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rails-authentication-from-scratch
A step-by-step guide on how to build your own authentication system in Rails from scratch.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
This looks promising and I'd love to have the full control on my application. And recently I went through this repo https://github.com/stevepolitodesign/rails-authentication-from-scratch with a lot of details on how Devise works under the hood. It makes it really easy to understando all the different chunks of code and how the work all together.
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