In this tutorial, you will learn how to install MySQL on Amazon EC2 Linux machine. If you’re new to this or have encountered issues with previous installations, you’re in the right place. If you want to learn how to run MySQL in a Docker container instead, then read this tutorial: How to start MySQL in…
Read More How to Install MySQL on Amazon EC2 LinuxThe RestTemplate class within the Spring Framework is a simple HTTP client that enables your code to send HTTP requests and handle HTTP responses. This tutorial will demonstrate how to use RestTemplate to send various types of HTTP requests. Create Spring Boot App RestTemplate is a component of the Spring Framework and is typically utilized…
Read More Spring RestTemplate TutorialIn this article, you will learn how to perform user authentication with Amazon Cognito in a Spring Boot application. But before we dive into that, let’s first explore what Amazon Cognito is. According to what’s mentioned on the AWS official website: Amazon Cognito lets you add user sign-up, sign-in, and access control to your web…
Read More User Authentication with Amazon Cognito in Spring Boot ApplicationInstalling an SSL certificate on a Bitnami stack for Lightsail is a simple process that can be completed in just a few steps. In this blog post, we will walk you through the process of installing an SSL certificate on your Bitnami stack for Lightsail. You can use the generated SSL certificate for your LAMP…
Read More Install SSL certificate on Bitnami stack for LightsailAWS Lambda is a service that lets you run code without provisioning or managing servers. In this tutorial, I will share with you how to create a very simple Lambda function in Java and run it on AWS. Prerequisites To be able to follow this tutorial, you will need to have the following: An AWS account,…
Read More A Simple AWS Lambda Function in JavaIn this tutorial, you will learn how to read data from Dynamo DB using the AWS Lambda function. This tutorial mainly talks about scan and query operations on a DynamoDB table. First, let’s have a quick overview of the DynamoDB table. DynamoDB Table Amazon DynamoDB is a fully managed NoSQL database service that provides fast…
Read More Read Data from DynamoDB using AWS Lambda functionIn this tutorial, you will learn about Unit Testing AWS Lambda Function with Java. First, we will have a quick overview of Unit Testing. Then we will look at the required dependencies in order to do Unit Testing of AWS Lambda Function. After that, we will dive deep into the annotations that will be used…
Read More Unit Testing AWS Lambda Function with JavaIn this tutorial, you will learn how to secure access to User’s Data in RDS using Lambda Authorizer. First, the Lambda Authorizer function will authenticate the caller by validating JWT using nimbus-jose-jwt library. After that, the Lambda Authorizer function will return an output object containing an IAM policy. The Authorizer will also return additional information…
Read More Lambda Authorizer – Secure Access to User’s Data in RDSIn this tutorial, you will learn how to implement the API Gateway Lambda Authorizer in Java. You will also learn how to make Lambda Authorizer validate Authorization JWT. First, we will create an API using API Gateway then we will make lambda function as an integration point for the GET method of our resource. After…
Read More API Gateway Lambda Authorizer Example in JavaIn this tutorial, we will read user data from AWS RDS with an access token. You can have a look at the following tutorials before moving ahead. Build and deploy a Serverless Spring Boot Web Application with AWS Lambda AWS Lambda with Spring Boot – A Simple GreetMe Example Amazon Cognito User Authentication in Spring…
Read More Reading user data from AWS RDS with an access tokenIn this tutorial, we are going to learn that how we can use AWS Lambda to store user data in Amazon RDS. This tutorial is divided into three parts. Creating database using Amazon RDS. Creating Spring Boot Application. Testing Lambda function. We can refer to the following tutorials before going ahead. Build and deploy a…
Read More Using AWS lambda to store user data in Amazon RDSIn this tutorial, we are going to see how to insert records into a DynamoDB table using an AWS Lambda function written using Spring Boot Java. We are also going to add an AWS API Gateway trigger to the Lambda function and see how it works. To follow this tutorial, make sure that you have…
Read More Writing into DynamoDB in a Spring Boot App using AWS LambdaThis tutorial is about creating an AWS Lambda function using Spring Boot and adding an S3 trigger to it. Amazon S3 or Simple Storage Service is a cloud object storage service offered by AWS. It is a scalable, high-speed, web-based cloud storage service to store data objects in a bucket structure. Ensure that you have…
Read More AWS Lambda with S3 Trigger using Spring bootIn the previous tutorial, we learned that how we can do User Authentication with Amazon Cognito in Spring Boot Application. In this tutorial, we will take our previous learnings and continue with the following. Create Rest Controller to handle /login HTTP POST requests. Read username and password from the request body to authenticate with Amazon Cognito…
Read More Amazon Cognito User Authentication in Spring Boot RESTIn this tutorial, we are going to see how to create a simple Spring Boot project containing a handler that takes the name of the user as a parameter and returns a welcome message. We are then going to deploy it as a serverless application on AWS Lambda and test it. The first step is…
Read More AWS Lambda with Spring Boot – A Simple GreetMe Example