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In nodejs, nodal is a "Node.js" server platform and framework. Nodal is based on a robust and extensible API architecture for data storage and retrieval, which makes it easy to develop API services.

This article operating environment: Windows10 system, nodejs version 12.19.0, Dell G3 computer.

What does "nodal" in nodejs mean?

Nodal is a Node.js server platform and framework that allows you to easily develop API services. As more and more platforms (Web, Mobile, IoT) evolve, we need to start thinking about back-end architecture using a service-oriented approach, rather than hindsight.

The goal of Nodal is to build an encyclopedia around Node.js so that any developer, novice or veteran, back-end or front-end, can join in and start easily creating Web applications.

Nodal has built-in PostgreSQL support, often uses modern ES6 syntax and idioms, and encourages fairly strict software design patterns. This allows Nodal to make a series of decisions for you so that you can build and deploy applications more confidently and quickly. Start writing code that powers your product faster and let Nodal take on the heavy work.

Nodal is a Web server and preferred framework for building data operations-centric (create, read, update, destroy) API services for Web, mobile, or Internet of things applications in Node.js.

Overview

Nodal is based on the idea of a robust, extensible data storage and retrieval API architecture. It is an independent, clear, used, and highly scalable full-service framework that considers all difficult decisions for you and your team. This allows you to focus on creating an effective product in a short period of time while minimizing technical debt.

The Nodal server does not mean that it is a single server. They are stateless and distributed and are designed to serve your needs and interface with your data layer effortlessly. Although you can output any data format using Nodal, it is recommended that you uninstall things such as static page rendering to other optimization services such as CDN.

Stateless dogma

It is worth noting that Nodal is designed for stateless API services. This means that you should not rely on memory in a particular process to serve multiple requests, and Nodal will use process clustering (even in development) to actively prevent this practice. If you need to use unstructured data for rapid prototyping, connect Nodal to the PostgreSQL database and use the "JSON" field type. If you start trying to use in-process memory in different requests, you will find yourself in a lot of trouble.

Remember: one input, one output. The side effects of dealing with the state of the model should be addressed through your database. Nodal should not be used for streaming (long polling) requests, and HTTP request and response objects are deliberately confused.

This also means that you can't rely on socket connections. If you need to add real-time functionality to your application, there should be a separate server to do the job. It can dock with your Nodal API server or even receive events from it, but your API server should not have a stateful (long) connection with any client.

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