4. Backend Introduction

Syllabus Points Covered

Programming for the web

Data transmission using the web

• Explore the applications of web programming

  • interactive website/webpages

• Investigate and describe the function of web protocols and their ports

  • HTTP

Designing web applications

• Model elements that form a web development system

  • client-side (front-end) web programming

  • server-side (back-end) web programming

• Observe and describe the back-end process used to manage a web request

  • role of webserver software

  • web framework

  • objects

  • libraries

Chapter Contents

• 4.1. Overview
  • 4.1.1. History
  • 4.1.2. Python
• 4.2. HTTP
  • 4.2.1. HTTP Protocol Overview
  • 4.2.2. HTTP Requests and Responses
  • 4.2.3. Glossary
• 4.3. Server Side Scripting
  • 4.3.1. Example
  • 4.3.2. Databases
  • 4.3.3. Glossary
• 4.4. Flask Intro
  • 4.4.1. Hello World with Flask
  • 4.4.2. What’s the time?
  • 4.4.3. References
  • 4.4.4. Glossary
• 4.5. Handling Requests
  • 4.5.1. Route Decorator
  • 4.5.2. Flask Routing System
  • 4.5.3. Two Routes Example
  • 4.5.4. A Complete Example
• 4.6. Serving Static Files
  • 4.6.1. Flask Project Structure
  • 4.6.2. The static directory
  • 4.6.3. Example: Serving CSS
  • 4.6.4. Example: Serving Images
  • 4.6.5. Glossary