move database credential to config file

[ShiftRL]

[dviramontes]

example config package

package config

import (
	"..."
	"github.com/spf13/viper"
)

// Read attempts to read a config file from path.
// The defaults provided will be used if no config file doesn't exist
func Read(name string, defaults map[string]interface{}) *viper.Viper {
	v := viper.New()

	v.SetConfigFile(name)
	v.AddConfigPath(".")
	v.AutomaticEnv()

	for key, val := range defaults {
		v.SetDefault(key, val)
	}

	err := v.ReadInConfig()
	if err != nil {
		log.Info("Internal", "config", "proceeding with defaults and env vars")
	}

	return v
}

[dviramontes]

suggested path pkg/config/config.go