~/.docker/config.json - Docker default proxy config for user

config.json

{
        "auths": {
                "https://index.docker.io/v1/": {
                        "auth": "adsdadaadddadds"
                }
        },
        "HttpHeaders": {
                "User-Agent": "Docker-Client/18.09.4 (linux)"
        },

        "proxies":
        {
         "default":
                {
                "httpProxy": "http://10.0.0.10:80",
                 "httpsProxy": "http://10.0.0.10:80",
                 "noProxy": "localhost,127.0.0.1,.bu.edu,.ad.bu.edu,128.197.,10.,172."
                }
        }
}