Update Dockerfile

Dockerfile

@@ -7,6 +7,8 @@ RUN apt-get update && apt-get install -y \
     && rm -rf /var/lib/apt/lists/*
     
 WORKDIR /code
+RUN mkdir -p /app/uploads && chmod 755 /app/uploads
+
 COPY ./requirements.txt /code/requirements.txt
 RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 COPY . /code