better cleanup after apt install

Dockerfile

@@ -4,6 +4,9 @@ LABEL org.opencontainers.image.created="unknown"
 LABEL org.opencontainers.image.revision="unknown"
 LABEL org.opencontainers.image.source="https://github.com/openmicroscopy/omero-server-docker"
 
+ENV DEBIAN_FRONTEND=noninteractive
+
+
 RUN mkdir /opt/setup
 WORKDIR /opt/setup
 ADD playbook.yml requirements.yml /opt/setup/
@@ -12,7 +15,8 @@ RUN apt update
 RUN apt install -y ansible sudo ca-certificates dumb-init\
     && ansible-galaxy install -p /opt/setup/roles -r requirements.yml \
     && apt -y autoclean \
-    && apt -y autoremove
+    && apt -y autoremove \
+    && rm -rf /var/lib/apt/lists/* /tmp/*
 
 
 ARG OMERO_VERSION=5.6.5
@@ -24,7 +28,7 @@ RUN ansible-playbook playbook.yml \
     -e omero_server_omego_additional_args="$OMEGO_ADDITIONAL_ARGS" \
     && apt -y autoclean \
     && apt -y autoremove \
-    && rm -fr /var/cache
+    && rm -rf /var/lib/apt/lists/* /tmp/*
 
 
 ADD entrypoint.sh /usr/local/bin/