[Qemu-devel] [PATCH 04/23] docker: compact debian base

[Philippe Mathieu-Daudé]

- install common/basic tools at once
- one-line Emdebian setup
- use eatmydata and remove apt cache to save space
- add bison and flex and git

Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
 tests/docker/dockerfiles/debian.docker | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/tests/docker/dockerfiles/debian.docker 
b/tests/docker/dockerfiles/debian.docker
index 52bd79938e..694f8d3b63 100644
--- a/tests/docker/dockerfiles/debian.docker
+++ b/tests/docker/dockerfiles/debian.docker
@@ -9,17 +9,19 @@
 #
 FROM debian:stable-slim
 
-# Setup some basic tools we need
-RUN apt update
-RUN apt install -yy curl aptitude
-
-# Setup Emdebian
-RUN echo "deb http://emdebian.org/tools/debian/ jessie main" >> 
/etc/apt/sources.list
-RUN curl http://emdebian.org/tools/debian/emdebian-toolchain-archive.key | 
apt-key add -
+# Install some basic tools and common build utilities
+RUN apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -yy \
+        eatmydata && \
+    DEBIAN_FRONTEND=noninteractive eatmydata apt-get install -y 
--no-install-recommends \
+        curl aptitude \
+        build-essential clang git \
+        bison flex && \
+    rm -rf /var/lib/apt
 
 # Duplicate deb line as deb-src
 RUN cat /etc/apt/sources.list | sed "s/deb/deb-src/" >> /etc/apt/sources.list
 
-# Install common build utilities
-RUN apt update
-RUN apt install -yy build-essential clang
+# Setup Emdebian
+RUN echo "deb http://emdebian.org/tools/debian/ jessie main" >> 
/etc/apt/sources.list && \
+    curl http://emdebian.org/tools/debian/emdebian-toolchain-archive.key | 
apt-key add -
-- 
2.11.0