add health check

fly.toml

@@ -1,9 +1,9 @@
-# fly.toml app configuration file generated for uiowaatr on 2024-04-22T12:40:29-05:00
+# fly.toml app configuration file generated for uiowa-atr on 2024-04-23T16:22:44-05:00
 #
 # See https://fly.io/docs/reference/configuration/ for information about how to use this file.
 #
 
-app = 'uiowaatr'
+app = 'uiowa-atr'
 primary_region = 'ord'
 
 [build]
@@ -16,7 +16,13 @@ primary_region = 'ord'
   min_machines_running = 0
   processes = ['app']
 
+  [[http_service.checks]]
+    interval = '30s'
+    timeout = '5s'
+    grace_period = '10s'
+    method = 'GET'
+    path = '/'
+
 [[vm]]
   memory = '256MB'
-  cpu_kind = 'shared'
-  cpus = 1
+  size = 'shared-cpu-1x'