changed LogFormat using X-Forward-For Header

Dockerfile

@@ -28,6 +28,9 @@ RUN curl https://getcomposer.org/installer --output /tmp/composer-setup.php && p
 # mysqli
 RUN docker-php-ext-configure mysqli && docker-php-ext-install mysqli
 
+# replace IP with X-Forwarded-For Header in Logs
+RUN sed -i 's/^\(LogFormat .*\)%h/\1%{X-Forwarded-For}i/g' /etc/apache2/apache2.conf
+
 # cleanup
 RUN rm -rf /var/lib/apt/lists/* /tmp/composer-setup.php