Do you want to Learn to Build an Amazing RESTAPI with Spring Boot?Do you want to learn what the Hype about Microservices is all about?Do you want to Build Microservices with Spring Boot and Spring Cloud? Do you want to Build Containers with Docker?Do you want to orchestrate Microservices with Kubernetes? Look no Further!
UPDATE2021 JAN:NewSections on DOCKER and KUBERNETES.
WHATOURLEARNERSARESAYING:
5 STARS– Anyone willing to learn Spring Cloud API’s and Spring Rest must enroll for the course without second-thoughts.
5 STARS– Probably I can say this is best tutorial for Spring boot as well as Micro Service for the learners who have just started there work/projects on these technologies.
5 STARS– This was an excellent course! The instructor provided great examples that were straight-forward and easy to understand….. I would highly recommend his courses if you want to solid introduction to spring boot and the spring framework.
5 STARS– Very helpful for the beginners as well as experienced people to gain knowledge on Restful Web-services and Spring boot. Thank you for such a nice tutorial.
5 STARS– This was perfect course to get introduced to the world of microservices. Instructor explained each topic by first listing the problems that the particular solution is going to solve.
5 STARS– Great course, the teacher explains everything in a good way making good examples that makes easy to understand how this knowledge can be use in real project. All the courses of in28minutes are great, i’m waiting for the next great course.
5 STARS– The instructor’s has a unique style of teaching which is very uncomplicated , up-to-the point and very effective. Great job!
5 STARS– This one is the most awesome course that I have ever purchased in udemy!
COURSEOVERVIEW:
Developing RESTful web services and RESTAPI is fun. The combination of Java, Spring Boot, Spring Web MVC, Spring Web Services and JPA makes it even more fun. And its even more fun to create Microservices.
There are two parts to this course – RESTful web services and Microservices
Architectures are moving towards microservices.RESTful web services are the first step to developing great microservices. Java and Spring Boot, in combination with Spring Web MVC (also called Spring REST) makes it easy to develop RESTful web services.
In the first part of the course, you will learn the basics of RESTful web services developing resources for a social media application. You will learn to implement these resources with multiple features – versioning, exception handling, documentation (Swagger), basic authentication (Spring Security), filtering and HATEOAS. You will learn the best practices in designing RESTful web services.
In this part of the course, you will be using Spring (Dependency Management), Spring MVC (or Spring REST), Spring Boot, Spring Security (Authentication and Authorization), Spring Boot Actuator (Monitoring), Swagger (Documentation), Maven (dependencies management), Eclipse (IDE), Postman (REST Services Client) and Tomcat Embedded Web Server. We will help you set up each one of these.
In the second part of the course, you will learn the basics of Microservices. You will understand how to implement microservices using Spring Cloud.
In this part of the course, you will learn to establish communication between microservices, enable load balancing, scaling up and down of microservices. You will also learn to centralize the configuration of microservices with Spring Cloud Config Server. You will implement Eureka Naming Server and Distributed tracing with Spring Cloud Sleuth and Zipkin. You will create fault tolerant microservices with Zipkin.
In the third part of the course, you will learn the basics of Docker. You will understand how to build containers for microservices built using Docker and Spring Cloud.
In the fourth part of the course, you will learn the basics of Kubernetes. You will understand how to orchestrate microservices with Kubernetes.
WHATTOEXPECTFROMEVERYIN28MINUTESCOURSE
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HEREAREAFEWREVIEWSONTHEIN28MINUTESWAY
5 STARS – Excellent, fabulous. The way he has prepared the material and the way he teaches is really awesome. What an effort .. Thanks a million
5 STARS – A lot of preparation work has taken place from the teacher and this is visible throughout the course.
5 STARS – This guy is fantastic. Really. Wonderful teaching skills, and goes well out of his way to make sure that everything he is doing is fully understood. This is the kind of tutorial that gets me excited to work with a framework that I may otherwise not be.
5 STARS – The best part of it is the hands-on approach which the author maintained throughout the course as he had promised at the beginning of the lecture. He explains the concepts really well and also makes sure that there is not a single line of code you type without understanding what it really does.
5 STARS – I also appreciate the mind and hands approach of teaching something and then having the student apply it. It makes everything a lot clearer for the student and uncovers issues that we will face in our project early.
5 STARS – Amazing course. Explained super difficult concepts (that I have spent hours on the internet finding a good explanation) in under 5 minutes.
