Webapps in Go
Webapps in Go
the anti textbook
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
About the Author
Table of Contents
-
Installation
- System requirements
- Install the Go tools
- Uninstalling Go
- Getting help
- Links
-
Tools
- The toolchain
-
Hello, Go
- Why Go?
- Links
-
Variables & Data structures
- Variables
- Constants
- Elementary types
- Underlying data structures
- Important points
- array, slice, map
-
Control statements and Functions
- Control statements
- Functions
-
Struct
- Basics of Struct
- Links
-
Object-oriented
- Methods
- Custom data types
- Use pointer as receiver
- Inheritance of method
- Method overload
- Links
-
Interface
- What is an interface?
- Types of Interface
- Value of interface
- Empty interface
- Method arguments of an interface
- Type of variable in an interface
- Embedded interfaces
- Reflection
- Links
-
Concurrency
- goroutine
- channels
- Buffered channels
- Range and Close
- Select
- Timeout
- Runtime goroutine
- Links
-
Managing the Workspace
-
$GOPATHand$GOROOT - Packages
- Internal deployment
- Running a server
- MVC Pattern
- Links
-
-
Web Programming Basics
- HTTP Methods
- What is a template?
- Static Files
- Links
-
Basic web application
- Handling URLs
- Serving static files
- Homework
- Footnotes
- Links
-
Designing our web app
- The Design
- Homework
- Links
-
Using databases in Go
- Creating and configuring database
- Installing sqlite driver
- Accessing the database
- Importing driver
- Retrieving Result Sets
- Fetching Data from the Database
- How Scan() Works
- Preparing Queries
- Single-Row Queries
- Modifying Data and Using Transactions
- Statements that Modify Data
- Working with Transactions
- Using Prepared Statements
- Prepared Statements And Connections
- Avoiding Prepared Statements
- Prepared Statements in Transactions
- Parameter Placeholder Syntax
- Handling Errors
- Working with NULLs
- Working with Unknown Columns
- The connection pool
- Surprises, Antipatterns and Limitations
- Database Encapsulation
- Homework
- Links
-
An Example
- Homework
- Links
-
Working with Forms
- CSRF
- Javascript
- Forms in Go
- Input Validation
- Links
-
Uploading files
- Links
-
Templates
- template.Must
- Sub templating
- Looping through arrays
- Template variables
- Creating variables
- Homework
- Links
-
Authentication
- Cookies
- Sessions
- Users
- Links
-
Files
- Homework
- Links
-
Routing
- From the documentation
- Homework
- Links
-
Middlewares
- Example
- Links
-
Building an API
- JWT
- Making an API call
- Formatting a JSON document
- Testing API
-
Writing a client
- Getting the token
- Error handling
- Example
- Advanced Usage
- Homework
- Links
-
Unit Testing
- Validating the Status Code for edge cases
- Incremental testing
- Homework
- Links
-
Version Control Basics
- Using git
- Branching
- Remote
- Links
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