[docker] Leaving logs in core image

Author: iartem

Dockerfile-core

@@ -82,7 +82,7 @@ RUN useradd -r -M -U -d /opt/countly -s /bin/false countly && \
         gcc g++ make binutils autoconf automake autotools-dev libtool pkg-config zlib1g-dev libcunit1-dev libssl-dev libxml2-dev libev-dev libevent-dev libjansson-dev libjemalloc-dev cython python3-dev python-setuptools && \
     apt-get -y install gconf-service libasound2 libatk1.0-0 libc6 libcairo2 libcups2 libdbus-1-3 libexpat1 libfontconfig1 libgcc1 libgconf-2-4 libgdk-pixbuf2.0-0 libglib2.0-0 libgtk-3-0 libnspr4 libpango-1.0-0 libpangocairo-1.0-0 libstdc++6 libx11-6 libx11-xcb1 libxcb1 libxcomposite1 libxcursor1 libxdamage1 libxext6 libxfixes3 libxi6 libxrandr2 libxrender1 libxss1 libxtst6 ca-certificates fonts-liberation libappindicator1 libnss3 lsb-release xdg-utils && \
     apt-get clean && \
-    rm -rf /var/lib/apt/lists/* /tmp/* /tmp/.??* /var/tmp/* /var/log/* /var/tmp/.??* ~/.npm ~/.cache && \
+    rm -rf /var/lib/apt/lists/* /tmp/* /tmp/.??* /var/tmp/* /var/tmp/.??* ~/.npm ~/.cache && \
 
     # temporary to remove npm bug message
     mkdir /.npm && chown -R countly:countly /.npm