What is PaaS (Platform as a Service)?

PaaS stands for Platform as a Service.
In this cloud computing model, the cloud provider offers a ready-to-use platform that includes:

• Runtime environment
• Development tools
• Middleware
• Database support

This platform allows developers to deploy, run, and manage applications without worrying about the underlying infrastructure.

🧩 How PaaS Works

In a PaaS model:

• You do not get access to the operating system
• You focus only on application code and configuration
• The platform is already set up and maintained by the cloud provider
• You simply deploy your application on the provided environment and start using it—no server setup required.

🛡️ Admin Responsibilities in PaaS

One of the biggest advantages of PaaS is reduced operational responsibility.

The cloud provider takes care of:

• Operating system management
• Patching and updates
• Infrastructure maintenance
• Automated backups
• Scaling and availability

As a user, you only manage:

• Application logic
• Data
• Configuration settings

👉 This makes PaaS highly developer-friendly.

💸 Pricing Model in PaaS

PaaS generally follows a pay-per-service pricing model.
For example:

• You pay for the platform or service you use
• Pricing may depend on app usage, number of users, or resources consumed
• This model is cost-effective, especially for startups and development teams.

🔄 Lift and Shift with PaaS

• PaaS can also be used for lift and shift, especially when:
• Customers want to migrate applications to the cloud
• They do not want to manage admin tasks
• Minor or no application changes are required

In such cases, PaaS is an ideal choice because the platform already handles infrastructure and OS management.

🎯 Takeaway: When Should You Choose PaaS?

• PaaS is the right choice when:
• You want to focus on application development, not infrastructure
• You don’t want to manage OS, patching, or backups
• You need faster development and deployment
• Your team prefers automation and scalability

✅ Key Takeaway

Platform as a Service removes infrastructure complexity and lets developers focus purely on building and running applications.
It’s the perfect balance between control and convenience in cloud computing.

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