Update Dockerfile

Dockerfile

@@ -3,13 +3,14 @@ FROM python:3.9
 WORKDIR /code
 
 COPY ./requirements.txt /code/requirements.txt
-RUN apt-get update && apt-get upgrade -y && apt-get install gcc -y && apt-get install libgl1
+RUN apt-get update && apt-get upgrade -y && apt-get install gcc -y
 RUN pip install --no-cache-dir -r /code/requirements.txt
 RUN pip install numpy
 RUN pip install cython==0.29.21
 
 RUN apt-get update
 RUN apt-get install --reinstall build-essential -y
+RUN apt-get install libgl1
 RUN pip install pygco==0.0.16
 
 RUN useradd -m -u 1000 user