update dockerfile - use streamlit run command

Dockerfile

@@ -9,8 +9,7 @@ ENV PATH="/home/user/.local/bin:$PATH"
 
 WORKDIR /app
 
-COPY --chown=user ./requirements.txt requirements.txt
+COPY . .
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
-COPY --chown=user . /app
-CMD ["app:app", "--host", "0.0.0.0", "--port", "7860"]
+ENTRYPOINT ["streamlit", "run", "--server.address", "0.0.0.0", "--server.port", "7860"]