How to use different rails_env with nginx, passenger and redmine

Question

I need to have redmine running in combination with nginx, phusion passenger and mysql. Because of the project requires several instances of redmine, which should be realized

Answer 1

nginx passenger doesnt follow symlink of .../app/public directory many time because it expect it to be a directory not file
However you can use PASSENGER_APP_GROUP_NAME directive.
like this:-

server {
listen xxxx;
server_name redmine.xxxxx;
root /xxxxx/redmine/public;
passenger_enabled on;
rails_env production;
passenger_app_group_name devlopment;
 }

 server {
listen xxxx;
server_name redmine.xxxxx;
root /xxxxx/redmine/public;
passenger_enabled on;
rails_env production;
passenger_app_group_name production
}