Securing Rest Endpoints | Micronaut 2.0 | JWT | MySQL

1. Micronaut Security + JWT token generation + MySQL
2. Fetching JWT token and accessing secured endpoints using this bearer token.

Micronaut 2.0 - JWT token Example

How to use this example

• Import project in Intellij or Eclipse
• Update datasource in application.yml database details.
• Execute database queries given below in MySQL database.
• Run the Application
• Verification: Test using postman

1. Execute database queries:

drop database if exists demo;
create database demo;
use demo;
create table auth_user ( id int auto_increment primary key, username varchar(100), password varchar(50));
create table auth_role ( id int auto_increment primary key, name varchar(50), description varchar(200));
create table auth_user_role ( auth_user_id int, auth_role_id int);
insert into auth_user (username, password) values ('sherlock', 'password');
insert into auth_role (name, description) values ('ADMIN', 'Admin user');
insert into auth_role (name, description) values ('USER', 'User');
insert into auth_user_role (auth_user_id, auth_role_id) values (1,1);

2. Using Postman to test the application

• Get JWT Token by providing username and password:
  

• Use JWT token to access secured rest end point:
  

References

Feature http-client documentation

• Micronaut Micronaut HTTP Client documentation

Feature security-jwt documentation

• Micronaut Micronaut Security JWT documentation

Feature openapi documentation

• Micronaut OpenAPI Support documentation

• https://www.openapis.org

Feature security documentation

• Micronaut Micronaut Security documentation

Feature testcontainers documentation

• https://www.testcontainers.org/