AWS Serverless REST APIs for Java Developers. CI/CD included from Udemy

AWS Serverless is probably the quickest way to build a very stable REST APIs that scale to serve millions of users. A very simple Mock API can be created and deployed in minutes. An API that uses AWS Lambda compute service will take longer but how much longer will depend on the business logic that you need to write.

In this video course, you will learn what is REST API and how to create one using AWS Serverless Services.

You will learn in detail how to use Amazon API Gateway to create REST APIs, and AWS Lambda Compute Service to execute business logic. The course is designed for absolute beginners, so you do not need to have any experience with AWS Serverless.

By the end of this course, you will be able to:

Create RESTful API endpoints,
Build and deploy API with AWS SAM,
Validate HTTP request body and request parameters,
Transform HTTP request body into a different model,
Transform HTTP response JSON into a different one,
Deploy APIs into different stages,
Perform Canary Release Deployments and shift traffic between different versions of APIs,
Publish multiple versions of Lambda functions and shift traffic between these functions,
Document and Export REST API,
Implement User Sign-up with Amazon Cognito,
Learn to use Cognito Authorizer to control who can access your API in Amazon API Gateway,
Implement custom Lambda Authorizer that validates JWT,
Secure API endpoints with API Keys and learn to configure requests Throattling and Quota,
Unit Test AWS Lambda functions,
Build CI/CD Pipeline using AWS CodeCommit, AWS CodeBuild and AWS CodePipeline developer tools.

If you want to learn how to build REST APIs quickly, without starting, configuring, and managing any servers, then this course is for you.

What's inside

Syllabus

Introduction

Welcome from the instructor

Introduction to REST API

AWS Serverless services overview

Reviews summary

Aws serverless rest apis for java devs

According to learners, this course provides a positive and practical approach for Java developers looking to build serverless REST APIs on AWS. Students particularly appreciate the hands-on labs and the detailed coverage of CI/CD pipeline implementation using AWS tools, finding it highly applicable to real-world scenarios. While the core content covering API Gateway, Lambda, and AWS SAM is generally well-received and the instructor's explanations are often described as clear, some reviewers noted initial setup difficulties with tools like AWS SAM and the CLI, suggesting it might require some prior AWS knowledge despite being marketed for beginners to serverless. Areas mentioned for potential improvement include deeper coverage of code examples, debugging, and testing.

Well-suited for Java developers learning AWS serverless.

"Highly recommend for Java devs getting into serverless."

"Absolutely brilliant! As a Java developer, this course connected the dots..."

"Solid foundation course. Covers the key AWS services needed for serverless APIs with Java."

Offers strong practical labs and real-world application.

"the hands-on labs are excellent."

"Excellent practical guide! This course demystifies AWS Serverless..."

"Building the full CI/CD pipeline was a great takeaway."

"Super helpful for practical serverless development. The labs guide you step-by-step."

Could benefit from more depth in certain areas.

"sometimes the code examples moved a bit fast."

"I found myself referring to AWS documentation frequently to understand certain configurations."

"error handling and testing could have been covered in more depth."

"the Java code examples could be more robust."

Initial setup can be difficult for some learners.

"Had some trouble setting up AWS SAM locally initially."

"Struggled with the setup process and some explanations felt incomplete."

"the setup was a nightmare. AWS SAM and CLI configuration issues took forever to resolve."

"Assumes more prior AWS knowledge than stated."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in AWS Serverless REST APIs for Java Developers. CI/CD included with these activities:

Review REST API Fundamentals

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Solidify your understanding of REST API principles before diving into AWS serverless implementation. This will help you grasp the 'why' behind the 'how' of API Gateway and Lambda.

Browse courses on REST API

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Review the core concepts of REST: resources, URIs, HTTP methods, and status codes.
Study common API design patterns and best practices.
Practice designing a simple REST API for a familiar domain.

Brush Up on Java and Maven

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Ensure you have a comfortable grasp of Java and Maven before starting the course. This will allow you to focus on the AWS serverless aspects rather than struggling with the underlying language and build tool.

Browse courses on Java

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Review Java syntax, data structures, and object-oriented programming principles.
Practice writing and compiling simple Java programs using Maven.
Familiarize yourself with Maven's dependency management and build lifecycle.

Follow AWS SAM CLI Tutorials

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Gain hands-on experience with the AWS SAM CLI by working through official tutorials. This will help you understand how to define, build, and deploy serverless applications.

