How does microservices maintain data integrity?

How does microservices maintain data integrity?

In general, the following design considerations should be taken into account.

1. Avoid using distributed transactions across microservices if possible. Working with distributed transactions brings more complex problems.
2. Design your system that doesn’t require distributed consistency as much as possible.

How can you ensure data integrity in a service based architecture?

8 Ways to Ensure Data Integrity

1. Perform Risk-Based Validation.
2. Select Appropriate System and Service Providers.
3. Audit your Audit Trails.
4. Change Control.
5. Qualify IT & Validate Systems.
6. Plan for Business Continuity.
7. Be Accurate.
8. Archive Regularly.

How do you ensure security between microservices?

8 Ways to Secure Your Microservices Architecture

1. Make your microservices architecture secure by design.
2. Scan for dependencies.
3. Use HTTPS everywhere.
4. Use access and identity tokens.
5. Encrypt and protect secrets.
6. Slow down attackers.
7. Know your cloud and cluster security.
8. Cover your security bases.

How to handle foreign key relationships in microservices architecture?

Microservices architecture suggest that each service should handle it’s own data. Hence any service (Service A) dependent on data owned by other service (service B) should access such data not by making direct DB calls but through the api provided by the second service (service B).

How is data managed in a microservices architecture?

This article describes considerations for managing data in a microservices architecture. Because every microservice manages its own data, data integrity and data consistency are critical challenges. A basic principle of microservices is that each service manages its own data. Two services should not share a data store.

When do you need strong consistency guarantees for microservices?

When you need strong consistency guarantees, one service may represent the source of truth for a given entity, which is exposed through an API. Other services might hold their own copy of the data, or a subset of the data, that is eventually consistent with the master data but not considered the source of truth.

What do you need to know about identity microservice?

Obviously the Identity Microservice would need to be fetching user data from a database with things like firstname, lastname, passwords, roles/claims, etc. Obviously other parts of the system have relations with the user. For example, every order is probably tied to the user who placed that order.