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Are you having a hard time to configure and manage your servers for deploying your Java Web Applications? If yes then you have come to the right place. So in this article, I will show you how to deploy Java Web application on AWS. The process of deploying your Java web application on AWS is completely hassle-free and is less time-consuming. Learn all about AWS with the AWS Course Online.
Here I will be covering the following pointers:
So let us begin with our first topic.
Amazon Web Services(AWS) is a cloud service from Amazon, which provides services in the form of building blocks, these building blocks can be used to create and deploy any type of application in the cloud. Get in-depth knowledge of Cloud Computing, AWS Architectural Principles, Migrating Applications on Cloud, and more with the Cloud Architect Masters Program.
These services or building blocks are designed to work with each other, and result in applications that are sophisticated and highly scalable.
Each type of service is categorized under a domain, the few domains which are widely used are:
Now that you know what AWS is, let me list down the benefits of deploying Java Web Applications in AWS.
Why Java Web Applications on AWS?
Easy to use
AWS is designed to allow application providers, ISVs, and vendors to quickly and securely host your applications – whether an existing application or a new SaaS-based application. You can use the AWS Management Console or well-documented web services APIs to access AWS’s application hosting platform.
AWS enables you to select the operating system, programming language, web application platform, database, and other services you need. With AWS, you receive a virtual environment that lets you load the software and services your application requires. This eases the migration process for existing applications while preserving options for building new solutions.
You pay only for the compute power, storage, and other resources you use, with no long-term contracts or up-front commitments. For more information on comparing the costs of other hosting alternatives with AWS, see the AWS Economics Center
With AWS, you take advantage of a scalable, reliable, and secure global computing infrastructure, the virtual backbone of Amazon.com’s multi-billion dollar online business that has been honed for over a decade.
Scalable and high-performance
Using AWS tools, Auto Scaling, and Elastic Load Balancing, your application can scale up or down based on demand. Backed by Amazon’s massive infrastructure, you have access to compute and storage resources when you need them.
AWS utilizes an end-to-end approach to secure and harden our infrastructure, including physical, operational, and software measures. For more information, see the AWS Security Center.
This video focuses on the complete AWS Course which is the ultimate tutorial for beginners or anyone who wishes to scale up in their career
Before we see how to deploy Java Web Application Let me share a few best practices that you must follow.
The size and installation complexity of web applications can vary greatly, therefore there is rarely a one-size-fits-all solution for deploying and hosting Java applications. However, there are some universal best practices to consider when deploying any web application:
Understand the deployment, installation, and configuration characteristics of the application.
Understand application expectations from initial deployment to future scalability, availability, and backup and recovery requirements.
Use automation whenever possible for deployment and other tasks where consistency is important.
Leverage source code or application repositories to protect your application.
Now let us see various types of Java applications and their mechanisms.
Learn more about Migrating to AWS and its framework from the AWS Cloud Migration Training.
The following video helps summarize all about Deploying Java Web Applications in AWS Elastic Beanstalk
AWS offers several tools and services to enable both AWS-managed and customer-managed Java application deployment. The table below is a high-level reference to help identify the most appropriate option for a specific scenario. The following sections describe these different approaches and their applicable use cases in more detail.
|Application Characteristics||Packaging Tools||Deployment Mechanism||Deployment Method/Environment|
|Custom Java applications developed in Eclipse||Eclipse||Single-click deployment from within Eclipse||AWS Toolkit for Eclipse|
|Java web applications deployed as a JAR, WAR, or ZIP file, and requiring minimal OS changes||JAR, WAR, or ZIP||Automated deployment of packaged application using AWS Elastic Beanstalk||AWS Elastic Beanstalk|
|Any Java application or server configuration, especially those needing customized OS or third-party installers||Existing custom installers, application archive (JAR, WAR, ZIP), manual file copy, etc.||Existing software deployment tools and processes or automated deployment services, such as AWS CodeDeploy or AWS OpsWorks.||EC2 Instances|
Elastic Beanstalk is an easy-to-use service for deploying and scaling Java web applications. Elastic Beanstalk supports several platform configurations for Java applications, including multiple versions of Java with the Apache Tomcat application server and Java-only configurations for applications that do not use Tomcat.
The Java-only option allows customers to include any required library JAR files in the source bundle for Java web applications that don’t use a web container or use a different one, such as Jetty or GlassFish. Once deployed, Elastic Beanstalk automatically manages capacity provisioning, load balancing, and Auto Scaling. This approach is appropriate for companies deploying Java applications that include the following criteria:
Elastic Beanstalk supports the following packaging and deployment mechanisms:
Custom applications developed and deployed directly to Elastic Beanstalk using Eclipse and the AWS Toolkit for Eclipse
Applications packaged into a JAR, WAR, or ZIP file, then deployed with the Elastic Beanstalk console, EB CLI, or Elastic Beanstalk API calls. To deploy multiple applications to one Elastic Beanstalk environment, customers can bundle multiple WAR files into a single ZIP file.
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Steps to Deploy a Java Application to AWS Cloud
Before proceeding further there are a few prerequisites for this.
Once you have all of this then we are good to go.
First, let us create a sample Java Web Application in Eclipse. For that Click on File -> New -> Dynamic Web Project. Now name the project with whatever name you want. Here I am naming it s DemoWebApp. Click on Next and then click on Finish. After this, you will see that your project has been created in your workspace.
Now you can create any web application such as servlets, JSP, etc. Here I will select JSP. For that right-click on DemoWebApp -> New -> JSP file. Name the file as sample.jsp. Once you do this then in the body section of this file, write a simple text such as ” This is a sample JSP” or whatever that you want.
Now I will test this application locally before going to AWS. For that, you need to navigate to your tomcat directory using the command prompt (since I am using Windows 10 OS) and use the command startup.bat. This will start tomcat.
Once Tomcat is started, go to your project on Eclipse. Right Click on Project and click on properties. Then click on Server and select Tomcat Server. Click on apply and close.
Now right-click on your project-> Run as-> Run on Server. If everything works you will be able to see the output that is the text ” This is a sample JSP”. With this, we have tested our application locally. Now right-click on your project -> Export -> WAR file. Here you enter the destination where you want to save the war file.
Now we will deploy this application on AWS. For this go to the AWS homepage. Click on Services -> Compute -> Elastic Beanstalk. Now click on create a new application. Enter the name of the application and create a new environment for it. Now select Web Server Environment. Now in Base Configuration, Select Tomcat in the Preconfigured Platform. In the Application Code select the WAR file that we created in the previous step. Now click on Upload.
Uploading the WAR file will take a few minutes. Once it is done you will see the following page. Here you can see the URL. Click on the URL and you will see a JSP with your text message in it.
So this is how you deploy the Java web application in AWS. With this, we have come to the end of this article on the Deploy Java Web App in AWS. I hope you have understood everything that I have explained here.
If you found this How to Deploy Java Web Application in AWS relevant, you can check out Edureka’s live and instructor-led AWS Solutions Architect Course co-created by industry practitioners.
Got a question for us? Please mention it in the comments section of this How to Deploy Java Web Application in AWS and we will get back to you.
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