# Dockerfile

RUN \
        set -xeuv &&\
        bundle --version &&\
        gem uninstall bundler &&\
        gem install -i /tmp/bundler bundler -v 2.0.1 &&\
        ls -al /tmp/bundler/gems/bundler-2.0.1/exe/bundle &&\
        /tmp/bundler/gems/bundler-2.0.1/exe/bundle --version &&\
        bundle --version


# Build Outputs

+ bundle --version
Bundler version 1.16.6
+ gem uninstall bundler
Removing bundler
Successfully uninstalled bundler-1.16.6
+ gem install -i /tmp/bundler bundler -v 2.0.1
Successfully installed bundler-2.0.1
1 gem installed
+ ls -al /tmp/bundler/gems/bundler-2.0.1/exe/bundle
-rwxr-xr-x 1 root root 949 Feb 15 13:25 /tmp/bundler/gems/bundler-2.0.1/exe/bundle
+ /tmp/bundler/gems/bundler-2.0.1/exe/bundle --version
Bundler version 1.16.2
+ bundle --version
Bundler version 1.16.2