MSA

1. Create new Project java with maven -> project from archetype ->search microprofile -> select (jakartaee8-payara-microprofile-archetype) -> enter project name & docker hub name

2. Creating JWT Tokens have a jwtenizer.jar file in folder, locate that file in terminal ->

execute command to generate JWT tokens : java -jar jwtenizer.jar -> 

It will create four files . edit jwt-token.json for your upn and roles and execute jwtenizr.kar again : java -jar jwtenizer.jar ->

It will create microprofile-config.properties to be used in resource/backend application and token.jwt for client/frontend application

// IN BACKEND

3. copy microprofile-config.properties file into META-INF

4. create persistance container

5. create entity from database -> (auto generated)

6. create session Bean -> check local 

7. in session bean local 

void List<Student> getAllStudents();

void addStudent(Student std);

void update(student std);

void deleteStudent();

8. impliment all methods in session bean class

write code to persist,merge,remove

9. in ExampleService write REST code

// IN FRONTEND

10. create persistance container

11. create entity from database -> (auto generated)

12. Create client package/folder in source packages -> create interface for CRUD operations with path and jwt authentication

13. Create Servlet and JSP pages as per requirement