Microservices are the ultimate way to break up your application into smaller, more logically themed pieces.

Here are some basic checklists when getting started with microservices.

Why move from Monolithic to Microservices: 

1. If a change of technology happens at this stage, it may result in more regression time and impact the business; therefore, the change of technology is avoided.

2. The team waits for deployment of a large unit when doing continuous integration and change rollouts. This delays feedback and causes delay in moving ahead with the plans.

3. Evolutionary design changes are postponed. This slows team rotation and induces strong dependency on pre-existing team members.

4.    When rolling out a change, multiple teams have to be brought together to ensure the change does not brake systems upstream or downstream.

Checklist 1: Microservices must-haves

1. Microservices introduces a lot of moving parts that were previously non-existent in a monolithic system.

2. For the development, product and QA teams who have extensive experience in monolithic, a microservices-based system is a new reality; hence, they need time to cope with this new shift.

3. Mandatory frameworks and tools that will need to be added to the tech stack for: granular monitoring, log aggregation and dashboard, application metrics, automated deployment and system dashboard.

4. Don’t discard the monolithic application immediately. Instead, have it co-exist with the new microservices, and iteratively deprecate similar functionalities in the monolithic application.

Checklist 2: Microservices starters

1. Identify new features that have to be added to the monolithic application, and develop them instead as microservices.

2. Agree on a standard interface for communication between the monolithic application and the new microservice.

3. The new microservices needs to be self-contained, and hence, has to have its own runtime environment. The service also needs to be deployed on a separate infrastructure that is isolated, either physically or logically, from the monolithic application.

4. Assign a custodian team that oversees the development, maintenance and operation of microservices that is separate from the team managing the monolithic application.

Checklist 3: Microservices cons

1. Dealing with dead or expired services and endpoints that are no longer used, and using that information to retire the appropriate services

2. Performing integration testing after making a change in a particular microservice

3. DevOps activity becoming mainstream in the team which has traditionally been anti-DevOps

4. Identifying the right size of service – neither too big nor too small

5. Investing in either rewriting services or partitioning existing services

Conclusion:

These could be few checklists when making transition to microservices architecture.

‍If you are looking for experts to help you modernize and migrate your monolith application to microservices, our software specialists can work with your CTOs and product teams to build the right solutions to overcome your business challenges.

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