Thank you. Actually, I fixed it earlier by reinstalling node packages and creating a new Heroku app. It started to work after that updates without doing anything in the code. I appreciate your response. The mistakes you pointed out will be useful in the future though.
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Thank you. Actually, I fixed it earlier by reinstalling node packages and creating a new Heroku app. It started to work after that updates without doing anything in the code. I appreciate your response. The mistakes you pointed out will be useful in the future though.