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STEPBYSTEPDETAILS
RESTful Web Services
- Step 01 – Initializing a RESTful Services Project with Spring Boot
- Step 02 – Understanding the RESTful Services we would create in this course
- Step 03 – Creating a Hello World Service
- Step 04 – Enhancing the Hello World Service to return a Bean
- Step 05 – Quick Review of Spring Boot Auto Configuration and Dispatcher Servlet – What’s happening in the background?
- Step 06 – Enhancing the Hello World Service with a Path Variable
- Step 07 – Creating User Bean and User Service
- Step 08 – Implementing GET Methods for User Resource
- Step 09 – Implementing POST Method to create User Resource
- Step 10 – Enhancing POST Method to return correct HTTP Status Code and Location URI
- Step 11 – Implementing Exception Handling – 404 Resource Not Found
- Step 12 – Implementing Generic Exception Handling for all Resources
- Step 13 – Exercise : User Post Resource and Exception Handling
- Step 14 – Implementing DELETE Method to delete a User Resource
- Step 15 – Implementing Validations for RESTful Services
- Step 16 – Implementing HATEOAS for RESTful Services
- Step 17 – Overview of Advanced RESTful Service Features
- Step 18 – Internationalization for RESTful Services
- Step 19 – Content Negotiation – Implementing Support for XML
- Step 20 – Configuring Auto Generation of Swagger Documentation
- Step 21 – Introduction to Swagger Documentation Format
- Step 22 – Enhancing Swagger Documentation with Custom Annotations
- Step 23 – Monitoring APIs with Spring Boot Actuator
- Step 24 – Implementing Static Filtering for RESTful Service
- Step 25 – Implementing Dynamic Filtering for RESTful Service
- Step 26 – Versioning RESTful Services – Basic Approach with URIs
- Step 27 – Versioning RESTful Services – Header and Content Negotiation Approaches
- Step 28 – Implementing Basic Authentication with Spring Security
- Step 29 – Overview of Connecting RESTful Service to JPA
- Step 30 – Creating User Entity and some test data
- Step 31 – Updating GET methods on User Resource to use JPA
- Step 32 – Updating POST and DELETE methods on User Resource to use JPA
- Step 33 – Creating Post Entity and Many to One Relationship with User Entity
- Step 34 – Implementing a GET service to retrieve all Posts of a User
- Step 35 – Implementing a POST service to create a Post for a User
- Step 36 – Richardson Maturity Model
- Step 37 – RESTful Services Best Practices
Microservices with Spring Cloud
- Step 01 – Part 1 – Introduction to Limits Microservice and Spring Cloud Config Server
- Step 01 – Part 2 – Setting up Limits Microservice
- Step 02 – Creating a hard coded limits service
- Step 03 – Enhance limits service to pick up configuration from application properties
- Step 04 – Setting up Spring Cloud Config Server
- Step 05 – Installing Git
- Step 06 – Creating Local Git Repository
- Step 07 – Connect Spring Cloud Config Server to Local Git Repository
- Step 08 – Configuration for Multiple Environments in Git Repository
- Step 09 – Connect Limits Service to Spring Cloud Config Server
- Step 10 – Configuring Profiles for Limits Service
- Step 11 – A review of Spring Cloud Config Server
- Step 12 – Introduction to Currency Conversion and Currency Exchange Microservices
- Step 13 – Setting up Currency Exchange Microservice
- Step 14 – Create a simple hard coded currency exchange service
- Step 15 – Setting up Dynamic Port in the the Response
- Step 16 – Configure JPA and Initialized Data
- Step 17 – Create a JPA Repository
- Step 18 – Setting up Currency Conversion Microservice
- Step 19 – Creating a service for currency conversion
- Step 20 – Invoking Currency Exchange Microservice from Currency Conversion Microservice
- Step 21 – Using Feign REST Client for Service Invocation
- Step 22 – Setting up client side load balancing with Ribbon
- Step 23 – Running client side load balancing with Ribbon
- Step 24 – Understand the need for a Naming Server
- Step 25 – Setting up Eureka Naming Server
- Step 26 – Connecting Currency Conversion Microservice to Eureka
- Step 27 – Connecting Currency Exchange Microservice to Eureka
- Step 28 – Distributing calls using Eureka and Ribbon
- Step 29 – A review of implementing Eureka, Ribbon and Feign
- Step 30 – Introduction to API Gateways
- Step 31 – Setting up Zuul API Gateway
- Step 32 – Implementing Zuul Logging Filter
- Step 33 – Executing a request through Zuul API Gateway
- Step 34 – Setting up Zuul API Gateway between microservice invocations
- Step 35 – Introduction to Distributed Tracing
- Step 36 – Implementing Spring Cloud Sleuth
- Step 37 – Introduction to Distributed Tracing with Zipkin
- Step 38 – Installing Rabbit MQ
- Step 39 – Setting up Distributed Tracing with Zipkin
- Step 40 – Connecting microservices to Zipkin
- Step 41 – Using Zipkin UI Dashboard to trace requests
- Step 42 – Understanding the need for Spring Cloud Bus
- Step 43 – Implementing Spring Cloud Bus
- Step 44 – Fault Tolerance with Hystrix
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FAQs
Is Spring Cloud necessary for microservices? ›
Spring Boot's many purpose-built features make it easy to build and run your microservices in production at scale. And don't forget, no microservice architecture is complete without Spring Cloud ‒ easing administration and boosting your fault-tolerance.
