Fixed some problems with this

registry/docker_actions.py

@@ -0,0 +1,21 @@
+from playbook.action_registry import ActionRegistry
+from playbook.models import StepLog
+
+import sys
+import json
+import docker
+import subprocess
+from typing import List, Dict, Any, Tuple
+
+
+dockeractions = ActionRegistry("docker_actions_reg")
+
+
+@dockeractions.register(name="get_service_container", version="")
+def get_service_container(ctx, name) -> StepLog:
+    client = docker.from_env()
+
+    filters: Dict[str, Any]= {"label": [f"com.docker.compose.service=gitea-db"]}
+    print(client.containers.list(filters=filters, all=True), file=sys.stderr)
+
+    return StepLog.ok(name, "cool beans")