Category: Web
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Create a RESTful CRUD Application with Spring Boot
In this article, I will show what are the main endpoint needed to have a CRUD application. I show how and explain to create those endpoints to be RESTful compliant.
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Connect a Database to a Spring Boot Application
In this article, I will connect my Spring Boot Application to a PostgreSQL database. Adding the dependencies, configuring the application and creating the entities and repositories.
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Creation of Spring Boot App and CORS Configuration
In this first article, I will start by creating the Spring Boot application and configure the CORS to be accessible by any Frontend (Angular or React).
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How to SECURE My Microservices Architecture (REACTJS + SPRING CLOUD GATEWAY) With Keycloak
In this article I show how to connect a React application to a Spring Cloud Gateway backend using Keycloak as an Authorization Server.
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Spring Security 6 with JWT Authentication
Let’s see how to use Spring Security 6 with JWT Authentication. I will do it using the Web Filters to handle JWT requests and credentials requests.
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How to Handle the Database Migrations with Alembic
In this video I will show how to use Alembic to Handle the database migrations. I show and explain the main commands of Alembic.
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Spring Cloud Gateway with KeyCloak and OAuth2
In this article I will show how to configure a KeyCloak server. And I will use it in a Spring Cloud and Spring Boot architecture as an authorization server where a Spring Cloud Gateway will try to authenticate.
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Spring Cloud Gateway with OAuth2 Authorization Server
In this article I will create a Spring Cloud Gateway application connected to an OAuth2 Authorization Server. I will use an existing OAuth2 Authorization server and create a Spring Cloud Gateway application from scratch to consume data from a Resource Server.
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OAuth2 and OpenID Connect
In this article, I will compare the OAuth2 and OpenID Connect authentication protocols. I will implement the OpenID Connect with the Spring Security Authorization Server.
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Decorators in Python
In this article I will explain what are the Decorators in Python. And I will also show how I create my own Decorator.
The Dev World - Sergio Lema 