Update Dockerfile to optimize application setup and streamline dependencies

Dockerfile

@@ -1,5 +1,7 @@
 FROM python:3.12.7
 
+RUN apt-get update && apt-get install -y libgl1 && rm -rf /var/lib/apt/lists/*
+
 RUN useradd -m -u 1000 user
 USER user
 ENV PATH="/home/user/.local/bin:$PATH"
@@ -9,10 +11,5 @@ WORKDIR /app
 COPY --chown=user ./requirements.txt requirements.txt
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
-USER root
-RUN apt-get update && apt-get install -y \
-    libgl1 \
-USER user
-
 COPY --chown=user . /app
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]