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Complete the 'Hello World' SAM tutorial to deploy a basic Lambda function and API Gateway endpoint.
Explore tutorials that demonstrate more advanced features, such as connecting to databases or using different event sources.
Experiment with customizing the SAM template to fit your specific needs.

Four other activities

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Implement API Validation Scenarios

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Practice implementing different API validation scenarios using API Gateway's request validation features. This will reinforce your understanding of how to secure and protect your APIs.

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Create API Gateway models to define the structure of your request bodies.
Configure request validation rules to enforce data types, required fields, and other constraints.
Test your validation rules with different request payloads to ensure they are working as expected.

Build a Simple CRUD API

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Apply your knowledge by building a simple CRUD (Create, Read, Update, Delete) API using AWS Lambda, API Gateway, and a database like DynamoDB. This will solidify your understanding of the entire serverless API development lifecycle.

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Design the API endpoints and data model for your CRUD API.
Implement Lambda functions to handle each CRUD operation.
Configure API Gateway to route requests to the appropriate Lambda functions.
Connect your Lambda functions to a DynamoDB table to store and retrieve data.

Document Your API with Swagger/OpenAPI

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Create comprehensive documentation for your serverless API using Swagger/OpenAPI. This will help you understand how to make your API discoverable and easy to use for other developers.

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Generate a Swagger/OpenAPI definition for your API using API Gateway's export functionality.
Customize the definition to add more detailed descriptions, examples, and other helpful information.
Use a Swagger/OpenAPI editor to visualize and test your API documentation.

Read 'Serverless Architectures on AWS'

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Expand your understanding of serverless architectures by reading 'Serverless Architectures on AWS'. This book provides a broader perspective on the topic and covers advanced concepts not covered in the course.

View Serverless Architectures on AWS, Second Edition on Amazon

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Read the chapters related to API Gateway and Lambda to deepen your understanding of these services.
Explore the case studies to see how serverless architectures are used in real-world applications.
Consider how you can apply the architectural patterns and best practices discussed in the book to your own projects.

Career center

Learners who complete AWS Serverless REST APIs for Java Developers. CI/CD included will develop knowledge and skills that may be useful to these careers:

API Developer

An API Developer builds and maintains application programming interfaces that allow different software systems to communicate. This course directly aids aspiring API Developers by teaching the fundamentals of REST API creation and deployment using AWS serverless services. This includes practical skills such as building and deploying APIs with AWS SAM, validating HTTP request bodies, transforming HTTP requests, and securing API endpoints. Furthermore, the knowledge of API documentation and export will greatly benefit someone working as an API Developer. This course hands-on approach to building and deploying REST APIs prepares you for real-world API development challenges.

See salaries and explore the career path for API Developer

Serverless Architect

The Serverless Architect focuses on designing and implementing applications using serverless computing models. This course prepares one for success as a Serverless Architect through its detailed exploration of AWS serverless services and REST API development. By mastering the creation and deployment of APIs with AWS SAM, validating HTTP requests, and implementing user sign-up with Amazon Cognito, you gain essential skills for building scalable serverless applications. The content on CI/CD pipelines using AWS developer tools especially positions you to excel in designing and implementing serverless architectures. A Serverless Architect will find this course highly applicable to their daily work.

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Cloud Engineer

A Cloud Engineer implements, manages, and supports cloud computing environments. This course is highly relevant to developing the skills needed by a Cloud Engineer, with its focus on AWS serverless technologies for building REST APIs. Specifically, the course covers creating and deploying APIs with AWS SAM, validating HTTP requests, transforming HTTP request and response payloads, and implementing CI/CD pipelines. By mastering these skills, you can effectively build and manage scalable cloud-based applications, making this course a valuable asset for any Cloud Engineer.

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Cloud Architect

A Cloud Architect designs and oversees the implementation of cloud computing strategies. This course helps those who are interested in becoming a Cloud Architect by providing hands-on experience with AWS serverless technologies and REST API creation. The course specifically addresses the creation of RESTful API endpoints, deployment with AWS SAM, and securing API endpoints, all critical skills for designing robust cloud architectures. Understanding AWS API Gateway and Lambda compute services, as covered in the course, proves valuable in architecting scalable and efficient cloud solutions. This offers a strong foundation for a Cloud Architect.

