Author: Sergio Lema
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How to Easily Deploy Your Spring Boot Application to AWS EC2
Today I will show how to deploy a simple Spring Boot application to AWS EC2. I will do it in such a way to be used from a CI CD pipeline. In such a way each new version will be deployed automatically to EC2.
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Create your First CICD Pipeline with GitlabCI
In this article I create my first CI/CD Pipeline with GitlabCI. I explain the main concepts of GitlabCI, jobs, stages and conditions. And I show how to configure a runner.
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Create your first Github Actions
In this article I will create my first Github Actions. I will use the CI/CD pipeline of Github to run several commands over my project. I will also show how to configure a self hosted runner.
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RDD in PySpark
In this article I will explain the Resilient Distributed Datasets, RDD, in Spark with Python and PySpark. I explain how are built the pipelines in PySpark with the Transformations and Actions. Finally, I will show examples of code handling a simple numerical dataset.
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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.
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Python Logging
In this article I will show how to use the Logging library in Python. I will show how to configure the Logging library for many Handlers, Formatters and Filters.
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Spring Cloud Sleuth & Zipkin
In this article I will show how to trace requests between microservices using Spring Cloud Sleuth and Zipkin. Spring Cloud Sleuth will help me identify the logs from a single request between all the microservices. And Zipkin will show me the elapsed times at the microservices.
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Spring Security and Roles Authorization
In this article I will explain the difference between Authentication and Authorization. I will also explain how to implement the Authorization pattern with Spring Security. For that, I will use the @PreAuthorize annotation.
The Dev World - Sergio Lema 