How to create a new AWS Elastic BeanStalk Web App

AWS Elastic BeanStalk is an AWS service which flexibly and quickly deploys web applications built in Java, Node.js, Python, Ruby, PHP, or .NET. Even though the management interface for these applications is simplified from a traditional full stack deployment, AWS doesn’t limit our options for configuration or customization. With AWS Elastic BeanStalk, we can reduce the amount of operational overhead required when deploying web applications, and can focus more on true DevOps deployments.

In this article, we’ll cover how to get up and running with a simple PHP application in AWS Elastic BeanStalk. I’ll show you how to create an application, view your environment, deploy a new version of an app, change the configuration, and clean up your AWS environment.

Prerequisites

One of the nice parts about AWS Elastic BeanStalk is that it is included in the AWS Free Tier of applications! This means that the prerequisites for running this service are fairly straightforward:

  • You must have an AWS Account

That’s it! Since AWS Elastic BeanStalk is available in all regions, the initial setup of Elastic BeanStalk is a breeze. It is a simple service to get started within AWS.

Creating an AWS Elastic BeanStalk Application

Since creating an application is out of the scope of this document, we will use the AWS example PHP application that you can download for yourself here. Once downloaded, log in to your AWS Management Console and find the Elastic BeanStalk service in the main menu under “Compute” resources.

 

AWS Elastic BeanStalk
Selecting Elastic Beanstalk

Once in the AWS Elastic BeanStalk menu, click “Create New Application” to get started. Here, we will provide a name and a short description for our simple PHP application.

AWS Elastic BeanStalk
Naming EB Application

Once named, click create and we will get started building the environment for the application to be deployed into. To do this, click “Create one now” on the following screen:

AWS Elastic BeanStalk
Creating a new environment for EB

For our environment selection, we have two options. The first option is for a web server environment, and the second is for a worker environment. The most significant difference is that the web server environment serves a website or API that responds to HTTP requests, whereas the worker environment is more like a listener to react to messages from an Amazon SQS queue. Since our application is a PHP application serving a simple website, we’ll choose the web server environment.

Once the web server environment is selected, we are given the configuration and customization options for the environment.

AWS Elastic BeanStalk
Web server environment customization

For the environment information, the application name is prepopulated from the previous screen. The environment name can be customized in case you have nomenclature in your environment that you prefer to use. You’re able to specify a custom domain, or you can leave it blank for a default value, as well as give your environment a description. Keep in mind, you can recycle environments, so if you have multiple PHP applications, you’ll want to name it so that you’ll remember that.

Under the base configuration heading, we’ll select the “PHP Preconfigured Platform” since AWS already has one maintained for us. You can choose to use a custom platform if you want to create and publish one for your use. Depending on your application, this may be a useful option.

For our code, we’ll upload the code that we downloaded earlier. You can also choose to publish a “sample app” in this menu if you didn’t download the code from earlier. Also, if you’re looking to load a previous version of the code you’ve uploaded, you can specify that with the “Existing Version” code, and select the appropriate option.

Lastly, you’ll notice the “Configure More Options” button at the bottom. If you look here, you can configure high availability or custom hardware settings. By default, this value is the lower cost, “free tier eligible” service. For our sample app, this will surely suffice.

Once we’re satisfied with our configuration options for the environment, we click “Create environment.” You can view on the next screen that the environment gets created and started.

AWS Elastic BeanStalk
Elastic BeanStalk Environment Creation

Viewing and Configuring your Environment

Now that the environment is successfully deployed, let’s go back and view it to see what all is available to us for monitoring the service. We can visit this by selecting “Elastic BeanStalk” from the AWS Management Console dashboard, then clicking on our EB environment we’d like to view. Once we’ve done that, we’re taken to the Elastic BeanStalk Dashboard menu. Here, we can see the most recent events that have happened to our environment, a simple health check, as well as the version of code currently deployed, and essential environment configuration details.

AWS Elastic BeanStalk
Elastic BeanStalk Dashboard

The simplest way to check the service deployment is by going to the URL provided in the top dashboard menu of the Elastic BeanStalk environment. For our deployment, we’ll see the PHP application that we deployed, which is a success message for our first deployment.

AWS Elastic BeanStalk
PHP Deployed app

Let’s drill down into this menu further to see how all we can manually configure the environment.

Configuration

Much like in the initial setup, we can view and modify the configuration options for the environment, like the instance types, security settings, a configured load balancer, and more.

AWS Elastic BeanStalk
Elastic BeanStalk Configuration Overview

To reconfigure our environment, we can just select “Modify” on the settings we want to change, and save them into our environment to be redeployed.

Logs

For logging, if configured and enabled, we can request the logs from the Elastic BeanStalk environment. If we’re troubleshooting a problem, we can select the “Last 100 Lines” option for our logs, and get to the matter right away. There is also a “Full logs” option for a complete view of the environment.

