Add Dockerfile

Dockerfile

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+FROM python:3.11 AS builder
+COPY requirements.txt .
+
+RUN pip install --user -r requirements.txt
+
+FROM python:3.11-slim
+WORKDIR /code
+
+# copy only the dependencies installation from the 1st stage image
+COPY --from=builder /root/.local /root/.local
+COPY ./src .
+
+# update PATH environment variable
+ENV PATH=/root/.local:$PATH
+
+ENTRYPOINT [ "python", "./auto_submit_tips.py" ]