Why do we need a standard way of building Microservices?
We all love creating microservices, but there should be a standard way of creating them?
If we give complete autonomy to engineers to build their services then we will end up with the chaos of languages, frameworks, tools, and conventions. Hence standardization becomes essential to limit the chaos.
Standardization allows us to keep the entire system coherent and uniform and the 3 verticals that need standardization are:
Monitoring
Monitoring one microservice is relatively a simpler problem, and with easy-to-integrate tools, it becomes a breeze. Few examples
Monitoring how a request originates from the user and goes through various services is important and this problem of Distributed Tracing can be solved through tools like Zipkin and AWS X-Ray.
Microservices need a standard way of reporting key metrics like CPU, Memory, Disk, and App Metrics into a central system like NewRelic or CloudWatch allowing everyone to get the necessary transparency.
Interfaces
There are 100s of ways through which the microservices could talk to each other. This demands standardization and we need to consolidate on a few ways of interfacing.
Consolidating to REST for user-to-service communication and gRPC for service-to-service communication seems to be the most popular choices. But it is totally up to you to pick the ones.
We cannot allow the communication to happen over a variety of formats and hence we need to consolidate on a few like - JSON and ProtoBuf.
We also need to standardize the nomenclature and how REST endpoints are written. This would ensure that the entire engineering team feels familiar while writing any inter-service communication.
Other aspects that need standardization are Versioning, Timeouts, and Retries. Having this standardization would allow us to write common libraries to abstract out the implementation complexities and save redundant efforts.
Tolerance
Every service needs to shield itself from getting bombarded. Standardizing the tolerance would save us redundant efforts and implementations. A common protection layer would not only prevent the service from getting overwhelmed but also ensure no cascading failures.
Some standard configurations could be
Such abilities would help us reduce outage times and prevent cascading failures as engineers would be aware of exactly what to do to cut off.
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Here's the video of my explaining this in-depth ?? do check it out
We all love creating microservices, but what if every team creates its own microservice uniquely and uses its own conventions? it would create massive chaos of practices, protocols, frameworks, and conventions.
This propels us to have some standardization on how we build a microservice and hence in this video, we talk about, why it is essential to standardize some aspects of a microservice, how enforcing a few practices helps us in the long run, and, look at the 3 most essential verticals that you should definitely standardize while adopting microservices.
Outline:
You can also
Thank you so much for reading ?? If you found this helpful, do spread the word about it on social media; it would mean the world to me.
Yours truly,
Arpit
Until next time, stay awesome :)
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