Add instructions for setting up supervisor

webserver/README.md

@@ -0,0 +1,28 @@
+# Protospace lockout socket server
+
+Runs on a server. Connects to web clients over web sockets and receives updates from all lockouts.
+
+## Setup
+
+### Supervisor
+
+Supervisor is used to keep the script always running.
+
+```
+$ sudo apt install supervisor
+```
+
+Create a file named /etc/supervisor/conf.d/webserver.conf and add:
+
+```
+[program:webserver]
+user=tanner
+directory=/opt/pslockout/pslockout/webserver
+command=/bin/bash -c 'yarn start'
+autostart=true
+autorestart=true
+stderr_logfile=/var/log/webserver.log
+stderr_logfile_maxbytes=1MB
+stdout_logfile=/var/log/webserver.log
+stdout_logfile_maxbytes=1MB
+```