Order

Dockerfile

@@ -9,7 +9,8 @@ WORKDIR /app
 COPY --chown=user ./requirements.txt requirements.txt
 RUN pip cache purge
 
-RUN pip3 install opencv-python-headless==4.5.3.56
+RUN apt-get update
+RUN apt install -y libgl1-mesa-glx
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
 COPY --chown=user . /app