Ansible offers a simple architecture that doesn't require special software to be installed on nodes. It also provides a robust set of features and built-in modules which facilitate writing automation scripts. This gui...

In Node.js, a module is a collection of JavaScript functions and objects that can be used by external applications. In this tutorial, you will create a Node.js module organized with npm that suggests what color web de...

Ansible offers a simple architecture that doesn't require special software to be installed on nodes. It also provides a robust set of features and built-in modules which facilitate writing automation scripts. This gui...

The Node.js Package Manager (npm) is the default and most popular package manager in the Node.js ecosystem, and is primarily used to install and manage external modules in a Node.js project. In this tutorial, you will...

In this tutorial, we will cover setting up a production-ready Node.js environment that is composed of two CentOS 7 servers; one server will run Node.js applications managed by PM2, while the other will provide users w...

In this tutorial, you’ll build an address book API service with Node.js and use Semaphore to test, build, and deploy it to DigitalOcean Kubernetes and DigitalOcean Managed PostgreSQL.

The Node.js Read-Eval-Print-Loop (REPL) is an interactive shell that processes Node.js expressions. The shell reads JavaScript code the user enters, evaluates the result of interpreting the line of code, prints the re...

Node.js is a JavaScript platform for general-purpose programming that allows users to build asynchronous network applications quickly. By leveraging JavaScript on both the front and backend, Node.js can make web appli...

Node.js is a popular open-source runtime environment that can execute JavaScript outside of the browser using the V8 JavaScript engine, which is the same engine used to power the Google Chrome web browser's JavaScript...

In this guide, you will configure an active-active MariaDB Galera cluster. For demonstration purposes, you will configure and test three Debian 10 Droplets that will act as nodes in the cluster. MariaDB is an open sou...

In this guide, you will configure an active-active MariaDB Galera cluster. For demonstration purposes, you will configure and test three Debian 9 Droplets that will act as nodes in the cluster. MariaDB is an open sour...

Node.js is an open-source JavaScript runtime environment for building server-side and networking applications. In this tutorial, you will set up a production-ready Node.js environment on a single Debian 10 server.

In this guide, you will configure an active-active MariaDB Galera cluster. For demonstration purposes, you will configure and test three CentOS 7 Droplets that will act as nodes in the cluster. MariaDB is an open sour...

In this guide, you will configure an active-active MariaDB Galera cluster. For demonstration purposes, you will configure and test three Ubuntu 18.04 Droplets that will act as nodes in the cluster. MariaDB is an open ...

A service mock is code that simulates a service that is not yet available in order to test an application. In this guide, you will build two flexible service-mocking applications using Node.js and Mountebank. After th...

In this tutorial you'll build and deploy a GraphQL server with Node.js that can query and mutate data from a MongoDB database that is running on Ubuntu 18.04. At the end of this tutorial, you'll be able to access data...

This tutorial will show you how to migrate your Docker Compose workflow to Kubernetes using kompose. You will start by creating a single-instance setup for a Node.js application with a MongoDB database on a Kubernetes...

TensorFlow is open-source machine learning software used to train neural networks.TensorFlow's neural networks are expressed in the form of stateful dataflow graphs. Each node in the graph...

In the process of working with Node.js, you may find yourself developing a project that stores and queries data. This tutorial will show you how to integrate MongoDB with an existing Node application. This process wil...

Secure your containerized Node.js application by following this tutorial, which shows you how to deploy a Node.js application with an Nginx reverse proxy using Docker Compose. You will obtain certificates for your app...