new file: .env

modified:   Dockerfile
	new file:   cmd/api/main.go
	modified:   docker-compose.yaml
	modified:   go.mod
	modified:   go.sum
	new file:   internal/config/config.go
	new file:   internal/handler/middleware.go
	new file:   internal/handler/user_handler.go
	new file:   internal/model/user.go
	new file:   internal/repository/user_repository.go
	new file:   internal/server/server.go
	new file:   internal/service/user_service.go
	new file:   main
	deleted:    main.go
	new file:   migrations/001_create_users.sql
	new file:   pkg/database/postgres.go
	deleted:    src/models/user.go
add files from deepseek for rest api server on golang gorm and chi
server router

serv_golang_rest_api/internal/config/config.go

@@ -0,0 +1,30 @@
+package config
+
+import "os"
+
+type Config struct {
+    DBHost     string
+    DBPort     string
+    DBUser     string
+    DBPassword string
+    DBName     string
+    AppPort    string
+}
+
+func Load() *Config {
+    return &Config{
+        DBHost:     getEnv("DB_HOST", "localhost"),
+        DBPort:     getEnv("DB_PORT", "5432"),
+        DBUser:     getEnv("DB_USER", "postgres"),
+        DBPassword: getEnv("DB_PASSWORD", "postgres"),
+        DBName:     getEnv("DB_NAME", "mydb"),
+        AppPort:    getEnv("APP_PORT", "8080"),
+    }
+}
+
+func getEnv(key, defaultValue string) string {
+    if value := os.Getenv(key); value != "" {
+        return value
+    }
+    return defaultValue
+}