Setup

1. Set your Slack API Key using environment

Publish your Slack API Token(lagacy-tokens) from https://api.slack.com/custom-integrations/legacy-tokens
Set your local environment variables referring to .env.local.sample
This project recommend using direnv. Install this and follow messages.

2. Exec bundle exec rake db:create and rails server.
3. Input your slack message format https://#{SLACK_TEAM}.slack.com/archives/#{CHANNEL_ID}/p#{MESSAGE_TIMESTAMP}
   You can get this URL from Message menu -> Copy URL.