# use base image python:3.12 FROM python:3.12@sha256:4e7024df2f2099e87d0a41893c299230d2a974c3474e681b0996f141951f9817 WORKDIR /source COPY . . RUN python3 -m pip install --no-cache-dir -r requirements.txt CMD ["python3", "pg8000_example.py"]