website and p2pool graceful stop

website/Dockerfile

@@ -18,4 +18,5 @@ COPY html /var/www/matthewtran.com/html
 # start script
 WORKDIR /root
 COPY sendgrid.ke[y] ip_update.py ./
+COPY cert_update.py ./
 COPY entry.sh ./

website/cert_update.py

@@ -0,0 +1,10 @@
+#!/usr/bin/env python3
+
+import subprocess
+import time
+
+if __name__ == '__main__':
+    while True:
+        # try renew once a day
+        subprocess.run(['certbot', 'renew', '--quiet'])
+        time.sleep(86400)

website/entry.sh

@@ -16,10 +16,11 @@ certbot --nginx \
 
 nginx -s reload
 python3 ip_update.py &
+python3 cert_update.py &
 
-# try renew once a day
-while true
-do
-    certbot renew --quiet
-    sleep 86400
-done
+cleanup() {
+    echo "stopping..."
+}
+trap 'cleanup' TERM
+
+wait $! # wait SIGTERM, other processes can just be killed