How to handle service iteration and continuous integration in microservice architecture?

With the rapid development of Internet technology, microservice architecture has become a trend. The microservice architecture splits the application into multiple small services. Each service is independently deployed, maintained, and expanded independently, and finally combined into a complete application. The emergence of this architectural form decouples applications on the one hand, and also brings new challenges on the other. Among them, service iteration and continuous integration are one of them. This article will explore how to handle iteration and continuous integration of services in a microservices architecture.

1. Service iteration

Service iteration refers to the process of updating a service function or interface design multiple times, which can be divided into major version iteration and small version iteration.

(1) Major version iteration

Major version iteration refers to service-based updates, and its update content generally involves major functional changes, additions and deletions of modules, etc. Major version iterations of the service need to follow the following steps.

1. Sorting out update requirements

In the process of updating services, it is first necessary to clarify the update requirements, including the purpose of the update, the scope of the update, the scope of the update, and the need New functions, functions that need to be modified, etc. These need to be sorted out before iteration.

2. Develop an update plan

Based on the needs of sorting, it is necessary to develop an update plan, including the update time of major versions, update content, testing process, etc.

3. Testing

Before a major version update, sufficient testing is required. The test content should cover new functions, modified functions, scope of impact, compatibility, etc. During the testing process, if there are problems, they need to be repaired in time until the test passes.

4. Online update

After the major version update is completed, it needs to be online.

(2) Small version iteration

Small version iteration refers to a small update based on the service. The update content is generally to fix a certain small problem or to improve a certain function. Adjustments etc. In small version iterations, you need to pay attention to the following.

1. Design details

The update content of small version iterations is generally the details of the service, so when designing, you need to pay special attention to the details of the design.

2. As small as possible

In small version iterations, the scope and impact of updates should be as small as possible to avoid the stability of the entire service being affected due to some minor problems. Influence.

3. Continuous updates

Small version iterations are updated more frequently, so it is necessary to plan for continuous updates and conduct timely repairs and tests.

2. Continuous integration

Continuous integration refers to frequently integrating code into the main branch during the development process, so as to detect problems as early as possible. In a microservices architecture, continuous integration is even more important. Here's how continuous integration is handled.

1. Code Management

In the microservice architecture, it is necessary to ensure the consistency and standardization of the code. Code management is the prerequisite for continuous integration. Code version control and collaborative development require planning of tools and processes.

2. Automated build

Automated build is the core of the entire continuous integration. Automated build tools can automatically build, test, and deploy services. In a microservice architecture, an application will be composed of multiple services, and each service needs to be built, tested, and deployed separately. Therefore, it is necessary to plan the automated build process to meet the needs of multiple services.

3. Continuous integration

Continuous integration and automated construction complement each other. Continuous integration is the most important part of the construction process, mainly including continuous integration, continuous delivery and continuous deployment. Continuous integration can ensure the quality of code through build agents, version management, automated testing, etc.

4. Test coverage

In continuous integration, test coverage is crucial. Test coverage refers to the percentage of code coverage by test cases. High test coverage can effectively ensure code quality and maintainability.

Summary: Service iteration and continuous integration are very important parts of the microservice architecture. During the iteration process, it is necessary to reasonably plan the update plan and testing process to ensure the stability and quality of the service. In the process of continuous integration, it is necessary to ensure consistency and standardization, plan the processes and tools for automated construction and continuous integration, and achieve high-quality services.

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