Update

Dockerfile

@@ -4,15 +4,10 @@ ENV PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 ENV HOME /
 
 ARG BUILDDEPS
-RUN \
-    echo 'export http_proxy=http://$(ip route list exact 0.0.0.0/0 | head -1 | cut -d" " -f3):3142/' >> /etc/profile ; \
-    apt-get update && apt-get --yes upgrade && \
-    apt-get --yes install iproute2 ; . /etc/profile ; \
-    apt-get --yes install \
-        build-essential \
-        ca-certificates \
-        curl \
-        git \
-        ${BUILDDEPS}
-
+RUN apt-get -q update && \
+    DEBIAN_FRONTEND=noninteractive apt-get -qy upgrade && \
+    DEBIAN_FRONTEND=noninteractive apt-get -qy install --no-install-recommends ${BUILDDEPS} \
+        ca-certificates curl build-essential git && \
+    apt-get clean && rm -rf /var/lib/apt/lists/* && \
+        
 CMD ["bash"]