Update Dockerfile

diff --git a/Dockerfile b/Dockerfile
index bdd5c698d49455ddd895935aa682664cc1445627..bb659b8389eefeb75e39929844a0b06b33ba8971 100755 (executable)
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
        # install required python packages with pip
        pip install -r requirements.txt && \
        # cleanup build packages
-       apt-get remove --purge -y build-essential libtag1-dev $(apt-mark showauto) && \
+       apt-get remove --purge -y build-essential libtag1-dev && \
+       apt-get autoremove -y && \
        rm -rf /var/lib/apt/lists/*
 
 # copy app files