Update mysql to be smaller, based on the official binary releases, and to do GPG signature verification of the downloads
Update postgres with proper UTF-8 locale (thus enabling UTF-8 defaults), and shrink each image from ~244 MB down to ~214 MB
Update rails with separate "onbuild" tag and smaller main image size
Add "ubuntu-debootstrap:devel" image that tracks the "devel" rolling suite in /etc/apt/sources.list
Merge pull request #164 from infosiftr/rails

Update rails with separate "onbuild" tag and smaller main image size
Merge pull request #165 from tianon/ubuntu-debootstrap

Add "ubuntu-debootstrap:devel" image that tracks the "devel" rolling suite in /etc/apt/sources.list
Merge pull request #163 from infosiftr/postgres

Update postgres with proper UTF-8 locale (thus enabling UTF-8 defaults),...
Merge pull request #162 from infosiftr/mysql

Update mysql to be smaller, based on the official binary releases, and to do GPG signature verification of the downloads