Double Shot #1493

Docker, Rails & Docker Compose together in your development workflow - See how to use Docker Compose (the successor to fig).
Debride gets Whitelisting - A nice improvement to this static analysis tool designed to catch unused code.
Announcing Ruby Together - A way to channel money to Ruby infrastructure projects like gems and bundler.
Deploy without downtime - Some hints on upgrading Rails apps without shutting them down.
Artoo - Ruby development system for programming various consumer robots.