How to manage configurations using Viper in Go?

To manage configurations in Go using Viper, follow these steps:

1. First, use the following command to install the Viper library:
2. Retrieve the source code from github.com/spf13/viper.
3. Import the Viper library in the code.
4. bring in the “github.com/spf13/viper” package
5. Initialize Viper in the code and specify the path and name of the configuration file.
6. Initialize the configuration by setting the name, type, path, and reading the configuration file using Viper. If an error occurs, log the failure message.
7. Retrieve the values of configuration items in code using Viper.
8. Retrieve the value of a specified configuration key using the function getConfigValue, which returns a string.
9. Define the corresponding configuration items in the configuration file.
10. server:
    port: 8080
    host: localhost
11. Use Viper to retrieve values from configurations in the code.
12. func main() {
    setUpConfiguration()
    port := getConfigurationValue(“server.port”)
    host := getConfigurationValue(“server.host”)
    fmt.Printf(“Server is running on %s:%s\n”, host, port)
    }

By following the above steps, you can easily manage configurations in Go using Viper.