How To Implement API Gateway Spring Boot In Microservices API Gateway java Microservices Spring Boot Spring Cloud by devs5003 - April 8, 2022November 14, 20258 Microservices architecture offers us to deploy multiple services in different servers(hosts) in a private network. When a client request comes to microservices, it should get authenticated before the processing of request. Suppose we have 100 different services in a microservices based application. If client wants to interact with all of them, it will have to pass authentication 100 times. Reducing these many number of calls is one of the motivations to learn 'How To Implement API Gateway Spring Boot In Microservices'. If we have one service which takes care of authentication and also forward the request to concerned service, clients can get the response faster. Yes! We have such type of service which is responsible to do the same. It is
How to export data into PDF in a Spring Boot MVC Application? java pdf Spring Boot by devs5003 - November 12, 2021January 11, 20240 Nobody can deny from the fact that data is everything for an application. If there is no data, no need of an application. Since data is everything for an application, we need to know each & every way where & how we can import/export data. Many a time, almost every client needs the data in the form of text reports. When we talk about reports in a web application from the front-end, two popular reports come into mind: Excel Report, and the PDF report. Spring Boot has an integration with Excel & PDF and offers us an API to create such type of reports easily. In this article, we are going to learn about 'How to export data into PDF in
How to export data into Excel in a Spring Boot MVC Application? java Excel Spring Boot by devs5003 - September 24, 2021December 10, 20242 Needless to mention, data is everything for an application. If there is no data, no need of an application. Since data is everything for an application, we need to know each & every way where & how we can import/export data. Many a time, almost every client needs the data in the form of text reports. When we talk about reports in a web application using front-end, two popular reports come into mind: Excel Report, and the PDF report. Spring Boot has an integration with Excel & PDF and offers us an API to create such type of reports easily. In this article, we are going to learn about 'How to export data into Excel in a Spring Boot MVC
How to monitor Spring Boot Microservices using ELK Stack? java Elasticsearch ELK Stack Microservices Spring Boot by devs5003 - July 16, 2021April 15, 20263 While developing an application, we always incorporate a feature in our code that can direct us what went wrong if the application fails to run normally. This feature is nothing but logging. The more work you do with logging, the less work you have to do with fixing the application issue. Typically, we keep all logging information in a text format file, called a log file. This file captures all the details such as startup of a server, activities of all users, names of classes, methods, timestamp, occurred exceptions with stack trace etc. Moreover, it depends on us what all information we require in the log file. Sometimes, these log files become larger in size and finding the exact issue manually
Spring Boot Errors and AOP Annotations With Examples Spring Boot Docker java Spring by devs5003 - February 20, 2021May 7, 20251 In this article we will discuss on 'Spring Boot Errors and AOP Annotations with Examples'. Needless to say, these annotations play a crucial role in creating Spring Boot Applications. If you want to learn all annotations which are generally used in a Spring Boot Project, kindly visit our article 'Spring Boot Annotations with Examples'. Let's discuss about 'Spring Boot Errors and AOP Annotations with Examples' here only. Spring Boot Errors and AOP Annotations With Examples Let's discuss the most commonly used annotations on Spring/Spring Boot Errors/Exceptions and AOP one by one. Annotations on Spring Errors & Exceptions Spring Boot proves that Exception handling is a crosscutting concern by offering some annotations such as @Exception Handler, @ContollerAdvice, @ResponseStatus. In order to learn about Spring Boot
How To Secure Spring Boot Application By Google reCAPTCHA? Spring Boot Google reCAPTCHA Validation java Spring by devs5003 - January 28, 2021November 27, 20244 In continuation to previous article on Securing Spring Boot Application by Simple CAPTCHA, here in this article we will discuss about Google reCAPTCHA. Needless to say, reCAPTCHA protects your application or website from fraud and misuse. It uses an advanced risk analysis engine and flexible challenges to keep malicious software out from entering into offensive activities on your website. Meanwhile, allowed users will be able to login, view pages, or create accounts. On the other hand, fraud users will be blocked. We have already discussed the fundamentals of captcha including it's definition & types in our previous article. In short, reCAPCHA is a type of captcha security. We will talk all about it in our article 'How To Secure Spring Boot
Java Captcha Example: How to secure Spring Boot Application by Captcha Validation? Spring Boot CAPTCHA Validation java Spring by devs5003 - January 21, 2021November 27, 20242 Everyone who is reading this article would have come across captcha validation while doing registration in a website or sometimes by other means. Some websites put a captcha validation in place to get rid of spammers. An application can either be accessed by human being or by a client program. Yes Of course! There is possibility that an Http client program developed by a professional hacker can access your application. In order to fill this security hole we can implement a captcha validation because a program can't read captcha image. Therefore, as a developer, you should have knowledge of 'How to secure your Application by Java Captcha Example using Spring Boot?'. More or less, we will learn to implement
How to implement OAuth in Spring Boot Project? Spring Boot java OAuth Spring by shwetas8536 - December 15, 2020November 18, 20257 Let's assume that you want to provide access of your resources to a third party application. How will you ensure that the third party application will not misuse your resources? Once you complete going through this article, you will find a secure way to provide access to your resources. Also, you will learn 'How to implement OAuth in Spring Boot Project?' which is what all about. OAuth is a mechanism for providing access to resources in a very secure manner. But it is not related to authentication at all rather authorizations. For example, You have a bunch of confidential pages stored at Google Drive and you want the document review team to review them and update you with review comments. You
Skills for Java Developer java Developer Tools Microservices Spring Boot Spring Cloud by devs5003 - April 29, 2020February 29, 20240 Even with competition from new languages, the demand for Java developers also remains strong. In fact, Java is among the most in-demand programming languages on the job market, depending on whose numbers you look at. Java developers are reported to have the lowest career switch rate of any profession. It’s a great basis for a steady career. Let's first look at the list of basic Skills for Java Developer. List of Basic Skills for Java Developer However, this isn’t a complete list, below is a list at some of the basic skills needed to become a Java developer: Core Java with Java 8 new features (especially Lambda expression) Object-oriented programming (OOP) concepts and some common design patterns Abstract classes and interfaces Constructors