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otp authentication node js

Hello. In this tutorial, we will create a simple node js application and implement an otp authentication login mechanism. Once the otp will be verified an access token will be generated that can be further used to access the secure api’s. 1. Introduction Authentication and authorization are the key features of any application. Authentication provides access while authorization specifies what ...

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Google authentication Nodejs and Passport

Hello. In this tutorial, we will understand and implement the google sign-in integration with the nodejs application using passport and passport-google-oauth2 modules. 1. Introduction Passport.js is an authentication middleware designed for Nodejs. passport-local uses the passport strategy for authenticating with a username and password. The module helps to authenticate using a username and password in the nodejs applications. If you ...

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Query in graphql

Bipartite Graph

Hello readers. In this tutorial, we will understand and implement the query in graphql. 1. Introduction GraphQL is an API syntax that defines how to fetch data from one or more databases. It was developed by Facebook to optimize the RESTful api calls. It is a data query and manipulation language for api’s. It is faster, simple, and easier to ...

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Mutations in graphql

Bipartite Graph

Hello readers. In this tutorial, we will understand and implement mutations in graphql. 1. Introduction GraphQL is an API syntax that defines how to fetch data from one or more databases. It was developed by Facebook to optimize the RESTful API calls. It is a data query and manipulation language for API’s. It is faster, simple, and easier to implement ...

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Nodejs and graphql

Hello readers. In this tutorial, we will implement GraphQL with nodejs and focus on creating a hello world application. 1. Introduction GraphQL is an API syntax that defines how to fetch data from one or more databases. It was developed by Facebook to optimize the RESTful API calls. It is a data query and manipulation language for API’s. It is ...

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Message Queueing in Node.js with AWS SQS

Hello. This tutorial will understand AWS SQS and create a simple nodejs application to send and receive messages to/from the queue. 1. Introduction AWS SQS represents the simple queue service in the Amazon ecosystem. This service: Enables a user to store the messages (up to 256 KB in any format such as JSON, XML, etc) in the queue while waiting ...

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