Tutorials

Extract arrays of values or of key-value pairs using the new Object.values and Object.methods available with ES2017 (ES8).

Maps were introduced with ES6/ES2015, and they are similar to objects. Here’s an overview of using maps and the benefits over objects.

Set up a LOMP server running on Ubuntu 20.04 with PHP 8.1, MariaDB 10.7, and OpenLiteSpeed 1.7. The LiteSpeed PHP interpreter functions very quickly to serve dynamic PHP pages.

Every Docker container requires a Docker image as its base. Images are updated throughout the development process, but by default these updates must be manually pulled and applied to each running container. By pushing...

When setting up a web server, there are often sections of the site that you wish to restrict access to. Web applications often provide their own authentication and authorization methods, but the web server itself can ...

Nginx is a high performance web server capable of serving content with flexibility and power. When designing your web pages, it is often helpful to customize every piece of content that your users will see. This inclu...

This DigitalOcean Community Glossary entry provides a short introduction to serverless computing and links to related resources.

This tutorial provides an overview of best practices for rearchitecting a monolithic application to use microservices, which you can then deploy using Kubernetes, App Platform, or another serverless environment.

Serverless architecture allows backend web services to be implemented on an as-needed basis. Rather than needing to maintain your own server configuration, architecting your software for serverless providers can minim...

In Structured Query Language (SQL), a “view” is a virtual table whose contents are the result of a specific query to one or more tables. This guide provides an overview of what SQL views are and why they can be useful...

Postfix is a mail transfer agent (MTA), an application used to send and receive email. It can be configured so that it can be used to send emails by local application only. In this tutorial, you’ll install and configu...

When setting up infrastructure, getting your applications up and running will often be your primary concern. However, making your applications to function correctly without addressing the security needs of your infras...

This tutorial will go over how to work with the Console in JavaScript within the context of a browser, and provide an overview of other built-in development tools you may use as part of your web development process.

Introduction Django is a full-featured Python web framework for developing dynamic websites and applications. Using Django, you can quickly create Python web applications and rely on the framework to do a good deal of...

A glossary of technical terms for the DigitalOcean community.

In the last tutorial of this series, we will finish up our migration by transferring users, groups, mail, crontabs, and other settings over to our new server.

In the previous tutorial, we prepped our servers for data migration. At this point, your target and source system should be able to communicate (the target system should have SSH access to the source system), and you ...

In this guide, you will build a Python application using the Flask microframework on Ubuntu 22.04. The majority of this tutorial is about how to set up the Gunicorn application server to run the application and how to...

In this guide, you will learn how to set up a self-signed SSL/TLS certificate for use with an Nginx web server on an Ubuntu 22.04 server.

This guide will walk you through the process of configuring a remote MySQL database server that your website or application can connect to. It uses WordPress as a working example of something that can connect to the M...