Add AUTOINDEX env variable

pica-nginx/start.sh

@@ -2,6 +2,10 @@
 
 set -e
 
+if [ "$AUTOINDEX" = "true" ]; then
+	sed -i '/index index.php index.html index.htm;/a \        autoindex on;' /etc/nginx/nginx.conf
+fi
+
 chown -R www-data /var/www
 mkdir -p /var/run/php
 exec /usr/bin/supervisord -c /etc/supervisord.conf