Cloud Computing Basics

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# AWS CLI Example
aws s3 cp file.txt s3://my-bucket/
aws ec2 start-instances --instance-ids i-12345

# Docker
FROM node:20
WORKDIR /app
COPY . .
RUN npm install
CMD ["node", "server.js"]

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models = {
    "IaaS": {
        "examples": "AWS EC2, Azure VMs, Google Compute",
        "manages": "Virtual machines, storage, networking",
        "you_manage": "OS, apps, data"
    },
    "PaaS": {
        "examples": "Heroku, Google App Engine, Azure Apps",
        "manages": "Runtime, middleware, OS",
        "you_manage": "Applications, data"
    },
    "SaaS": {
        "examples": "Gmail, Slack, Salesforce",
        "manages": "Everything",
        "you_manage": "Just use it"
    }
}

for model, info in models.items():
    print(f"
{model}:")
    for key, val in info.items():
        print(f"  {key}: {val}")