AWS — Elastic Beanstalk

What is Elastic Beanstalk?

PaaS for deploying and scaling web applications.

Create application

aws elasticbeanstalk create-application \
  --application-name my-app

Create environment

aws elasticbeanstalk create-environment \
  --application-name my-app \
  --environment-name my-env \
  --solution-stack-name "64bit Amazon Linux 2 v3.4.6 running Python 3.9"

Deploy

# Upload zip
aws elasticbeanstalk create-application-version \
  --application-name my-app \
  --version-label v1 \
  --source-bundle S3Bucket=my-bucket,S3Key=app.zip

# Update environment
aws elasticbeanstalk update-environment \
  --environment-name my-env \
  --version-label v1

Configuration

# Set environment variables
aws elasticbeanstalk update-environment \
  --environment-name my-env \
  --option-settings '[
    {"Namespace": "aws:elasticbeanstalk:application:environment", "OptionName": "DB_HOST", "Value": "mydb.xxx"}
  ]'

Supported platforms

• Python
• Node.js
• Java
• Go
• Ruby
• .NET

Best practices

1. Use environment variables
2. Enable enhanced health
3. Use spot instances
4. Set up CI/CD

Mini Practice

1. Deploy a Python app
2. Configure environment variables
3. Set up SSL
4. Enable enhanced health

Up Next

Continue with CodePipeline - CI/CD Pipeline.