The DevOps Guide

Last Updated: November 1, 2023

This guide delivers a comprehensive overview of the DevOps landscape, starting with foundational concepts and principles. We will cover Microservices, explore infrastructure as code with Terraform, and understand the advantages of Serverless computing. Become familiar with AWS’s vast services and tools pivotal to DevOps practices. Additionally, the guide delves into an array of essential DevOps tools that streamline and enhance the continuous integration and delivery processes.

The DevOps Guide

DevOps Basics & Concepts

The issue with Monorepos

A monorepo is an arrangement where a single version control system (VCS) repository is used for all the code and projects in an organization. In this article, we will id... read more

entify some of its benefits and the giants using it. Finally, we will focus on whether a monorepo is suitable for everyone.

Why monitoring your application is important (2023 guide)

As a developer or IT professional, you understand that even the most well-built applications can encounter challenges. Performance bottlenecks, errors, and bugs can disru... read more

pt user experience and impact business operations. But fear not! The key to staying ahead of these challenges is early detection, and that's where application monitoring comes into play.

Smoke Testing Best Practices: How to Catch Critical Issues Early

Smoke testing is a powerful technique for catching critical issues early in the development process. In this article, you will learn how to identify key functionalities, ... read more

design test cases, automate tests, and integrate them into your development pipeline. By following these best practices, you can ensure a more stable and reliable application.

Ace Your DevOps Interview: Top 25 Questions and Answers

DevOps Interviews: Top 25 Questions and Answers is a guide to help you succeed in your DevOps interview. It covers commonly asked questions and provides detailed answers.... read more


Mastering Microservices: A Comprehensive Guide to Building Scalable and Agile Applications

Building scalable and agile applications with microservices architecture requires a deep understanding of best practices and strategies. In our comprehensive guide, we ex... read more

plore the process of breaking down monolithic apps, designing APIs, composing services, and optimizing software development practices. We also delve into the benefits and trade-offs of microservices versus monolithic app architecture, providing insights to help you make informed decisions. Whether you're transitioning from a monolithic architecture or looking to enhance your microservices approach, this guide will equip you with the knowledge and tools necessary for success.

Attributes of Components in a Microservice Architecture

In this article, we will explore the key attributes of components within a microservice architecture in a DevOps context. We will delve into the implementation examples o... read more

f service discovery, scalability, fault tolerance, and resilience. Additionally, we will examine the individual components of microservices, best practices, real-world examples, performance considerations, and advanced techniques. With a focus on attributes such as service independence, polyglot persistence, and service-to-service communication, this article aims to provide valuable insights for software engineers working with microservice architectures.

How to Migrate a Monolith App to Microservices

Migrate your monolithic app to microservices for a simpler, more scalable system. Learn the benefits, real-world examples, and steps to breaking down the monolith and des... read more

igning microservices. Understand communication, scaling, monitoring, security, testing, deploying, and managing microservices in production. Explore advanced techniques, using containers and orchestration, event-driven architecture, building gateways, caching strategies, and integrating with legacy systems.


Terraform Tutorial & Advanced Tips

Enhance your Terraform skills with this tutorial that provides advanced tips for optimizing your infrastructure provisioning process. From understanding infrastructure as... read more

code to working with variables and outputs, this article covers a wide range of topics to help you master Terraform. Learn how to organize your code with modules, manage state, and leverage Terraform providers for cloud provisioning. Discover best practices, explore advanced resource configuration, and gain insights into using data sources and remote backends. Whether you're new to Terraform or looking to level up your skills, this tutorial has something for everyone.

Terraform Advanced Tips for AWS

Learn advanced tips to optimize your AWS infrastructure deployments with Terraform. Improve efficiency and simplify the process with topics like managing secrets, scaling... read more

and load balancing, securing your infrastructure, and more. From setting up AWS credentials to troubleshooting and debugging, this article covers a wide range of topics to help you make the most of Terraform for AWS.

Quick and Easy Terraform Code Snippets

Managing infrastructure and deploying resources can be a daunting task, but with the help of Terraform code snippets, it can become quick and easy. This article offers a ... read more

collection of code snippets that can streamline your infrastructure management tasks. From creating and managing infrastructure to deploying applications and implementing best practices, these snippets provide ways to configure and manage resources with minimal effort. Whether you are a beginner or an experienced user, these code snippets will help you navigate Terraform with ease.

Terraform Advanced Tips on Google Cloud

Learn advanced tips and techniques for using Terraform on Google Cloud. This article provides guidance on optimizing your infrastructure deployment, including working wit... read more

h variables, using modules, implementing dependencies, managing secrets, and more. Discover how to leverage Terraform to its fullest potential and enhance your cloud infrastructure management.


How to use AWS Lambda for Serverless Computing

AWS Lambda is a powerful tool for serverless computing, allowing you to build scalable and cost-effective applications without the need to manage servers. In this beginne... read more

r's guide, you will learn how to leverage the capabilities of AWS Lambda to create applications. From setting up your environment to writing your first Lambda function, this guide covers all the essential steps to get you started. Discover how to handle triggers and event sources, manage permissions and security, optimize performance, and integrate AWS Lambda with other AWS services. With practical examples and best practices, this guide will help you unlock the full potential of AWS Lambda for your serverless applications.

How to Design and Manage a Serverless Architecture

In this concise overview, gain a clear understanding of serverless architecture and its benefits. Explore various use cases and real-world examples, as well as advanced t... read more

echniques, security considerations, and monitoring strategies. Learn how to design and manage a serverless architecture efficiently.


How to Manage and Optimize AWS EC2 Instances

Learn how to optimize your AWS EC2 instances with essential tips for cloud computing. Increase performance, reduce costs, and improve security. From getting started with ... read more

AWS EC2 to troubleshooting issues, this article covers everything you need to know to manage and optimize your EC2 instances effectively.

DevOps Tools

How to Automate Tasks with Ansible

Automating repetitive tasks is essential for saving time and effort in managing system configurations. In this article, you'll learn how to automate tasks using Ansible, ... read more

a powerful and user-friendly tool. From getting started with Ansible to managing inventories and credentials, this comprehensive guide covers everything you need to know to automate your system configurations efficiently.

Tutorial on Routing Multiple Subdomains in Nginx for DevOps

As software engineering continues to evolve, the complexity of web application deployment and testing has also increased. Traditional test environments are no longer effe... read more

ctive in the era of microservices and containers. To address this, we have developed Squash, an on-demand environment solution that provides unique virtual machines for each code branch. With seamless integration and numerous features, Squash offers a streamlined testing experience for leading organizations.

Tutorial: Configuring Multiple Apache Subdomains

Setting up multiple subdomains in Apache is an essential part of DevOps processes. This tutorial will guide you through the process step by step, covering topics such as ... read more

configuring virtual hosts, DNS records, domain mapping, wildcard subdomains, SSL certificates, reverse proxy, load balancing, subdomain routing, and more. By following these instructions, you will be able to efficiently configure and manage multiple Apache subdomains, enhancing the scalability and flexibility of your web applications.