A recent study published by IDC in 2017, indicating that the DevOps software market has crossed 2.9 billion dollars and is projected to cross 6.6 billion dollars by the year 2022. This study demonstrated the importance of their work software development and how it is embraced in most organizations.
It is just a glimpse into the world of DevOps and their army. The software development processes like GitOps, AIOps, DevSecOps, etc. An integral part of the software development processes is a continuous integration and continuous delivery. CI/CD is implemented in various companies to ensure security and efficiency in the software.
What is CI/CD?
CI/CD is a methodology for frequently delivering apps to customers by introducing automation into oo app development stages. The main concepts attributed to CI/CD are continuous integration, continuous delivery, and continuous deployment. CI/CD is a solution for integrating new code can cause development and operation teams also known as integration hell.
Specifically, CI/CD introduces ongoing automation and continuous monitoring throughout the apps’ life cycle from integration tests and testing phases to delivery and deployment. If taken together, these practices are majorly referred to as CI/CD pipeline. They are supported by development and operation teams working together using an agile way, either with a DevOps or site reliability engineering approach.
What is the difference between CI and CD?
CI/CD has a few different meanings. Continuous integration is an automation process used by developers. Successful continuous integration indicates new code changes to an app and is regularly bill tested and merged into a shared repository. It is a solution to having too many branches of an app in development at once that might conflict with each other.
CD stands for continuous delivery or continuous deployment that is a related concept that sometimes is used interchangeably. Both are about automatic for the pipeline changes. Still, they are sometimes used separately for illustrating just how much automation is happening. Continuous delivery also means a developer’s application changes are automatically but tested and uploaded to a repository where they could be deployed to a live production environment by the operations team. It is an answer to the problem of poor visibility and communication between development and business things.
To that and the purpose of continuous delivery is to ensure that it requires minimum effort to deploy a new code. Continuous deployment could automatically release developers’ changes for the repository to production, reusable by the customer. It is used for addressing the problem of overloading operations teams with manual processes that will slow down app delivery. Unit tests will build upon the benefits of continuous delivery by automating the text next page in the pipeline.
Let us look through the best practices of the CI/CD that the software development process is adopting for better results:
1. Security first
We should understand the value of security since we are also a digital world that contains vulnerability and breaches. We cannot emphasize safety since a loophole could cause massive financial and reputation loss of all capabilities and sizes. CI/CD procedure is implemented for offering access to credentials and sensitive in the codebase that makes a prime target.
Hence it will be best for us to keep the security of CI/CD as the topmost priority by using our secure internal network. Mainly strong two-factor authentication BPL identification of the management system is considered as an ideal approach. It restricts the threat exposure while including it in the code from the start in the form of DevSecOps.
2. Parity between production and staging environment
Parity is generally followed by spelling the development and production for ensuring that test cases are not facing any major error. The CI/CD pipeline runs test and deployment to promote the production environment in the post-testing phase on the staging stage.
It is impossible to mirror the testing and development in the production environment, but developers could understand the trade-off or keep it as similar as possible.
After load tests are performed in the production-like environment, developers can opt for frequent releases once the software reaches the release steady-state. Hence it will be best for us to opt for deployment in the production stage as mentioned in the above practice. It mainly includes three basic and different techniques:
- Blue-green deployment
It comprises two identical production environments that are idle and production. Idle consists of new releases and the release are pushed to the production face for the live setting that is rolled back to another environment if something went wrong.
- Canary deployment
Testing the software by releasing it to the subset of users before launching unit tests for a wider population.
- A/B testing
In this stage, the features attested for the application, such as usability, ensure that the applications’ performance is smooth.
4. Vision control and tracking tools
Tools like Bugzilla and Jira are used for enhancing this software is visibility by easily collaborating with the team. A version control system is integrated, such as getting as it allows tracking codebase and creates a single source of truth and makes rollback easier. MTTR is improved by using the tops as easy integration tests of a shared repository, and team collaboration can be maintained easily.
5. Continuous learning
Many phases are included in the software development life cycle, making it easier for developers to avoid some instances. Load tests provide evaluation, deep analysis, and documenting of technique gaps and other major aspects for streamlining the development.
CI/CD tools are major editions for the world of software development, and most organizations are never getting it very conveniently and efficiently. It is essential to follow best practices that everyone could track as it also improves the organizations’ coding standards and code quality.
Building out a CI/CD pipeline is a test of resiliency, persistence, drive, and great for automating when it is called for pull and back when it is not. Continuous Integration is about deciding because it is in the best interest of our systems, dependencies, teams, customers, and organizations.