How much time it will take to learn microservices? ›| Course | Workload |
|---|---|
| 1. Microservices Full Course – Learn Microservices in 4 Hours (edureka!) | 3–4 hours |
| 2. Microservices: Clean Architecture, DDD, SAGA, Outbox & Kafka (EA Algorithm) | 18 hours |
| 3. Developing Cloud-Native Apps w/ Microservices Architectures (RedHat) | 2–3 hours |
Spring Cloud is Configuration server technology and communicate with many services and collect in one Application. Spring boot is a java based framework to work con auto-configuration in Web Application. Spring cloud is part of Spring boot, where Spring boot is Stand Alone, App – Centric Application framework.
Why should I choose Quarkus over Spring? ›Quarkus is another framework with a similar approach as the Spring mentioned above Boot, but with an additional promise of delivering smaller artifacts with fast boot time, better resource utilization, and efficiency. It's optimized for cloud, serverless, and containerized environments.
Which cloud is best for microservices? ›- Spring Boot with Spring Cloud. Spring Boot is popular Java framework for writing Microservices. ...
- Eclipse Vert. ...
- Oracle Helidon Microservices framework. ...
- GoMirco (Golang Microservices framework) ...
- Molecular (NodeJS Microservices framework) ...
- Quarkus Microservices framework. ...
- Micronaut. ...
- Lightbend Lagom Microservices framework.
In a nutshell, Spring Boot is an application used to develop a stand-alone Microservice application and Spring Cloud is used to configure the communication between those services. Hence both are needed to accomplish a production-grade microservices system.
What is the best language to write microservices? ›- The 3 most popular languages for microservices development are Java (41%), JavaScript (37%), and Python (25%).
- “We expect that more companies will use microservices in their projects in the future.
Reasons to learn microservices:
Easy to build and maintain applications. Offers high-quality code. Supports cross-team coordination. Flexibility of using varied tools.
Create a Java microservice client application from an existing Spring Boot Rest application. Create a Spring Cloud Configuration Server to manage configurations for the Microservices Application. Use server port 8080 to locate both Spring Microservices on the same Server port using Zuul.
What problems are solved by spring Cloud? ›- Network issues, latency overhead, bandwidth issues, security issues and other issues with distributed systems.
- Redundancy issues that occur in distributed systems.
- Balancing the distribution of load between resources like network links, CPU, clusters etc.
Is Spring Cloud still relevant? ›
Spring has done a lot for the cloud-native trend. For example, Spring Cloud supports the distributed architecture and is a necessary framework for distributed and cloud Java applications.
Should I learn Quarkus or Spring Boot? ›According to the test data, Quarkus often is better than Spring Boot, not only in the case of Native, where it should be better because it was initially designed for this approach, but even when using JVM, except for a couple of points. Startup Time, as promised by Quarkus, is faster than Spring Boot in all cases.
Why is Quarkus faster than Spring Boot? ›The application boot time is much faster with Quarkus compared to other frameworks such as Spring Boot. This is because of the build-time metadata processing mechanism and the fact that standalone native images are built using Graal or Substrate VM.
Why is Quarkus so fast? ›Quarkus applications only contain classes needed at runtime. This pre-processing results in less memory usage and a much faster startup time.
Which is the most complete platform for microservices? ›The Most Complete Platform for Microservices. AWS has integrated building blocks that support any application architecture, regardless of scale, load, or complexity.
Can a REST API be a microservice? ›Microservices are the blocks of your application and perform different services, while REST APIs work as the glue or the bridge that integrates these separate microservices. APIs can be made up, wholly or partially, out of microservices. Developers can use Microservices for a lot more, though.
