fix healt in compose

docker-compose.yml

@@ -7,7 +7,13 @@ services:
     expose:
       - "${APP_PORT}"
     healthcheck:
-      test: [ "CMD", "python", "-c", "import urllib.request; import sys; req = urllib.request.Request('http://localhost:${APP_PORT}/healthcheck', headers={'X-Internal-Check': '${HEALTHCHECK_TOKEN}'}); sys.exit(0) if urllib.request.urlopen(req).read() == b'OK' else sys.exit(1)" ]
+      test:
+        [
+          "CMD",
+          "python",
+          "-c",
+          "import urllib.request; import sys; req = urllib.request.Request('http://localhost:${APP_PORT:-8080}/healthcheck', headers={'X-Internal-Check': '${HEALTHCHECK_TOKEN}'}); sys.exit(0) if urllib.request.urlopen(req).getcode() == 200 else sys.exit(1)",
+        ]
       interval: 30s
       timeout: 10s
       retries: 3