


Deploying Your Flask Application on AWS Elastic Beanstalk: A Comprehensive Guide
This guide walks you through deploying a Flask application (a portfolio website example) to AWS Elastic Beanstalk, addressing recent changes in Auto-Scaling Group policies. Whether you're a cloud novice or a seasoned developer, this step-by-step process simplifies the deployment.
Prerequisites:
- Familiarity with Flask and AWS Elastic Beanstalk.
- Flask installed (
pip install flask
).
Project Setup:
-
Clone the Repository: Clone the sample portfolio application from this GitHub repository: [GitHub Repo: ebs-demo](placeholder - replace with actual link if available). Use
git clone <repository_url></repository_url>
. -
Install Dependencies: Navigate to the project directory and run
pip install flask
. -
Run Locally: Start the application with
python3 application.py
. Test and customize (modifyindex.html
,img/Profile.jpeg
,style.css
).
The default portfolio looks like this:
Deployment to AWS Elastic Beanstalk:
Step 1: Package Your Application
Create a deployable zip archive:
zip -r flask_portfolio.zip . -x "venv/*" -x "*.git/*" -x "*.idea/*" -x "*.DS_Store"
This excludes unnecessary files.
Step 2: Create an Elastic Beanstalk Application
- Log in to the AWS Elastic Beanstalk console.
- Click "Create Application."
- Give your application a name (e.g.,
Flask-Demo
). - Select "Python" as the platform.
- Choose "Upload your code," upload
flask_portfolio.zip
, assign a version label (e.g.,v1
), and click "Next."
Step 3: Configure Service Role and EC2 Instance Profile
- Service Role: Create a new service role or select an existing one.
- EC2 Key Pair: Select an existing key pair.
-
EC2 Instance Profile: Create a new IAM role in the IAM console for EC2, attaching
AmazonSSMManagedInstanceCore
andCloudWatchLogsFullAccess
permissions. Name it (e.g.,Role-for-ec2-beanstalk
). Select this new role in Elastic Beanstalk.
Step 4: Network Configuration
- Select your default VPC.
- Enable a Public IP address and choose subnets. Keep other settings default.
Step 5: Traffic Configuration (Crucial)
- Root Volume Type: Select GP3 to avoid issues with Auto-Scaling Group policies.
Step 6: Monitoring and Platform Updates
- Select "Basic monitoring."
- Uncheck "Managed Updates."
Step 7: Review and Deploy
Review your settings and click "Submit." Deployment takes 5-7 minutes.
Your application will be accessible via the Elastic Beanstalk environment URL.
Conclusion:
You've successfully deployed your Flask application! This guide provides a foundation for further exploration of Elastic Beanstalk's scaling and monitoring capabilities. Continue learning and experimenting!
The above is the detailed content of How to Deploy a Flask Portfolio Website on AWS Elastic Beanstalk. For more information, please follow other related articles on the PHP Chinese website!

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