.

config/config.go

@@ -50,12 +50,12 @@ type AOIConfig struct {
 }
 
 type NetworkConfig struct {
-	WriteBufferSize  int           `yaml:"write_buffer_size"`
-	ReadBufferSize   int           `yaml:"read_buffer_size"`
-	SendChannelSize  int           `yaml:"send_channel_size"`
+	WriteBufferSize   int           `yaml:"write_buffer_size"`
+	ReadBufferSize    int           `yaml:"read_buffer_size"`
+	SendChannelSize   int           `yaml:"send_channel_size"`
 	HeartbeatInterval time.Duration `yaml:"heartbeat_interval"`
 	HeartbeatTimeout  time.Duration `yaml:"heartbeat_timeout"`
-	MaxMessageSize   int64         `yaml:"max_message_size"`
+	MaxMessageSize    int64         `yaml:"max_message_size"`
 }
 
 type LogConfig struct {
@@ -81,6 +81,23 @@ func Load(path string) (*Config, error) {
 		return nil, fmt.Errorf("parse config file: %w", err)
 	}
 
+	// 환경변수로 DB 접속 정보 오버라이드 (Docker 환경용)
+	if v := os.Getenv("DB_HOST"); v != "" {
+		cfg.Database.Host = v
+	}
+	if v := os.Getenv("DB_PORT"); v != "" {
+		fmt.Sscanf(v, "%d", &cfg.Database.Port)
+	}
+	if v := os.Getenv("DB_USER"); v != "" {
+		cfg.Database.User = v
+	}
+	if v := os.Getenv("DB_PASSWORD"); v != "" {
+		cfg.Database.Password = v
+	}
+	if v := os.Getenv("DB_NAME"); v != "" {
+		cfg.Database.DBName = v
+	}
+
 	return cfg, nil
 }