sovanlandy2

# Validate the length of the string

validates_length_of :username, :minimum => 5, :maximum => 255, :allow_blank => false

# or
validates :password, :length => { :minimum => 6 }, allow_blank: true

# Validate paperclip attachment

validates_attachment :profile_image,

sovanlandy2

heroku config:add RAKE_ENV=staging --remote staging
heroku config:add RAILS_ENV=staging --remote staging

# if you have parity gem installed: 

staging config:add RAKE_ENV=staging
staging config:add RAILS_ENV=staging

# check out parity gem, designed specifically for heroku https://github.com/croaky/parity