No need to filter containers here

config/faaso.yml

@@ -1 +1 @@
-password: admin
+password: adminfoo

config/funkos

@@ -0,0 +1,8 @@
+
+      handle_path /faaso/hello/* {
+        reverse_proxy /* http://faaso-hello-9zth8p:3000 {
+          health_uri /ping
+          fail_duration 30s
+        }
+      }
+      

src/funko.cr

@@ -99,7 +99,8 @@ module Funko
           sleep 0.1.seconds
         }
       else
-        containers.select { |container| container.@state == "running" }.sort! { |i, j|
+        # Sort them older to newer, so we stop the oldest
+        containers.sort! { |i, j|
           i.@created <=> j.@created
         }.each { |container|
           Log.info { "Removing instance" }