ntlm auth apt update apt install apache2-utils htpasswd -c /etc/squid/squid_password tester add your pw and confirm (password1) test it by entering: /usr/lib/squid/basic_ncsa_auth /etc/squid/squid_password then enter and you should get an OK validating your file is g2g https://simplificandoredes.com/en/squid-user-authentication/ service squid restart