Adding two placeholder containers

worker-placeholder/Dockerfile

@@ -0,0 +1,9 @@
+FROM python:3
+
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONDONTWRITEBYTECODE=1
+
+WORKDIR /app
+COPY . /app
+
+ENTRYPOINT ["python", "app.py"]

worker-placeholder/app.py

@@ -0,0 +1,15 @@
+import logging
+import threading
+
+
+logger = logging.getLogger('worker')
+
+
+def fake_it():
+    threading.Timer(5.0, fake_it).start()
+    logger.info('Checking for work')
+
+
+if __name__ == '__main__':
+    logging.basicConfig(level=logging.INFO)
+    fake_it()