Which API Gateway is best for microservices? ›#1 Kong. A Kong API gateway is a type of API gateway that is used to manage APIs. It is an open source project that is designed to make it easy to create and manage APIs. It provides a simple, fast, and scalable way to manage your APIs and microservices.
What is Spring cloud vs Spring Boot version? ›Spring Boot is a Java-based open-source framework for developing services. Its major goal is to cut down on development and testing time. Their apps don't need as much Spring setup as other Spring applications. Spring Cloud is a tool for centralizing form management.
Why Spring Boot is best for microservices? ›Spring Boot is an open-source tool that makes it easier for developers to create standalone digital products and production-ready spring applications including Java applications and web services. It uses a micro framework, which makes it most useful for creating microservices for websites and mobile apps.
Does spring cloud microservices need Eureka client? ›Starting with Spring Initializr
The first application (the service application) needs only the Eureka Server dependency. The second application (the client application) needs the Eureka Server and Eureka Discovery Client dependencies.
Where microservices are not recommended? ›
Application size is small or uncomplex
When your application size does not justify the need to split it into many smaller components, using a microservices framework may not be ideal. There's no need to further break down applications that are already small enough as-is.
You'll see how a microservice application is typically designed to have four tiers — platform, service, boundary, and client — and you'll learn what they are and how they combine to deliver customer-facing applications.
Which language is easiest for microservices? ›Java: Java microservices framework is a popular programming language amongst developers because it is reliable and readable. Using Java to develop microservices architecture is more advantageous. Developing Java microservices is a simple matter of understanding the solution.
How many layers are in microservices? ›The microservice architecture can be split into four layers and though these layers may seem to be separated, some elements of the architecture will overlap, or even touch every layer.
Is every API a microservice? ›APIs are not microservices. Microservices are not implementation of and API.
Does microservices need coding? ›Microservices lend themselves to containerization too, since they already are small applications with a limited set of dependencies. This means you can scale your services horizontally with technologies like Docker and Kubernetes without writing any customized code.
What should I know before learning microservices? ›- Benefits of Building Microservices. ...
- Failures Are Inevitable. ...
- You Need More Than Basic Monitoring. ...
- Operations Overhead. ...
- Developer Experience. ...
- Microservice Architecture Assessment Platform. ...
- Conclusion. ...
- References.
HTML and CSS
HTML, which stands for HyperText Markup Language, is one of the most common programming languages for beginners, as it's often seen as the most straightforward programming language to learn.
- Use cloud services for production infrastructure. ...
- Design for failure. ...
- Decentralize data management. ...
- Distribute governance. ...
- Automate infrastructure deployment, embrace CI/CD processes. ...
- Monitor, log and troubleshoot from the start.
One way to deploy your microservices is to use the Multiple Service Instances per Host pattern. When using this pattern, you provision one or more physical or virtual hosts and run multiple service instances on each one. In many ways, this the traditional approach to application deployment.
What is the best way to deploy microservices in AWS? ›
- Write Task Definitions for your Services. ...
- Configure the Application Load Balancer: Target Groups. ...
- Configure Listener Rules. ...
- Deploy your Microservices. ...
- Switch Over Traffic to your Microservices. ...
- Validate your Deployment.
Other challenges of microservices
More granularity means more moving parts, which increase complexity. The traditional logging is ineffective because microservices are stateless, distributed, and independent. The logging must be able to correlate events across several platforms.
Spring Cloud provides tools for developers to quickly build some of the common patterns in distributed systems (e.g. configuration management, service discovery, circuit breakers, intelligent routing, micro-proxy, control bus, one-time tokens, global locks, leadership election, distributed sessions, cluster state).
Does Netflix use spring Cloud? ›Spring Cloud Netflix provides Netflix OSS integrations for Spring Boot apps through autoconfiguration and binding to the Spring Environment and other Spring programming model idioms.
Which Cloud is best for Spring Boot? ›- Spring Framework DevOps on AWS. ...
- Master Pivotal Cloud Foundry (PCF) with Spring Microservices. ...
- Docker in AWS — Deploy Java Spring Boot to AWS Fargate & ECS. ...
- Master Azure Web Apps — Take Java Spring Boot Apps to Azure.
After some research it seems that Spring Cloud has moved over to Cloud Gateway and discontinued Netflix Zuul.
What is difference between Spring Cloud and AWS? ›Spring Cloud is just a set of tools (software) commonly used in the cloud, AWS is one of many cloud options, a place where you can deploy your apps.
