ElastiCache is an AWS managed in memory database. It can be used for many cases. Here I will integrate ElastiCache in my spring boot project for caching. The code can be found here: https://github.com/olein/Java-AWS-RnD/tree/elasti-cache Let’s learn a few things about ElastiCache before I integrate this in my project. Performance: ElastiCache…

How to Use AWS SQS With Sprint Boot — Amazon Simple Queue Service (SQS) is a fully managed service. As a developer, we can use it for many purposes. In this article, I will try to explain SQS and integrate it with Spring Boot. I will also add code to send the single and batch request to SQS. …

Amazon RDS is a very popular cloud database service. Amazon RDS supports MySQL, Oracle, Aurora and a few other RDBMS. I deployed a spring boot application in EC2. Now I will access RDS from my EC2 and local PC. I added all my code and configurations in the Github (https://github.com/olein/Java-AWS-RnD)…

How we can secure our application database Database is one of the most important parts of any web application. We must make sure our database and data are secured. There are quite a few areas that we need to secure and organize. In this article, I will try to create…

How to use MDC in spring boot and some best practices We use logging in our projects to better understand the system. With proper logging, we can easily track down the issues. Using MDC (Mapped Diagnostic Context), we can improve logging. …

Apply validation and sanitization for spring boot application Every day, our web application manages user data. Our system receives a lot of data, which we store in the database. Not all of the incoming data is reliable or secure. Incoming data needs to be verified and cleaned up. In this…

Use the Run command to install Java, CodeDeploy agent, and CloudWatch agent on EC2 instances — AWS Systems Manager is an AWS service that allows us to manage and view our AWS infrastructure. We can examine operational data from many AWS services and automate operations across AWS resources using the Systems Manager console. Systems Manager includes the Run command. Using the Run command, we can remotely…

Deploying Spring Boot Applications using AWS Load Balancer — Load balancer automatically distributes incoming traffic to available application servers. In this article, I’ll show you how to set up AWS Load Balancer to deploy a spring boot application. Lets begin. Deploy Spring boot Initially, I deployed 2 EC2 instances and installed Java 11 on each EC2. After that, I deployed a simple…

How to Securing Spring Boot Properties using AWS Parameter Store — Parameter store is part of the AWS system manager. It allows us to securely store configuration data such as database URLs, passwords, third-party credentials, and so on. In this article, I will configure the Spring Boot application to load configuration data from parameter stores based on environments. Let’s begin. First…