make layers smaller

Signed-off-by: Jess Frazelle <[email protected]>

lkp-tests/Dockerfile

@@ -2,6 +2,8 @@ FROM debian:buster
 LABEL maintainer "Jessie Frazelle <[email protected]>"
 
 ENV DEBIAN_FRONTEND noninteractive
+
+# install deps do this in sections so the layers are not mazzive
 RUN dpkg --add-architecture i386 \
 	&& apt-get update && apt-get install -y \
 	automake \
@@ -22,6 +24,10 @@ RUN dpkg --add-architecture i386 \
 	hdparm \
 	iperf \
 	kmod \
+	--no-install-recommends \
+	&& rm -rf /var/lib/apt/lists/*
+
+RUN apt-get update && apt-get install -y \
 	libaudit-dev \
 	libbabeltrace-ctf-dev \
 	libc6-dev \
@@ -39,6 +45,11 @@ RUN dpkg --add-architecture i386 \
 	linux-libc-dev \
 	linux-libc-dev:i386 \
 	linux-perf \
+	--no-install-recommends \
+	&& rm -rf /var/lib/apt/lists/* \
+	&& ln -snf /usr/bin/perf_4.9 /usr/bin/perf
+
+RUN apt-get update && apt-get install -y \
 	make \
 	nfs-common \
 	openssl \
@@ -57,8 +68,7 @@ RUN dpkg --add-architecture i386 \
 	wget \
 	zlib1g-dev \
 	--no-install-recommends \
-	&& rm -rf /var/lib/apt/lists/* \
-	&& ln -snf /usr/bin/perf_4.9 /usr/bin/perf
+	&& rm -rf /var/lib/apt/lists/*
 
 ENV KERNEL_VERSION v4.13
 ENV LKP_GIT_WORK_TREE /usr/src/linux