feat: add basic command structure

cmd/root.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"os"
 
+	"github.com/joho/godotenv"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 )
@@ -37,6 +38,8 @@ func Execute() {
 }
 
 func init() {
+	godotenv.Load()
+
 	cobra.OnInitialize(initConfig)
 
 	// Here you will define your flags and configuration settings.
@@ -75,4 +78,19 @@ func initConfig() {
 	if err := viper.ReadInConfig(); err == nil {
 		fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
 	}
+
+	requiredParams := [...]string{
+		"miniflux_host",
+		"miniflux_token",
+	}
+
+	for _, param := range requiredParams {
+		if !viper.IsSet(param) {
+			fmt.Printf(
+				"Error: The value \"%v\" must be set. For more information use the --help command\n",
+				param,
+			)
+			os.Exit(1)
+		}
+	}
 }