update

README.md

 # docker-for-discuz
 docker-compose file for discuz
+
+##Usage
+```
+docker-compose up -d
+and visit localhost:port to install
+```
+
+##configuration
+```
+discuz/config/php.ini is for php
+discuz/html  is the source code and discuz configuration
+```
+```
+in docker-compose.yml you can change
+mysql configuration
+port mapping
+```
+
+##use nginx as proxy
+```
+upstream your_domain_name {
+    server discuz_server_ip:port weight=10;
+}
+      server
+      {
+              listen       80;
+              server_name your_domain_name;
+      }
+```

discuz/Dockerfile

 FROM php:7.0-apache
-RUN docker-php-ext-install -j$(nproc) curl gd mysql mbstring
+RUN  apt-get update && apt-get install -y curl libcurl4-gnutls-dev libpng12-dev && docker-php-ext-install -j$(nproc) curl gd pdo pdo_mysql mbstring mysqli

discuz/html/install/index.php

@@ -9,7 +9,7 @@
 
 error_reporting(E_ERROR | E_WARNING | E_PARSE);
 @set_time_limit(1000);
-@set_magic_quotes_runtime(0);
+@ini_set("magic_quotes_runtime",0);
 
 define('IN_DISCUZ', TRUE);
 define('IN_COMSENZ', TRUE);