viper

Configurations Loading using Viper and PFlag

An example of implementing configurations in an application using the viper and pflag packages.

• CLI arguments (top precedence)
• environment variables
• configuration file
• default values

The pflag package can be configured to allow POSIX/GNU style -- flags or the short form flags -.

Setup

<<<<<<< Updated upstream

1. Build the program.

   $ make
   

2. Run the program

   $ CYBER_DIRECTORY=env bin/viper --postgres-url=arg
   Dump of config: {true 5000 arg env default}
   

Reference and Credits

• Github: Viper
• Github: PFlag