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spring-boot-microservices

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spring-boot-microservices

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README.md

# Installation Guide

1. Get the code

git clone https://github.com/shabbirdwd53/spring-boot-microservices

Downloads the entire project code from GitHub to your computer.

cd spring-boot-microservices

Moves into the project folder you just downloaded.

2. Maven (Java)

Medium Recommended

Prerequisites

Git Needed to download the project code from GitHub.
JDK (Java) Required to build and run Java projects.
Maven The build tool used for the mvn command.

cd CloudGateway

This project's files live in a subfolder, so move into it first.

mvn clean install

Installs dependencies and builds the project using Maven.

✅ A BUILD SUCCESS message means it worked. The output is created under target/.

// repository documentation

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# Spring boot and Microservice with Kubernates 
Spring demo with Microservice and Kubernetes

## Running kubernates dashboard
- kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.5.0/aio/deploy/recommended.yaml

- kubectl proxy

- Get token : kubectl -n kubernetes-dashboard create token admin-user

## Understanding building individual Microservice

Each microservice contains pom.xml. Before building make sure the docker hub credentials are setting settings.xml file.

To run only build : mvn clean install

To build and push to docker : mvn clean install jlib:build

## Applying kubernates configuration to make pod running.

Go to k8s directory which contains 
- Apply config maps first : kubectl apply -f generic-config-map.yaml
- Setting up mysql pod : kubectl apply -f mysql.yaml
This yaml contains mysql password as well , you can use secrets/config for passwords too.
- Set up zipkin : kubectl apply -f zipkin.yaml
Access zipkin dashboard with http://localhost:9411 which was exposed using loadbalancer
- Set up service registry pod : kubectl apply -f service-registry-deployment.yaml
- Set up config server pod : kubectl apply -f config-service-deployment.yaml
- Set up cloud gateway pod : kubectl apply -f cloud-gateway-deployment.yaml
- Set up other microservices pod : kubectl apply -f payment-service-deployment.yaml/order-service-deployment.yaml/product-service-deployment.yaml

## Related to OKTA Configuration
First create new application in okta . Application type should be open id application.
Authroization server has configuration related to access token and refresh token validity.

Go to security -> API -> default audience to modify access policies and timing.

To get refresh token , we need to ensure we have grant type refresh token for application and also scope is offline_access provided when retriving tokens. Refer application yaml of cloud gateway.