The viper Package: Reading JSON Configuration Files

Let’s learn how to read JSON configuration files using the viper package.

We'll cover the following

Coding example
Let’s try our code

The viper package can read JSON files to get its configuration, and this lesson illustrates how. Using text files for storing configuration details can be very helpful when writing complex applications that require lots of data and setup. This is illustrated in jsonViper.go.

Once again, we need to put jsonViper.go inside ~/go/src/github.com/Educative-content/jsonViper—please adjust that command to fit your own GitHub username, although if you do not create a GitHub repository, you can use Educative-content.

Coding example

The code of jsonViper.go is as follows:

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Course Introduction

Introduction to Go

Basic Go Data Types

Composite Data Types

Reflection and Interfaces

Go Packages and Functions

Telling a UNIX System What to Do

Go Concurrency

Building Web Services

Working with TCP/IP and WebSocket

Working with REST APIs

Code Testing and Profiling

Working with gRPC

Go Generics

Conclusion

Appendix A—Go Garbage Collector

The viper Package: Reading JSON Configuration Files

Coding example