Reduce the memory consumption at startup (#2247)

Offline image is automatically loaded when the system boots. When the system memory is not large enough (such as 1G), will lead to kernel panic.
rancher · Feb 5, 2018 · 8cda43a · 8cda43a
1 parent 22cac7a
commit 8cda43a
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diff --git a/Dockerfile.dapper b/Dockerfile.dapper
@@ -35,7 +35,8 @@ RUN echo "Acquire::http { Proxy \"$APTPROXY\"; };" >> /etc/apt/apt.conf.d/01prox
         vim \
         wget \
         xorriso \
-	telnet
+        xz-utils \
+        telnet
 
 ########## Dapper Configuration #####################
 

diff --git a/scripts/tar-images b/scripts/tar-images
@@ -13,5 +13,5 @@ for i in $IMAGES; do
 done
 
 echo "tar-images: docker save ${IMAGES} > build/images.tar"
-docker save ${IMAGES} > build/images.tar
+docker save ${IMAGES} | xz > build/images.tar
 echo "tar-images: DONE"
-Original file line number
+Diff line change
@@ Expand Up @@
             vim \
             wget \
             xorriso \
-    	telnet
+            xz-utils \
+            telnet
     ########## Dapper Configuration #####################
@@ Expand Down @@