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Backend Engineer

A Backend Engineer is responsible for the server-side logic and databases that power applications. This course directly supports the responsibilities of a Backend Engineer by providing in-depth training on building REST APIs using AWS serverless technologies. The skills acquired in this course, such as creating RESTful API endpoints, using AWS Lambda and API Gateway, and implementing user sign-up with Amazon Cognito, are crucial for developing scalable and secure backend systems. The CI/CD pipeline training also helps Backend Engineers automate deployment processes. For those seeking to strengthen their backend development skills with serverless technologies, this course is a great choice.

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DevOps Engineer

A DevOps Engineer automates and streamlines software development and deployment processes. This course assists those who are interested in becoming a DevOps Engineer through its comprehensive coverage of CI/CD pipelines using AWS CodeCommit, AWS CodeBuild, and AWS CodePipeline. The ability to build and deploy APIs with AWS SAM, perform Canary Release Deployments, and implement automated testing are all highly relevant to the DevOps role. Moreover, understanding AWS serverless technologies and API Gateway as taught in this course helps you optimize deployment strategies. A DevOps Engineer will find this course highly relevant.

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Solutions Architect

The Solutions Architect designs and implements solutions to complex business problems using technology. This course provides valuable skills for a Solutions Architect through its focus on building REST APIs with AWS serverless services. The course's coverage on API Gateway, Lambda, Cognito, and CI/CD pipelines enables you to design scalable and secure solutions. Understanding considerations for selecting appropriate AWS resources, and the ability to create a total solution for a business problem ensures a Solutions Architect can benefit from this course. Such a professional works with AWS technologies every day.

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Software Developer

A Software Developer designs, codes, and tests software applications. This course will be helpful to a Software Developer by providing practical experience in building REST APIs using AWS serverless technologies. The course covers creating API endpoints, building and deploying APIs with AWS SAM, validating HTTP requests, and transforming data. Moreover, the CI/CD training and unit testing sections empower a Software Developer to deliver high-quality, scalable applications. For a software developer targeting cloud-based applications, this course may be useful.

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System Architect

A System Architect designs and integrates IT systems to meet organizational needs. This course may be useful to a System Architect due to its focus on building REST APIs using AWS serverless technologies. The course content related to API Gateway, Lambda, and CI/CD pipelines helps you design scalable and secure systems. Those who wish to increase exposure to cloud platforms and AWS services may consider this to be a reasonable option.

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Technical Lead

A Technical Lead manages a team of developers and guides technical direction. This course may be useful for a Technical Lead, as familiarity with AWS serverless technologies and REST API creation becomes increasingly valuable for managing cloud-focused teams. The course provides a solid understanding of API deployment, security, and CI/CD pipelines, enabling a Technical Lead to guide their team effectively. It will be up to the role-holder to decide whether this will be a good fit.

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Data Engineer

The Data Engineer builds and maintains data pipelines and infrastructure for data storage and processing. This course has limited applicability to a Data Engineer since it is designed to focus on REST APIs using AWS serverless technologies. Data Engineers typically work with large datasets and data processing frameworks. The course provides instruction on API Gateway, Lambda, and CI/CD pipelines, all of which are not essential for the Data Engineer role. Data Engineers may not find this very useful.

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Security Engineer

A Security Engineer focuses on protecting computer systems and networks from cyber threats. This course has limited applicability for a Security Engineer since it is designed to focus on REST APIs using AWS serverless technologies. The course provides some instruction related to API security with API Keys and request throttling, and that will prove helpful. Security Engineers typically require a background in security protocols and threat assessment, and this course only makes a small contribution. The Security Engineer will likely not find this a good fit.

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Database Administrator

The Database Administrator manages and maintains databases to ensure data is available and secure. This course might be helpful for a Database Administrator, as it focuses on building REST APIs using AWS serverless technologies. Managing databases requires a different set of skills, and this course offers knowledge of API Gateway, Lambda, and CI/CD pipelines, which all are not directly related to database management. The Database Administrator will find that this course has limited applicability.

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Network Manager

A Network Manager oversees the design, implementation, and maintenance of an organization's network infrastructure. This course has very little applicability for a Network Manager since it is designed to focus on REST APIs using AWS serverless technologies. A Network Manager focuses on network infrastructure and configurations. The Network Manager may not benefit from this course.

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Help Desk Technician

A Help Desk Technician provides technical support to end-users to resolve hardware and software issues. This course is not applicable to a Help Desk Technician, who primarily focuses on troubleshooting end-user issues. The Help Desk Technician will not benefit from this course.

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AWS Serverless REST APIs for Java Developers. CI/CD included

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Aws serverless rest apis for java devs

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