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Single Page Application with Perl Dancer

Gábor Szabó

These days Microservices with a REST API and a Single Page Application that is based on such API are all the rage. The are used all over the Internet and inside companies to solve real problems and enable people to do a better job.

This book will show you how to build such service use the modern Perl Dancer framework.

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About

About

About the Book

Perl Dancer is a modern, light-weight, route-based web framework written in Perl. It has been around since 2009. It is robust and can make it very easy to build solutions.

This book assumes basic Perl knowledge and some familiarity with the web. It starts from the beginning and takes you all the way deploying your application on a cloud-based service.

Dancer makes it very easy to build a REST-based API in front of a Microservice that can be used by other services in the company or that can be the back-end of a Single Page Application. Reading the book will help you understand these techniques and technologies. Doing the exercises that come with the book will ensure that you can implement such a service.

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Author

About the Author

Gábor Szabó

Gábor Szabó has been programming for more than 40 years in a number of languages and in various environments.

These days he usually helps companies improve their engineering practices by providing training, introducing test automation, CI/CD. Sometimes this includes building internal web sites. Gabor also loves explaining things and provides training to his corporate clients and also in the academia.

Gabor runs the Code Maven site and a number of its sub-site where he writes about technologies such as Python, Rust, Git, Continuous Integration, etc.

The first main language Gabor used was Perl and so he maintains the Perl Maven site and he is the chief editor of the Perl Weekly newsletter.

The books Gabor publishes are based on his course materials. They include lots of examples with detailed explanations. This way if you can't book a course with him, at least you can read the materials and learn by yourself.

If you have questions fell free to send him a message via LinkedIn.

Contents

Table of Contents

Preface

Status

Outline

  1. Part 1
  2. Part 2

Support

Exercises

Bug reporting

Changes

  1. v0.52 2018-07-10
  2. v0.44 2018-01-02
  3. v0.36 2017-11-06
  4. v0.25.1 2017-10-06
  5. v0.25 2017-10-03
  6. v0.15 2017-10-01
  7. v0.05 2017-09-26

Supporters

Contributors

History of Dancer

  1. Part 1

Setup development environment

  1. Development environment using Docker
  2. Running Hello World with Docker
  3. Running Hello Dancer with Docker
  4. TBD Building Docker image
  5. Development environment using Vagrant
  6. Install Perl
  7. Install Dancer
  8. Editors and IDEs

Hello World

  1. The code
  2. Troubleshooting used port
  3. Explain Hello World
  4. Testing Hello World
  5. Exercise Hello World

Hello World using start

User Input

  1. GET
  2. POST
  3. Route
  4. Submitting a form

Multi file Applications

  1. The module
  2. The PSGI script
  3. The test

Using Templates

  1. Built-in Simple Templating system
  2. Template Toolkit
  3. Template Toolkit
  4. Multiple page types
  5. Layouts
  6. Include header and footer
  7. Templates for e-mails
  8. Template snippets
  9. Multiple layouts

Static Files

  1. CSS file
  2. Images
  3. How it looks like
  4. Verify Content-Type
  5. Test the HTML

Create a Dancer Application

  1. Troubleshooting
  2. Skeleton

Deployment

  1. Set up VPS
  2. Update the distribution
  3. HTTPS - Secure communication
  4. Part 2

Hello World - Single Page Application

  1. What is AJAX?
  2. The code
  3. Testing Hello World SPA

Echo - SPA

  1. Echo the code
  2. Testing Echo

Calculator

  1. Testing
  2. Exercise calculator

Multi file Applications

  1. The module
  2. The PSGI script
  3. The test

Multi file Single Page Applications

Server Side Error handling

  1. Common HTTP status codes

Sessions

  1. Who is on the other end?
  2. Save value in session

HTML

  1. HTML elements
  2. HTML examples

CSS

  1. How to use CSS?
  2. CSS Selectors

Bootstrap

jQuery

  1. jQuery for off-line development - best of both worlds
  2. CSS selectors in jQuery
  3. Accessing values in jQuery
  4. Pages

SEO - Search Engine Optimization

  1. Solutions
  2. Hello World
  3. Calculator
  4. Appendix
  5. Configuration
  6. Articles

Index

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