A software system can and has to be tested on different levels of abstraction. ISTQB (International Software Testing Qualifications Board) defines four different test levels: Component Testing
In the previous story, we introduced multi-tenancy models with AWS Cognito. We have chosen the multi-tenant approach based on user pools. In this story, we are
In this post, we will explore how to implement multi-tenancy architecture using Amazon Cognito. Suppose you are building a Saas web application and would like
In this story, we’ll implement a REST API with CRUD operations using Spring boot and AWS DynamoDB. What is Amazon DynamoDB? Amazon DynamoDB is a
In this post, we’ll implement an authentication microservice using Amazon Cognito. Our microservice offers REST resources (signUp, signIn, forgotPassword, signOut) which allow full control over
Prerequisites Oauth2 Overview The OAuth 2.0 authorization framework enables a third-party application to obtain limited access to an HTTP service, either on behalf of a
In this post, we’ll explain how to read and write an Excel file with Spring Batch using a custom reader and writer. We are going
In this post, we are going to configure spring cloud config server using SSH configuration with git. Spring Cloud Config provides server-side and client-side support
In this story, we will show how to get user information (devices, country, city, latitude, longitude) using an IP address. In a production application, it
In this post, I’ll explain to you how to send notifications to the web client without refreshing the web browser. We are going to create