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Developing A RESTful API With Golang And A MongoDB NoSQL Database

If you’ve been following along, you’re probably familiar with my love of Node.js and the Go programming language. Over the past few weeks I’ve been writing a lot about API development with MongoDB and Node.js, but did you know that MongoDB also has an official SDK for Golang? As of now the SDK is in beta, but at least it exists and is progressing.

The good news is that it isn’t difficult to develop with the Go SDK for MongoDB and you can accomplish quite a bit with it.

In this tutorial we’re going to take a look at building a simple REST API that leverages the Go SDK for creating data and querying in a MongoDB NoSQL database.

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Using Hapi.js, Mongoose, And MongoDB To Build A REST API

To continue on my trend of MongoDB with Node.js material, I thought it would be a good idea to use one of my favorite Node.js frameworks. Previously I had written about using Express.js with Mongoose, but this time I wanted to evaluate the same tasks using Hapi.js.

In this tutorial we’re going to develop a simple RESTful API using Hapi.js, Joi and Mongoose as the backend framework, and MongoDB as the NoSQL database. Rather than just using Hapi.js as a drop in framework replacement, I wanted to improve upon what we had previously seen, by simplifying functions and validating client provided data.

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Developing A RESTful API With Node.js And MongoDB Atlas

Most modern web applications need to be able to handle data consumption requests and data manipulation requests from clients using HTTP. It is the norm to pass JSON data between these requests so it makes sense to use a NoSQL document database because JSON and similar is the common storage format, eliminating the need to marshal data to new formats in every request.

Lucky for us, leveraging these concepts and technologies is not a difficult task.

We’re going to see how to create a RESTful API using Node.js and Express Framework that communicates to a cloud instance of MongoDB called Atlas.

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Getting Started With GraphQL Development Using Node.js

I’ve been playing around with GraphQL for a little over a month now, just to see if it is worth all the buzz it has been getting when it comes to modern API development. I must say that the more I use it, the more I’m coming to like it.

I recently wrote a few tutorials around getting started with GraphQL using Golang, but being the polyglot that I am, I wanted to see how difficult it would be to accomplish the same in something else, like Node.js. After having made an attempt, I found that it really isn’t any different as it is the same concept, just a different language.

We’re going to see how to get started with developing a web application with Node.js that can be queried with GraphQL rather than the traditional RESTful API endpoint approach.

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Getting Started With GraphQL Using Golang

I’ve been hearing increasing amounts of buzz around GraphQL, a technology that has been around for quite a few years now. In case you’re not familiar, it is a technology for querying API data from a client-front end without having to make numerous requests or receiving unimportant data, both of which may cause negative affects on network latency.

Think of trying to query a relational database. Ideally you write a SQL query for the data you want and you do it in a single request. GraphQL tries to accomplish the same, but from an API consumption level.

We’re going to see how to implement a web application using the Go programming language, but uses GraphQL when working with the data.

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Containerizing A Node.js With Express Image Processing RESTful API Using Docker

Docker is a great way to package and deploy web applications. Applications that have been containerized can easily be created, destroyed, or even moved between servers, as long as the servers are using the Docker runtime.

Not too long ago I wrote about creating a RESTful API that could process images and generate Android compliant launcher icons. This article was titled, Create an Android Launcher Icon Generator RESTful API with Node.js, and Jimp and it was powered by Express Framework. The application could be served on any properly configured server with Node.js. The catch here is that server configuration is never easy or quick.

We’re going to see how to package our web application into a container using Docker.

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Handling CORS In A Golang Web Application

If you’ve ever spent time building RESTful APIs, you’ve probably come across cross-origin resource sharing (CORS) issues at some time or another. Often clients will receive errors when trying to interact with an API from a domain or port different from the actual API. Back in the day I had written a hacky article on getting past these CORS issues by manipulating the browser settings. However, it is best to tackle these issues at the source.

We’re going to see how to change the cross-origin resource sharing configuration in a Golang web application that uses the mux package.

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