RUN gpg --import --no-tty /tmp/mpapis.asc && \
gpg --import --no-tty /tmp/pkuczynski.asc && \
curl -L https://get.rvm.io | bash -s stable && \
- /usr/local/rvm/bin/rvm install 2.5 && \
- /usr/local/rvm/bin/rvm alias create default ruby-2.5 && \
+ /usr/local/rvm/bin/rvm install 2.7 -j $(grep -c processor /proc/cpuinfo) && \
+ /usr/local/rvm/bin/rvm alias create default ruby-2.7 && \
/usr/local/rvm/bin/rvm-exec default gem install bundler --version 2.2.19
# udev daemon can't start in a container, so don't try.