Update Dockerfile

Dockerfile

@@ -1,6 +1,12 @@
-FROM python:3.9
-WORKDIR /code
-COPY ./requirements.txt /code/requirements.txt
-RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
-COPY . /code
+FROM python:3.9-slim
+
+RUN apt-get update && apt-get install -y \
+    libgl1-mesa-glx \
+    libglib2.0-0 \
+    && rm -rf /var/lib/apt/lists/*
+    
+WORKDIR /code
+COPY ./requirements.txt /code/requirements.txt
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+COPY . /code
 CMD ["python", "app.py"]