add surf nginx init file

docker/surf_init.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# Define the Nginx configuration file path
+nginx_conf="/etc/nginx/conf.d/ssl_main.conf"
+
+# Let Nginx serve the docker container running on port 8080 instead of a static web page
+sed -i 's|root /var/www/html;|location \/ {\n    \tproxy_pass http:\/\/localhost:8080;\n    \tproxy_set_header Host $host;\n    \tproxy_set_header X-Real-IP $remote_addr;\n    }|' "$nginx_conf"
+sed -i 's|index index.html index.htm;||' "$nginx_conf"
+
+systemctl restart nginx.service