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https://github.com/syedaanif/microservices-v2
Learning Microservices wit Spring Boot & Spring Cloud and containerizing using Docker and orchestrating using Kubernetes
https://github.com/syedaanif/microservices-v2
Last synced: about 1 month ago
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Learning Microservices wit Spring Boot & Spring Cloud and containerizing using Docker and orchestrating using Kubernetes
- Host: GitHub
- URL: https://github.com/syedaanif/microservices-v2
- Owner: SyedAanif
- Created: 2021-05-16T09:07:21.000Z (almost 4 years ago)
- Default Branch: master
- Last Pushed: 2021-05-16T09:31:11.000Z (almost 4 years ago)
- Last Synced: 2024-11-15T22:14:31.429Z (3 months ago)
- Language: Java
- Size: 70.3 KB
- Stars: 1
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# Microservices-v2
Learning Microservices wit Spring Boot & Spring Cloud and containerizing using Docker and orchestrating using Kubernetes
Extra learnings apart from [Microservices-v1](https://github.com/SyedAanif/Microservices-v1)
1. Docker
2. Kubernetes
3. Spring Boot 2.4.x+ & Spring Cloud 2020.x+
4. Service Registry using Eureka Naming Server
5. Load Balancing with Spring Cloud LoadBalancer (replacing Ribbon)
6. API Gateway with Spring Cloud Gateway (instead of Zuul)
7. Circuit Breaker with Resilience4j (instead of Hystrix)
8. Distributed Tracing with Zipkin
9. Asynchronous Communication using Rabbit MQ
Docker Commands
```
docker run -p 9411:9411 openzipkin/zipkin:2.23
docker push docker.io/syedaanif/ms-v2-currency-exchange-service:0.0.1-SNAPSHOT
docker-compose --version
docker-compose up
docker push syedaanif/ms-v2-naming-server:0.0.1-SNAPSHOT
docker push syedaanif/ms-v2-currency-conversion-service:0.0.1-SNAPSHOT
docker push syedaanif/ms-v2-api-gateway:0.0.1-SNAPSHOT
```
[Docker Repository](https://hub.docker.com/u/syedaanif) to download images from.
Kubernetes Commands
```
kubectl get events
kubectl get pods
kubectl get replicaset
kubectl get deployment
kubectl get service
kubectl explain pods
kubectl get pods -o wide
kubectl get events --sort.by=.metadata.creationTimestamp
kubectl get rs
kubectl get rs -o wide
docker login
docker push syedaanif/ms-v2-currency-exchange-service:0.0.1-SNAPSHOT
docker push syedaanif/ms-v2-currency-conversion-service:0.0.1-SNAPSHOT
kubectl create deployment currency-exchange --image=syedaanif/ms-v2-currency-exchange-service:0.0.1-SNAPSHOT
kubectl expose deployment currency-exchange --type=LoadBalancer --port=8000
kubectl create deployment currency-conversion --image=syedaanif/ms-v2-currency-conversion-service:0.0.11-SNAPSHOT
kubectl expose deployment currency-conversion --type=LoadBalancer --port=8100
kubectl get deployment currency-exchange -o yaml >> deployment.yaml
kubectl get service currency-exchange -o yaml >> service.yaml
kubectl diff -f deployment.yaml
kubectl apply -f deployment.yaml
kubectl delete all -l app=currency-exchange
kubectl delete all -l app=currency-conversion
kubectl rollout history deployment currency-conversion
kubectl rollout history deployment currency-exchange
kubectl rollout undo deployment currency-exchange --to-revision=1
kubectl logs currency-exchange-9fc6f979b-2gmn8
kubectl logs -f currency-exchange-9fc6f979b-2gmn8
kubectl autoscale deployment currency-exchange --min=1 --max=3 --cpu-percent=5
kubectl get hpa
kubectl top pod
kubectl top nodes
kubectl get hpa
kubectl delete hpa currency-exchange
kubectl create configmap currency-conversion --from-literal=CURRENCY_EXCHANGE_URI=http://currency-exchange
kubectl get configmap
kubectl get configmap currency-conversion -o yaml >> configmap.yaml
```
Ports
| Application | Port |
| ----------- | ---- |
| Limits Service | 8080, 8081, ... |
| Spring Cloud Config Server | 8888 |
| Currency Exchange Service | 8000, 8001, 8002, .. |
| Currency Conversion Service | 8100, 8101, 8102, ... |
| Netflix Eureka Naming Server | 8761 |
| Netflix Zuul API Gateway Server | 8765 |
| Zipkin Distributed Tracing Server | 9411 |
Zipkin Installation
Quick Start Page
https://zipkin.io/pages/quickstart
Downloading Zipkin Jar
https://search.maven.org/remote_content?g=io.zipkin.java&a=zipkin-server&v=LATEST&c=exec
Command to run
```
RABBIT_URI=amqp://localhost java -jar zipkin-server-2.12.9-exec.jar
```