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How to Deploy a Node.js (Express.js) App with Docker on Ubuntu 20.04

Introduction Docker is a container platform that is a lightweight, virtualized, portable, software-defined standardized environment. It allows the software to run in isolation from other software running on the physical host machine. Docker is a defining component of the Continuous Development and Integration aspect of Software Development. It offers a lightweight alternative to virtual machines and allows developers to enjoy …

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CloudSigma PaaS Platform Automatic Vertical Scaling How-to Guide

Scaling is one of the most critical features that is often missing from most cloud interfaces. CloudSigma PaaS, however, has made it a point to automatically scale any and all applications. Application scaling can be performed horizontally as well as vertically with CloudSigma which makes it one of the most flexible options currently available.  CloudSigma PaaS performs scaling by modifying …

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Facilitating Migration Across Cloud Platforms with Zero Code Change Deploy and No Vendor Lock-In: CloudSigma PaaS Guide

Vendor Lock-In Migration When it comes to making web-based applications, a lot of PaaS providers tend to make their developers use the Twelve-Factor App methodology. Other services will require you to build your application while keeping the requirements of immutable infrastructure, or proprietary runtimes and APIs in mind. In case you ever need to migrate from virtual machines to containers, …

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 Installing and Using Composer on Ubuntu 18.04

Composer is a popular PHP dependency management tool. It is primarily leveraged to assist in project dependency updates and installation. It works by checking and verifying the versions of other packages that are appropriate for project requirements and dependencies and installing them for your convenience. In this tutorial, we will walk you through the steps of installing Composer on Ubuntu …

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How to Install and Configure Git on Ubuntu 18.04

Introduction In software development, versioning is an incredibly powerful tool. It allows the developer(s) to keep track of the software at the source level. Versioning helps to keep track of changes, reverting to previous stages, and branching out to create alternate versions of files and directories. Among all the version control systems, Git is probably the most popular one. In …

Node.js Applications

Setting up Node.js Applications: How to Perform Production Tasks on Ubuntu 20.04 with Node.js

Introduction Node.js is a programming environment that runs primarily on JavaScript. The open-source program allows you to build networking applications on platforms running Windows, Linux, macOS, and others. You can use Node.js applications in two main ways: as command line apps or as services. Using a Node.js app as a service means that it will restart on reboot. This makes …

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JavaScript: a Tutorial on How to Index, Split, and Manipulate Strings

Introduction If you want to work in JavaScript, you need to be familiar with strings. A string is a sequence of characters that can be letters, numbers, or symbols. In terms of quantity, it can be one or more than one character. Each character in a string is associated with a number. This is the index number that you can …

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HAProxy and Load Balancing Concepts: the Basics

Introduction High Availability Proxy (HAProxy), is a popular open-source proxying and TCP/HTTP load balancer solution able to run on Solaris, FreeBSD, and Linux. It is most commonly used to enhance the reliability and performance of a server environment by providing a balanced distribution of workload across multiple servers. This type of tool is used in many high-profile environments like Instagram, …

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An Overview of the JSON Data Sharing Format

JavaScript Object Notation (JSON for short and pronounced much like the name ‘Jason’), is a type of data sharing format. As evidenced by its name, JSON stems from JavaScript, but it is not the sole code proprietor that permits its utilization. In fact, many other programming languages have it available for their use including Ruby, PHP, Python, and Java. When …

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Taking the Cutthroat World of Ecommerce by Storm with CTO Cloud Powered by CloudSigma

Customer Profile CartNinja helps its customers quickly create checkout pages to start selling online without the hassles of developing full-blown eCommerce sites. It is a product that provides users with a fast alternative solution to list and sell products online with ease. “We believe that eCommerce tools should be completely accessible to any aspiring online shopping business. CartNinja allows its …

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Deploy a PHP Application on a Kubernetes Cluster with Ubuntu 18.04

Kubernetes (also known as k8s) is an open-source orchestration system. It allows users to deploy, scale, and manage containerized applications with minimum downtime. In this tutorial, you will learn how to deploy a PHP Application on a Kubernetes Cluster. Nginx behaves as a proxy to PHP-FPM while running a PHP application. Managing these two services in a single container is …

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How to Install MySQL on CentOS 7

MySQL is one of the most popular database management systems for websites and server applications. For webmasters, it is an essential tool to learn. MySQL is a relational database that uses SQL (Structured Query Language) for managing its data. MySQL is commonly installed as a part of the LEMP stack that contains Linux, Nginx, MySQL/MariaDB, and PHP/Perl/Python. You should have …