update code

laradock/phpmyadmin/Dockerfile

@@ -0,0 +1,14 @@
+FROM phpmyadmin/phpmyadmin
+
+LABEL maintainer="Bo-Yi Wu <appleboy.tw@gmail.com>"
+
+# Add volume for sessions to allow session persistence
+VOLUME /sessions
+
+RUN echo '' >> /usr/local/etc/php/conf.d/php-phpmyadmin.ini \
+ && echo '[PHP]' >> /usr/local/etc/php/conf.d/php-phpmyadmin.ini \
+ && echo 'post_max_size = 2G' >> /usr/local/etc/php/conf.d/php-phpmyadmin.ini \
+ && echo 'upload_max_filesize = 2G' >> /usr/local/etc/php/conf.d/php-phpmyadmin.ini
+
+# We expose phpMyAdmin on port 80
+EXPOSE 80