mykingla/vote — comment on commit a49fda920fbe4f219470be67bf38e7b163de5c34
File: Gemfile line 10
By ben7th:

这里在我这里部署时需要加上两行依赖

```ruby
gem 'execjs'
gem 'therubyracer'
```

不然会有
Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable)
的问题

后面我提交一个commit里面fix即可。