FROM postgres:16 ENV POSTGRES_USER=myuser ENV POSTGRES_PASSWORD=mypassword ENV POSTGRES_DB=mydatabase EXPOSE 5432 7860 RUN sed -i '/^#port =/c\port = 5432' /usr/share/postgresql/postgresql.conf.sample RUN apt-get update \ && apt-get install -y python3 python3-pip python3-venv \ && pip3 install --break-system-packages flask psycopg2-binary \ && rm -rf /var/lib/apt/lists/* WORKDIR /app COPY app.py /app/app.py COPY entrypoint.sh /entrypoint.sh RUN chmod +x /entrypoint.sh ENTRYPOINT ["/entrypoint.sh"]