export PATH=/usr/local/go/bin:$PATH
-
 DIR="$(dirname `readlink -f $0`)"
-cd $DIR
+
 apt-get update && apt-get install -y git wget gcc
 wget -qO- https://storage.googleapis.com/golang/go1.8.3.linux-amd64.tar.gz | tar -C /usr/local/ -xz
 rm -rf plugins
 cd plugins
 git checkout 5544d9ced0d6e908fe26e9dbe529c7feb87d21f5
 mkdir plugins/main/ovsdpdk
-cp ../ovsdpdk.go plugins/main/ovsdpdk
+cp $DIR/ovsdpdk.go plugins/main/ovsdpdk
 sed -i "s,PLUGINS=.*,PLUGINS=plugins/main/ovsdpdk," build.sh
 ./build.sh
 mkdir -p /opt/cni/bin
 cp bin/ovsdpdk /opt/cni/bin
-cp ../setup_ovsdpdk.sh ../teardown_ovsdpdk.sh /opt/cni/bin
-rm -rf plugins
+cp $DIR/setup_ovsdpdk.sh $DIR/teardown_ovsdpdk.sh /opt/cni/bin