fix ram and add health check

Author: zshannon

server/fly.toml

@@ -23,9 +23,16 @@ min_machines_running = 0
 processes = ['app']
 idle_timeout = '10m'
 
+[[http_service.checks]]
+interval = "1s"
+timeout = "1s"
+grace_period = "5s"
+method = "GET"
+path = "/health"
+
 [[vm]]
 size = 'performance-2x'
-memory = 1024
+memory = 4096
 
 [metrics]
 port = 9091