bottin/cmd/root.go
Victor Lacasse-Beaudoin f7437d1719 feat: Permettre de configurer api et web par .env
L'ajout à viper de replacer et préfixe `BOTTIN` permet de déployer et
configurer l'application avec seulement docker-compose, en évitant
d'avoir à nécessairement uploader un fichier de config.

Ajoute aussi des explications dans `README.md` sur changements de
procédure
2024-02-14 14:05:04 -05:00

59 lines
1.4 KiB
Go

package cmd
import (
"fmt"
"os"
"strings"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var cfgFile string
// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
Use: "bottin",
Short: "Application de gestion de distribution d'agendas",
}
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
err := rootCmd.Execute()
if err != nil {
os.Exit(1)
}
}
func init() {
cobra.OnInitialize(initConfig)
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.bottin.yaml)")
}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
if cfgFile != "" {
// Use config file from the flag.
viper.SetConfigFile(cfgFile)
} else {
// Find home directory.
home, err := os.UserHomeDir()
cobra.CheckErr(err)
// Search config in home directory with name ".bottin" (without extension).
viper.AddConfigPath(home)
viper.SetConfigType("yaml")
viper.SetConfigName(".bottin")
}
viper.SetEnvPrefix("BOTTIN")
viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
viper.AutomaticEnv() // read in environment variables that match
// If a config file is found, read it in.
if err := viper.ReadInConfig(); err == nil {
fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
}
}