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add my blog#20
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Aug 24, 2022
| slug = "removing-dependency-between-microservices" | ||
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| ***In this blog post, I will show for you guys solution to solve the problem we have met when deploying in microservices*** |
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| #### Problem | ||
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| A little bit information about our system: |
| **Nats-jetstream**: We are using it for our message broker system. We also have a blog about | ||
| [it](https://blog.manabie.io/2022/03/set-up-nats-multi-tenant-in-golang/). | ||
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| Currently, our system is in process migrate from monolithic to microservice. We deploy our all services by one helm chart, their |
| Currently, our system is in process migrate from monolithic to microservice. We deploy our all services by one helm chart, their | ||
| deploy process are parallel. In order to start a service, it requires some logics like: `connect DB success, connect Nats success, | ||
| register logic, upsert streams of nats-jetstream, create subscriber of nats-jetstream,...` if one of these things fail then the deploy | ||
| process fail too. So what is `upsert streams of nats-jetstream, create subscriber of nats-jetstream` means :thinking:? |
| register logic, upsert streams of nats-jetstream, create subscriber of nats-jetstream,...` if one of these things fail then the deploy | ||
| process fail too. So what is `upsert streams of nats-jetstream, create subscriber of nats-jetstream` means :thinking:? | ||
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| 1. **Upsert streams of nats-jetstream**: We write a library to check the `stream` by golang code. Is it exist? -> create a new one. |
| process fail too. So what is `upsert streams of nats-jetstream, create subscriber of nats-jetstream` means :thinking:? | ||
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| 1. **Upsert streams of nats-jetstream**: We write a library to check the `stream` by golang code. Is it exist? -> create a new one. | ||
| Is it have any update? -> update it. Is it need to delete? -> delete it. |
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