Update a Bucketer bucket in Heroku to allow CORS GET requests from any domain via Bash Script

cors.json

{
  "CORSRules": [
    {
      "AllowedOrigins": ["*"],
      "AllowedHeaders": ["Authorization"],
      "AllowedMethods": ["GET"],
      "MaxAgeSeconds": 3000
    }
  ]
}

s3_cors_bucketer.sh

#!/bin/bash

# Check if AWS CLI is installed
if ! command -v aws &> /dev/null; then
    echo "AWS CLI is not installed. Proceeding with installation..."
    
    # Install AWS CLI
    curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
    unzip awscliv2.zip
    sudo ./aws/install
    
    # Verify installation
    if command -v aws &> /dev/null; then
        echo "AWS CLI has been installed successfully."
    else
        echo "Failed to install AWS CLI. Please install it manually."
        exit 1
    fi
else
    echo "AWS CLI is already installed."
fi

# Update AWS Credentials locally
echo "Signing into AWS"
export AWS_ACCESS_KEY_ID="$(heroku config:get BUCKETEER_AWS_ACCESS_KEY_ID)"
export AWS_SECRET_ACCESS_KEY="$(heroku config:get BUCKETEER_AWS_SECRET_ACCESS_KEY)"
export AWS_DEFAULT_REGION="$(heroku config:get BUCKETEER_AWS_REGION)"

# Update CORS Settings
aws s3api put-bucket-cors --bucket "$(heroku config:get BUCKETEER_BUCKET_NAME)" --cors-configuration file://cors.json

To install put both these files in your heroku project (anywhere is fine) and run chmod +x s3_cors_bucketer.sh

To update/run run the script (./s3_cors_bucketer.sh)