In short, an overview of DevOps

Sukhanth NSukhanth N
5 min read

Understanding of DevOps

DevOps is the combination of cultural philosophies, practices, and tools that increases an organization’s ability to deliver applications and services at high velocity.

The goal of DevOps is to break down the gap between development, testing, and operations teams, so that they can work together more seamlessly and efficiently.

As DevOps engineers, we create multiple environments and build and deploy pipelines with identical dependencies to ensure that our build and deployment process is consistent and reliable, and to avoid any potential issues.

Why DevOps is Important

DevOps practices aim to shorten the software development cycle and increase the frequency of deployments by automating most of the manual involvement in the build and deployment process. By adopting DevOps, organizations can improve their ability to respond to customer needs, innovate faster, and reduce the time-to-market for new features and products.

What is Automation

Automation is the ability to use technology to perform tasks without human intervention.

automation can be used in various industries. automation describes the tools, techniques, and strategies designed to minimize labour, freeing up human workers to focus on other responsibilities.

Automation can be used to improve efficiency and speed by eliminating the need for manual processes also it can help reduce labour costs and the risk of errors.

What is Infrastructure

In IT Industry, infrastructure refers to the underlying hardware, software, and networking components that support the functioning of an application or system. This can include things like servers, databases, operating systems, network components, and other tools and services required to deploy and run software applications.

What is Auto-scaling

Auto-scaling is a way to automatically scale up or down the number of compute resources that are being allocated to your application based on demand.

Scaling can be achieved through a variety of techniques, including:

Vertical Scaling: Increasing the resources of a single server, such as adding more memory or CPUs.

Horizontal Scaling: Adding more servers to distribute the workload across multiple machines.

Load Balancing: Distributing the workload across multiple servers to ensure that no single server becomes overloaded.

Caching: Storing frequently accessed data in memory to reduce the load on the database.

Sharding: Splitting the database into smaller, more manageable pieces to improve performance.

Monolithic vs Microservices

A monolithic application is built as a single unified unit while a microservices architecture is a collection of smaller, independently deployable services.

Benefits of DevOps

  • Rapid Delivery of software

    DevOps aims to shorten the development cycle and increase the frequency of deployments. Automate most of the manual involvement in the build and deployment process. which means that software can be delivered to customers faster.

  • Reliability

    Using Monitoring and logging practices helps you stay informed of application performance in real-time.

  • Greater scalability and availability.

    Utilizing auto-scale and load balancer features so we can achieve high availability and scale resources accordingly.

  • Improved Collaboration

    Increased communication and collaboration in an organization is one of the key cultural aspects of DevOps.This helps speed up communication across developers, operations, and even other teams like marketing or sales, allowing all parts of the organization to align more closely on goals and projects.

  • Cost Reduction

    Using microservices architecture auto-scaling features we can reduce the infrastructure cost.

  • Security

    You can adopt a DevOps model without sacrificing security by using automated compliance policies, fine-grained controls, and configuration management techniques. For example, using infrastructure as code and policy as code, you can define and then track compliance at scale.

DevOps Practices

  • Continuous Integration

    Continuous integration is a software development practice where developers regularly merge their code changes into a central repository, after which automated builds and tests are run.

  • Continuous Delivery

    Continuous delivery is a software development practice where code changes are automatically built, tested, and prepared for a release to production.

  • Microservices

    The microservices architecture is a design approach to build a single application as a set of small services. Each service runs in its own process and communicates with other services through a well-defined interface using a lightweight mechanism, typically an HTTP-based application programming interface (API).

  • Infrastructure as Code

    The cloud’s API-driven model enables developers and system administrators to interact with infrastructure programmatically, and at scale, instead of needing to manually set up and configure resources. Thus, engineers can interface with infrastructure using code-based tools and treat infrastructure in a manner similar to how they treat application code. Because they are defined by code, infrastructure and servers can quickly be deployed using standardized patterns, updated with the latest patches and versions, or duplicated in repeatable ways.

  • Monitoring and Logging

    Organizations monitor metrics and logs to see how application and infrastructure performance impacts the experience of their product’s end user. By capturing, categorizing, and then analyzing data and logs generated by applications and infrastructure, organizations understand how changes or updates impact users, shedding insights into the root causes of problems or unexpected changes. Active monitoring becomes increasingly important as services must be available 24/7 and as application and infrastructure update frequency increases. Creating alerts or performing real-time analysis of this data also helps organizations more proactively monitor their services.

  • Communication and Collaboration

    Increased communication and collaboration in an organization is one of the key cultural aspects of DevOps.This helps speed up communication across developers, operations, and even other teams like marketing or sales, allowing all parts of the organization to align more closely on goals and projects.

Commonly Used DevOps Tools

TechnologyTool
Version ControlGit, Bit Bucket, Git Lab, GitHub, SNV
BuildMaven, Gradle
Continuous IntegrationJenkins CI/CD, Bamboo, GitHub actions
Continuous DeliveryNexus, J-frog
ContainerizationDocker, DockerHub, Aws ECR
Configuration ManagementAnsible, Puppet, Chef, Salt-slack.
MonitoringAWS Cloud-Watch, prometheus, grafana, ELK stack
Infrastructure As a CodeTerraform, Aws cloud-formation
code qualitySonarqube
VirtualizationHypervisor, VMware, OracleVBox, Xen
Project ManagementJira

Always believe "Power is gained by sharing knowldge not hoarding it"

Thank you for reading!! I hope you find this article helpful!!

Happy Learning!!

Sukhanth

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Written by

Sukhanth N
Sukhanth N

Cloud and DevOps enthusiast