Initial commit

config/application-dev.json

@@ -0,0 +1,6 @@
+{
+  "server": {
+    "host": "localhost",
+    "port": 8080
+  }
+}

config/application.json

@@ -0,0 +1,6 @@
+{
+  "server": {
+    "host": "localhost",
+    "port": 8089
+  }
+}

config/config.go

@@ -0,0 +1,49 @@
+package config
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"os"
+)
+
+type Application struct {
+	Server Server `json:"server"`
+}
+
+type Server struct {
+	Host string `json:"host"`
+	Port int    `json:"port"`
+}
+
+var App Application
+
+const configDir = "config"
+
+func Initialize(profile string) error {
+	filename := checkProfileAndGetFilePath(profile)
+	content, err := os.ReadFile(filename)
+	if err != nil {
+		return fmt.Errorf("error reading file: %v", err)
+	}
+
+	if err = json.Unmarshal(content, &App); err != nil {
+		return fmt.Errorf("error unmarshaling JSON: %v", err)
+	}
+	return nil
+}
+
+func checkProfileAndGetFilePath(profile string) string {
+	var filename string
+	switch {
+	case profile == "dev":
+		filename = fmt.Sprintf("%s/application-dev.json", configDir)
+	case profile == "test":
+		filename = fmt.Sprintf("%s/application-test.json", configDir)
+	case profile == "prod":
+		filename = fmt.Sprintf("%s/application.json", configDir)
+	default:
+		log.Fatalf("Profile %s is not valid value", profile)
+	}
+	return filename
+}