Error: Cannot find module 'express-session' when deploying to Heroku Error: Cannot find module 'express-session' when deploying to Heroku heroku heroku

Error: Cannot find module 'express-session' when deploying to Heroku


ruby-on-rails node.js heroku express dependencies

Adding express-session to package.json solved my problem. 

"express-session": "1.14.2"

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