Tools to build CTRP-AUM in docker containers.

• RAILS_ENV=development
  • valid values: development production qa test
• GITHUB_TAG=develop

cp ctrp-env.sh.in ctrp-env.sh

Then customize ctrp-env.sh before running startup script(s).

• use phusion/passenger-ruby22 as a base image instead of ubuntu:14.04
  • contains functional init process
  • avoids PID 1 zombie reaping problem and associated memory leaks
  • already contains most of the software prerequisites
  • is actively maintained and developed by Phusion, makers of Passenger
  • eliminates unnecessary daemons and system processes
• make use of environmental variables as much as possible
• abstract out build env rather than specialized Dockerfile for each one
• put sensible defaults in ctrp-env.sh.in and have user customize
• mysecretpassword is not the real password but set in ctrp-env.sh
• ctrp-env.sh is excluded from Github
• load database from application container
  • makes it easy to use postgres running on host instead
  • makes it easy to use Enterprise postgres instead
  • postgres container does not require special Dockerfile
• manual_phusion.txt notes from sample manual build with phusion/passenger-ruby22