Encrypt passwords when creating User

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Hash passwords when pushing to DB

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Hashing function in user model file

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DB entry with successfully hashed password

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Used this article to code the encryption:
https://coderrocketfuel.com/article/store-passwords-in-mongodb-with-node-js-mongoose-and-bcrypt#store-a-hashed-password-in-the-database

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This article was also useful to get more information on how to approach the problem:
https://www.mongodb.com/blog/post/password-authentication-with-mongoose-part-1