I put "RAILS_ENV=production" rake about doesn't shows up production info.
deployer@proj:/var/www/proj# RAILS_ENV=production rake about
About your application's environment
Rails version 4.2.0
Ruby version 2.2.1-p85 (x86_64-linux)
RubyGems version 2.4.6
Rack version 1.6.1
JavaScript Runtime Node.js (V8)
Middleware Rack::Sendfile, Rack::Loc.......
Application root /var/www/proj
Environment development
Database adapter mysql2
Database schema version 20150615041442
I even try: export RAILS_ENV=production RAILS_ENV=production bundle exec rake db:create bundle exec rake db:create RAILS_ENV=production