Update Dockerfile

Dockerfile

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+## Use the official python 3.9 image
+FROM python:3.9
+
+## set the working directory to /code
+WORKDIR /code
+
+## Copy the current directory contents in the container at /code
+COPY ./requirements.txt /code/requirements.txt
+
+## INstall the requirements.txt
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+#Set up a new user named "user"
+RUN useradd user
+# Switch to the "user" user
+USER user
+
+#RUN usermod -aG sudo user
+#RUN chown -R useradd:useradd /code
+
+# Set the home to the user's home directory
+ENV HOME=/home/user \
+    PATH=$PATH:/home/user/.local/bin
+
+#Set the working directory to the user's home directory
+WORKDIR ${HOME}/app
+
+# Copy the current directory contents into the container at $HOME/app settting the owner to
+COPY --chown=user.${HOME}/app
+
+## Start the FASTAPI app on port 7860
+CMD ["uvicorn", "app:app","--host", "0.0.0.0", "--port", "7860"]