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3: Backend
- 1.Backend refers to non-client computers that perform logic, store and serve data
- 2.Servers are computers without a screen that receive requests from clients and respond with data
- 3.SQL is the language for querying relational databases; PostgreSQL is a popular dialect
- 4.Sequelize is an ORM (Object-Relational Mapping) that enables us to write code that generates SQL
- 5.JWT authentication is the de-facto authentication standard
- 6.Sockets allow us to transmit data and update UIs in real-time
- 7.Deploy a backend server to Heroku that can store and serve data for our frontends
We will now build the backend portion of our app architecture. Source: Rocket Academy
In Module 3: Backend we will build a backend server that performs logic, stores and serves data to our frontends using the JavaScript server framework Express.js. Our backends will use relational (tabled-based) databases (aka SQL databases, pronounced "sequel") instead of the JSON-like databases we used with Firebase. Most companies use SQL databases for the majority of their use cases because SQL can be more structured has less potential for human error.
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