Health

We can view an enhanced view of the Health check from the dashboard from within this sub-menu. Here, we can see each running instance of our Elastic BeanStalk deployed application, and take appropriate actions in unhealthy instances.

AWS Elastic BeanStalk
Reboot Elastic BeanStalk instance

This health check gets more complicated the more instances you have running, so there are also advanced filtering and selection options for the health check.

Monitoring

Under the Monitoring tab, we have access to resource utilization statistics across your environment. In addition to the defaults, you can create custom CloudWatch metrics to report on from this dashboard. This is a quick view to monitor usage of your environment.

You can also, from this menu, create Alarms for each CloudWatch check that you’ve configured. Do this by clicking on the bell icon next to the metric you’d like to create an alarm for.

AWS Elastic BeanStalk
Click to create an alarm

Once clicked, you can create a configuration to notify you of the alarm status based on an SNS topic which you can quickly create from this menu as well. Once you configure your rule, click “Add” to add the alarm to the monitoring dashboard.

AWS Elastic BeanStalk
Alarm creation from Monitoring dashboard

Alarms

Once the alarm is created, we can visit the “Alarms” sub-menu to view the alarm status as well as any associated graph to the metric being monitored. Once the initial alarm creation is completed, alarms can be modified from this menu as well.

Managed Updates

Managed Updates is a configuration option available in the Configuration menu. Here you can see the update settings configured by your environment. You can view the schedule the updates are to run on, whether the updates include minor updates as well as patches, and whether or not updates will destroy old instances and create new ones.

Events

The events menu details environment updates and instance creation. Think of it as a simple logging system for your Elastic BeanStalk environment. Here, you can sort your events view by time and severity so if you want to view critical errors over the last 30 minutes, you could do so to quickly troubleshoot anything wrong in your environment settings.

Tags

The tagging menu is useful once we have several different deployed apps across our environment. By using tagging, you can add unique keys and values to sort and filter your application deployments in Elastic BeanStalk. In the long run, this reduces operational overhead because you can apply your future scripts to the environments by tag to update, manage, or reconfigure them in bulk.

Deploying New Code

Manually deploying new code with AWS Elastic BeanStalk is very simple. In the environment dashboard for your application deployment, select the “Upload and Deploy” button under “Running Version”

AWS Elastic BeanStalk
Upload and Deploy

Once selected, navigate to the new .zip of your code on your machine and upload. Be sure to give your code a meaningful version label as well, such as “v2” or “1.0.01”

AWS Elastic BeanStalk
Upload and Deploy (2)

When you click deploy, your new code will be pushed out to your running instances, and you’ll be automatically taken to a page to monitor the deployment.

Manual rollbacks

To roll back your application to a previous version, we have to take a step back in the breadcrumbs in the Elastic BeanStalk dashboard.

AWS Elastic BeanStalk
Breadcrumb navigation to rollback code

Once here, you can select the “Application Versions” sub-menu, select the version of code you’d like to deploy, then click “Deploy”.

AWS Elastic BeanStalk
Manual rollback

From this menu, you can also upload new code, delete bad versions of code, and even set a code lifecycle policy for retention and deletion.

Automations

If an automated process sounds better to you than manually uploading code repeatedly, there are options for that. Although out of the scope of this document, by using services such as AWS CodeDeploy and Jenkins, you can automate the deployment of your code to Elastic BeanStalk from a version control management system of your choice.

Cleaning up AWS

The cleanup of the operations we’ve created today is pretty simple as well. If you’ve been following along, then you should also have an Elastic BeanStalk application up and running in your AWS environment. Although this is fine being used for free tier, to avoid being charged in the future we should probably remove it.

To do this, let’s revisit the Elastic BeanStalk dashboard by clicking Services -> Elastic BeanStalk in the top of the AWS Management Console. Once here, we can identify our application, select “Actions”, then “Delete application”

AWS Elastic BeanStalk
Elastic BeanStalk environment deletion

Summary

In this article we’ve walked through a simple AWS Elastic BeanStalk deployment, we’ve seen how to modify and configure the service on the fly, and we’ve even worked through how to clean up the environment. During this time, we never had to configure a management server or service, we never had to configure auto-scaling or define templates for deploying our application at scale, and we very quickly spun up and tore down the service from scratch. By now, you should be able to see the extensibility and flexibility of the AWS Elastic BeanStalk service for your shop’s application deployments.

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About the Author

Guest author: Adam the AutomatorAdam Bertram is a 20-year veteran of IT. He’s an automation engineer, blogger, consultant, freelance writer, Pluralsight course author and content marketing advisor to multiple technology companies. Adam focuses on DevOps, system management, and automation technologies as well as various cloud platforms. He is a Microsoft Cloud and Datacenter Management MVP who absorbs knowledge from the IT field and explains it in an easy-to-understand fashion.

Catch up on Adam’s articles at adamtheautomator.com, connect on linkedin.com/in/adbertram or follow him on Twitter at @adbertram.

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