First commit

config/config.go

@@ -0,0 +1,32 @@
+package config
+
+import (
+	"os"
+)
+
+type Config struct {
+	Port        string
+	MongoDBURI  string
+	DBName      string
+	JWTSecret   string
+	Environment string
+	CertsPath   string
+}
+
+func LoadConfig() *Config {
+	return &Config{
+		Port:        getEnv("PORT", "8080"),
+		MongoDBURI:  getEnv("MONGODB_URI", "mongodb://localhost:27017"),
+		DBName:      getEnv("DB_NAME", "pki_db"),
+		JWTSecret:   getEnv("JWT_SECRET", "your-secret-key"),
+		Environment: getEnv("ENVIRONMENT", "development"),
+		CertsPath:   getEnv("CERTS_PATH", "./certs"),
+	}
+}
+
+func getEnv(key, defaultValue string) string {
+	if value := os.Getenv(key); value != "" {
+		return value
+	}
+	return defaultValue
+}