Update Dockerfile

Dockerfile

@@ -5,7 +5,7 @@ RUN apt-get update && apt-get install -y \
     libgl1-mesa-glx \
     libglib2.0-0 \
     && rm -rf /var/lib/apt/lists/*
-   
+
 WORKDIR /code
 RUN mkdir -p /code/uploads && chmod 755 /code/uploads
 
@@ -13,8 +13,6 @@ COPY ./requirements.txt /code/requirements.txt
 RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 COPY . /code
 
-# Optionally, you can add a specific user
-# RUN useradd -ms /bin/sh myuser
-# USER myuser
-
-CMD ["python", "app.py"]
+# Add and use a non-root user
+RUN useradd -ms /bin/sh myuser
+USER myuser