major refactor of setup procedure

website/entry.sh

@@ -1,26 +1,32 @@
 #!/bin/sh
 
-# server needs to be up to grab certificates
+# server needs to be up to get certs
 nginx
 while [ ! -f /var/run/nginx.pid ]
 do
     sleep 1
 done
 
+# get certs if needed
 certbot --nginx \
     --webroot-path /var/www/matthewtran.com \
     --non-interactive --agree-tos -m matthewlamtran@berkeley.edu \
     -d matthewtran.com \
     -d www.matthewtran.com \
     -d git.matthewtran.com
-
 nginx -s reload
-python3 ip_update.py &
-python3 cert_update.py &
 
+# background process to renew certs and check ip changes
+update() {
+    certbot renew --quiet
+    sleep 86400
+}
+update &
+./ip_update.py &
+
+# wait for termination
 cleanup() {
     echo "stopping..."
 }
 trap 'cleanup' TERM
-
 wait $! # wait SIGTERM, other processes can just be killed