Add Dockerfile and entrypoint script for container setup

Dockerfile

@@ -0,0 +1,7 @@
+FROM python:3.14-slim
+WORKDIR /app
+COPY ./ok-server.py .
+COPY ./entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+EXPOSE 8000
+ENTRYPOINT ["/entrypoint.sh"]

entrypoint.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+exec python3 ok-server.py "$@"