一个是缺少mysql的开发包
sudo apt-get install libmysqld-dev
还有一个报错如下
debian ExecJS::RuntimeUnavailable: Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes.
要么自己下载nodejs的包,要么在gemfiles里面添加
gem 'execjs' gem 'therubyracer'