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Webapps in Go

the anti textbook

Suraj Patil

Learn how to write webapps without a framework in the Go programming language.

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About

About

About the Book

The book teaches you how to write web applications in Go without using a framework. It is possible to write a webapp without using any framework in Go. Each new concept will be explained via a valid code example. The book is based of a todo list manager I wrote in Go, and at any point in time, you can check the source code of the todo list manager.

This book is Open source at github

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Author

About the Author

Suraj Patil

Started programming six years ago. Love Python, Go, a FOSS enthusiast. Recently started my journey towards data science. Apart from programming, hobbies are reading, writing, cycling, photography or indulge in the endless philosophical discussions or about books. 

Contents

Table of Contents

Installation

  1. System requirements
  2. Install the Go tools
  3. Uninstalling Go
  4. Getting help
  5. Links

Tools

  1. The toolchain

Hello, Go

  1. Why Go?
  2. Links

Variables & Data structures

  1. Variables
  2. Constants
  3. Elementary types
  4. Underlying data structures
  5. Important points
  6. array, slice, map

Control statements and Functions

  1. Control statements
  2. Functions

Struct

  1. Basics of Struct
  2. Links

Object-oriented

  1. Methods
  2. Custom data types
  3. Use pointer as receiver
  4. Inheritance of method
  5. Method overload
  6. Links

Interface

  1. What is an interface?
  2. Types of Interface
  3. Value of interface
  4. Empty interface
  5. Method arguments of an interface
  6. Type of variable in an interface
  7. Embedded interfaces
  8. Reflection
  9. Links

Concurrency

  1. goroutine
  2. channels
  3. Buffered channels
  4. Range and Close
  5. Select
  6. Timeout
  7. Runtime goroutine
  8. Links

Managing the Workspace

  1. $GOPATH and $GOROOT
  2. Packages
  3. Internal deployment
  4. Running a server
  5. MVC Pattern
  6. Links

Web Programming Basics

  1. HTTP Methods
  2. What is a template?
  3. Static Files
  4. Links

Basic web application

  1. Handling URLs
  2. Serving static files
  3. Homework
  4. Footnotes
  5. Links

Designing our web app

  1. The Design
  2. Homework
  3. Links

Using databases in Go

  1. Creating and configuring database
  2. Installing sqlite driver
  3. Accessing the database
  4. Importing driver
  5. Retrieving Result Sets
  6. Fetching Data from the Database
  7. How Scan() Works
  8. Preparing Queries
  9. Single-Row Queries
  10. Modifying Data and Using Transactions
  11. Statements that Modify Data
  12. Working with Transactions
  13. Using Prepared Statements
  14. Prepared Statements And Connections
  15. Avoiding Prepared Statements
  16. Prepared Statements in Transactions
  17. Parameter Placeholder Syntax
  18. Handling Errors
  19. Working with NULLs
  20. Working with Unknown Columns
  21. The connection pool
  22. Surprises, Antipatterns and Limitations
  23. Database Encapsulation
  24. Homework
  25. Links

An Example

  1. Homework
  2. Links

Working with Forms

  1. CSRF
  2. Javascript
  3. Forms in Go
  4. Input Validation
  5. Links

Uploading files

  1. Links

Templates

  1. template.Must
  2. Sub templating
  3. Looping through arrays
  4. Template variables
  5. Creating variables
  6. Homework
  7. Links

Authentication

  1. Cookies
  2. Sessions
  3. Users
  4. Links

Files

  1. Homework
  2. Links

Routing

  1. From the documentation
  2. Homework
  3. Links

Middlewares

  1. Example
  2. Links

Building an API

  1. JWT
  2. Making an API call
  3. Formatting a JSON document
  4. Testing API

Writing a client

  1. Getting the token
  2. Error handling
  3. Example
  4. Advanced Usage
  5. Homework
  6. Links

Unit Testing

  1. Validating the Status Code for edge cases
  2. Incremental testing
  3. Homework
  4. Links

Version Control Basics

  1. Using git
  2. Branching
  3. Remote
  4. Links

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