This is how to fix issue with installing mysql, with some issue with openssl. Thanks to https://github.com/spenhappenin for finding a way around. Credit where credit is due.

mysql_ssl_install_issue.md

MySQL Gem Install error

If this error keeps happening and will not install by manually installing gem install mysql2. Try the fix below.

An error occurred while installing mysql2 (0.5.1) , and bundler cannot continue.

Fix

$ gem install mysql2 -v '0.5.1' -- --with-ldflags=-L/usr/local/opt/openssl/lib --with-cppflags=-I/usr/local/opt/openssl/include

fix with bundler

$ bundle config set --global build.mysql2 --with-ldflags=-L/usr/local/opt/openssl/lib --with-cppflags=-I/usr/local/opt/openssl/include