This project is a simple example of how to implement microservices using NestJS and NATS. Medium
$ npm install-
3 services are implemented in this project [main, mailer, user]. you can run each service separately by adding the service name to env file.
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before running the app, make sure you have a NATS server running on your local machine. You can download the NATS server from here.
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you can run all services at once by running the following command (APP_NAME must be empty in the env file):
# development
$ npm run start
# watch mode
$ npm run start:dev
# production mode
$ npm run start:prod- you can run nats server as a docker container by running the following command:
docker run -p 4222:4222 -p 8222:8222 -p 6222:6222 --name nats-server -d nats
- Add a health check endpoint
- Add a Dockerfile
- Add a CI/CD pipeline (Github Actions, Gitlab CI, Jenkins, etc)
- Monitoring (Prometheus, Grafana, etc)
- Alerting (Prometheus Alertmanager, Grafana, etc)
- log management (ELK, Splunk,Loki, etc)
- Which do you prefer, All 3 service as one Dockerfile, or each service as a separate Dockerfile?
- How do you deploy your application? (Kubernetes, Docker, etc)
- How do you monitor your application?
- How do you scale your application?
- How do you backup your application?
- How do you secure your application?
- How do you manage your application configuration?
- How do you handle this senario: 2 main services are running, 2 mailer services are running, 1 user service is running. The user service is down, how do you handle this situation?
- 2 instans of main services, 3 instans of mailer services, 1 instans of user service must be running.
nestjs-micro is [MIT licensed](LICENSE).