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@adamw
Created June 6, 2014 08:34
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#!/bin/sh
function copy_if_changed {
local path_from="$2/$1"
local path_to="$3/$1"
local md5_from=$(md5 -q $path_from)
if [ -e $path_to ]
then
local md5_to=$(md5 -q $path_to)
else
local md5_to=""
fi
if [ "q$md5_from" = "q$md5_to" ];
then
echo "$1 not changed, not copying"
else
echo "$1 changed, copying"
cp $path_from $path_to
fi
}
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
# build jars
cd $DIR/..
sbt assembly assemblyPackageDependency
cd $DIR
# Only copy jars if they are changed, so that the docker cache (which for ADD, looks at timestamps) works.
mkdir -p target
jars=( myapp-assembly-1.0-deps.jar myapp-assembly-1.0.jar )
for jar in ${jars[@]}
do
copy_if_changed $jar ../target/scala-2.11 target
done
#
docker build -t "adamw/myapp" .
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