Error on build

[kentenzer]

I am unable to build latest, command:

docker build -t zeta0/alpine-tor:latest .

error:

ERROR: While executing gem ... (OptionParser::InvalidOption) invalid option: --no-ri Did you mean? no-force The command '/bin/sh -c apk --update add --virtual build-dependencies ruby-bundler ruby-dev && apk add ruby-nokogiri --update-cache --repository http://dl-4.alpi nelinux.org/alpine/v3.3/main/ && gem install --no-ri --no-rdoc socksify && apk del build-dependencies && rm -rf /var/cache/apk/*' returned a non-zero code: 1