diff --git a/Dockerfile b/Dockerfile
index 423aa9a..597ea1d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -62,6 +62,7 @@ RUN \
 	/tmp/ProjectSend.tar.gz --strip-components=1 -C /var/www/localhost/htdocs/ && \
  mv /var/www/localhost/htdocs/upload /defaults/ && \
  mv /var/www/localhost/htdocs/img/custom /defaults/  && \
+ mv /var/www/localhost/htdocs/includes/sys.config.sample.php /defaults/sys.config.php && \
 
 # cleanup
  rm -rf \
diff --git a/READMETEMPLATE.md b/READMETEMPLATE.md
index 4cb7841..78c6d79 100644
--- a/READMETEMPLATE.md
+++ b/READMETEMPLATE.md
@@ -64,6 +64,7 @@ In this instance `PUID=1001` and `PGID=1001`. To find yours use `id user` as bel
 ## Setting up the application
 
 Requires a user and database in either mssql, mysql or mariadb.
+On first run go to `<your-ip>/install/make-config.php` and enter your database details.
 More info at [ProjectSend][appurl].
 
 ## Info
diff --git a/root/etc/cont-init.d/30-config b/root/etc/cont-init.d/30-config
index efe6f1a..17101fc 100644
--- a/root/etc/cont-init.d/30-config
+++ b/root/etc/cont-init.d/30-config
@@ -1,24 +1,33 @@
 #!/usr/bin/with-contenv bash
 
+# set default values for variables
 PHP_MEMORY_LIMIT=${PHP_MEMORY_LIMIT:-512M}
-MAX_UPLOAD=${MAX_UPLOAD:-250M}
+MAX_UPLOAD=${MAX_UPLOAD:-5120000}
 PHP_MAX_FILE_UPLOAD=${PHP_MAX_FILE_UPLOAD:-200}
 
-# configure php
-sed -i \
-	-e "s|;*memory_limit =.*|memory_limit = ${PHP_MEMORY_LIMIT}|i" \
- 	-e "s|;*upload_max_filesize =.*|upload_max_filesize = ${MAX_UPLOAD}|i" \
-	-e "s|;*max_file_uploads =.*|max_file_uploads = ${PHP_MAX_FILE_UPLOAD}|i" \
-	-e "s|;*post_max_size =.*|post_max_size = ${MAX_UPLOAD}|i" \
-	-e "s|;*cgi.fix_pathinfo=.*|cgi.fix_pathinfo= 0|i" \
-		/etc/php5/php.ini
-
 # create our folders
 mkdir -p \
 	/config/projectsend/images \
 	/data/projectsend \
 	/var/run/apache2
 
+# configure php
+sed -i \
+	-e "s#;*memory_limit =.*#memory_limit = ${PHP_MEMORY_LIMIT}#i" \
+ 	-e "s#;*upload_max_filesize =.*#upload_max_filesize = ${MAX_UPLOAD}#i" \
+	-e "s#;*max_file_uploads =.*#max_file_uploads = ${PHP_MAX_FILE_UPLOAD}#i" \
+	-e "s#;*post_max_size =.*#post_max_size = ${MAX_UPLOAD}#i" \
+	-e "s#;*cgi.fix_pathinfo=.*#cgi.fix_pathinfo= 0#i" \
+		/etc/php5/php.ini
+
+# configure projectsend
+[[ ! -e /config/projectsend/sys.config.php ]] && \
+	cp /defaults/sys.config.php /config/projectsend/sys.config.php
+sed -i \
+	"s#define('MAX_FILESIZE',.*);#define('MAX_FILESIZE',$MAX_UPLOAD);#g" \
+		/config/projectsend/sys.config.php
+
+# copy config
 PREV_DIR=$(pwd)
 
 cd /defaults/upload || exit