set up docker and handler

backend/pashub_fetcher/handler/Dockerfile

@@ -0,0 +1,16 @@
+FROM mcr.microsoft.com/playwright/python:v1.42.0
+
+# Set working directory (Lambda task root)
+WORKDIR /var/task
+
+COPY backend/.env.test backend/.env
+
+COPY utils/ utils/
+COPY backend/pashub_fetcher/ backend/pashub_fetcher/
+
+# -----------------------------
+# Lambda handler
+# -----------------------------
+# CMD ["backend/pashub_fetcher/handler/handler.handler"]
+# For local running
+CMD ["python", "-m", "backend.pashub_fetcher.handler.handler"]

backend/pashub_fetcher/handler/handler.py

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+from typing import Any, Mapping
+
+from utils.logger import setup_logger
+
+
+logger = setup_logger()
+
+
+def handler(event: Mapping[str, Any], context: Any) -> None:
+    logger.info("Recevied message")