Update Dockerfile

Dockerfile

@@ -9,9 +9,9 @@ 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 \
-  && pip3 install flask psycopg2-binary \
-  && rm -rf /var/lib/apt/lists/*
+ && 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