initial commit

config.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"strings"
+
+	"github.com/spf13/viper"
+)
+
+func ReadConfig() (*viper.Viper, error) {
+	defaults := map[string]any{
+		"name":    "COOPGO Multimodal Routing",
+		"dev_env": false,
+		"modes": map[string]any{
+			"carpool": map[string]any{
+				"enabled":   true,
+				"operators": []map[string]any{},
+			},
+		},
+		"services": map[string]any{
+			"grpc": map[string]any{
+				"enable": true,
+				"port":   8080,
+			},
+			"http": map[string]any{
+				"enable": false,
+				"port":   80,
+			},
+		},
+	}
+
+	v := viper.New()
+	for key, value := range defaults {
+		v.SetDefault(key, value)
+	}
+	v.SetConfigName("config")
+	v.AddConfigPath(".")
+	v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
+	v.AutomaticEnv()
+	err := v.ReadInConfig()
+	return v, err
+}