changes to fly toml to make the app suspend instead of fully stopping

fly.toml

@@ -9,17 +9,14 @@ console_command = '/rails/bin/rails console'
 
 [build]
 
-[env]
-  DATABASE_URL = 'sqlite3:///data/production.sqlite3'
-
 [[mounts]]
   source = 'data'
   destination = '/data'
 
 [http_service]
   internal_port = 3000
   force_https = true
-  auto_stop_machines = 'stop'
+  auto_stop_machines = 'suspend'
   auto_start_machines = true
   min_machines_running = 0
   processes = ['app']