Prepare WebGIS project for Docker deployment

Dockerfile

@@ -1,7 +1,8 @@
 FROM php:8.2-apache
 
 RUN docker-php-ext-install mysqli pdo pdo_mysql \
-    && a2enmod rewrite
+    && a2enmod rewrite \
+    && echo "ServerName localhost" >> /etc/apache2/apache2.conf
 
 COPY . /var/www/html/
 
@@ -12,3 +13,5 @@ RUN mkdir -p \
         /var/www/html/webgis-v3/uploads/bukti_bantuan \
         /var/www/html/webgis-v3/uploads/foto_laporan \
     && chown -R www-data:www-data /var/www/html
+
+EXPOSE 80