Update

basic_server/Dockerfile

@@ -1,4 +1,5 @@
 FROM python:3-slim
 COPY server.py /server.py
+COPY start.sh /start.sh
 EXPOSE 80
-CMD ["python3", "/server.py"]
+CMD ["/bin/sh", "/start.sh"]

basic_server/start.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+nohup python3 /server.py > /var/log/server.log 2>&1 &
+
+while true; do /bin/bash; done