Is Spring Boot still in demand? ›Spring Boot is highly in-demand and ultimate way to develop Java applications. Start developing your apps right now! 5 hours left at this price!
Why is Spring Boot not popular? ›Lack of control. Spring Boot creates a lot of unused dependencies, resulting in a large deployment file; The complex and time-consuming process of converting a legacy or an existing Spring project to a Spring Boot application; Not suitable for large-scale projects.
Which IDE is best for Spring Boot microservices? ›IntelliJ IDEA and Spring Boot. IntelliJ is a great development environment. This IDE is available as Community Edition and as Ultimate Edition. The Ultimate Edition contains a lot of features but it has to be purchased.
Should I learn Django or Spring Boot? ›
Django and Spring Boot belong to "Frameworks (Full Stack)" category of the tech stack. "Rapid development", "Open source" and "Great community" are the key factors why developers consider Django; whereas "Powerful and handy", "Easy setup" and "Java" are the primary reasons why Spring Boot is favored.
Which IDE is best for Quarkus? ›...
The following IDEs have support for the community developed Quarkus Tools:
- Quarkus Tools for Visual Studio Code.
- Quarkus Tools for Eclipse.
- Quarkus Tools for IntelliJ IDEA.
- Quarkus Tools for Eclipse Che.
We can combine constructor-based and setter-based types of injection for the same bean. The Spring documentation recommends using constructor-based injection for mandatory dependencies, and setter-based injection for optional ones.
Who are Quarkus competitors? ›Spring Boot, Spring, Kubernetes, Micronaut Framework, and Knative are the most popular alternatives and competitors to Quarkus.
Is Quarkus full stack? ›Quarkus is a full-stack, Kubernetes-native Java framework made for Java virtual machines (JVMs) and native compilation, optimizing Java specifically for containers and enabling it to become an effective platform for serverless, cloud, and Kubernetes environments.
Why is spring cloud needed? ›Spring Cloud provides tools for developers to quickly build some of the common patterns in distributed systems (e.g. configuration management, service discovery, circuit breakers, intelligent routing, micro-proxy, control bus, one-time tokens, global locks, leadership election, distributed sessions, cluster state).
Is Spring cloud still relevant? ›Spring has done a lot for the cloud-native trend. For example, Spring Cloud supports the distributed architecture and is a necessary framework for distributed and cloud Java applications.
Why do we need spring cloud gateway? ›Spring Cloud Gateway provides a library for building API gateways on top of Spring and Java. It provides a flexible way of routing requests based on a number of criteria, as well as focuses on cross-cutting concerns such as security, resiliency, and monitoring.
Why do we need spring cloud dependency? ›It provides us to monitor our every service, by providing one common UI. It helps developers to keep track of their services. easy to use, handle, and implements as well.
What is Spring Cloud interview questions? ›- Explain Spring cloud? or, What is Spring Cloud? ...
- What are the common features of Spring cloud? ...
- Explain load balancing? or What is load balancing? ...
- How load balancing is implemented in the Spring cloud? ...
- What is the meaning of Service registration and discovery?
Should I use Quarkus or Spring Boot? ›
Both Quarkus and Spring Boot offer a comprehensive stack of technologies and tools to build modern Java applications. Spring Boot is a more mature framework traditionally used in both monolithic and microservice architectures. Quarkus is more used in cloud and serverless contexts.
Which API gateway is best for microservices? ›#1 Kong. A Kong API gateway is a type of API gateway that is used to manage APIs. It is an open source project that is designed to make it easy to create and manage APIs. It provides a simple, fast, and scalable way to manage your APIs and microservices.
What is difference between ZUUL and Spring Cloud gateway? ›Zuul is built on servlet 2.5 (works with 3. x), using blocking APIs. It doesn't support any long lived connections, like websockets. Gateway is built on Spring Framework 5, Project Reactor and Spring Boot 2 using non-blocking APIs.
What is Cloud gateway in microservices? ›Route − These are the building blocks of the gateway which contain URL to which request is to be forwarded to and the predicates and filters that are applied on the incoming requests. Predicate − These are the set of criteria which should match for the incoming requests to be forwarded to internal microservices.
What is Spring Cloud vs Spring Boot version? ›Spring Boot is a Java-based open-source framework for developing services. Its major goal is to cut down on development and testing time. Their apps don't need as much Spring setup as other Spring applications. Spring Cloud is a tool for centralizing form management.
What are the 3 main concepts Spring Boot provides when it starts your application? ›With simple concepts like Dispatcher Servlet, ModelAndView, and View Resolver, it makes it easy to develop web applications.