When you are using PgBouncer with e.g. a Ruby on Rails application which uses different application_names for the PostgreSQL...

Apply Test Driven Development(TDD) to the process of building container images by defining test before writing code and automate...

There's a simple way in bolt to run commands from a file without caring about BASH escaping: # /home/user/foo.sh

Don't use exec without user parameter If you use exec without user parameter, the command will get executed as...

Like Railscasts or Ruby Tapas, but for Linux.