also tag image with short version

bin/build_docker.sh

@@ -12,6 +12,7 @@ IFS=$'\n'
 
 REPO_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && cd .. && pwd )"
 VERSION="$(jq -r '.version' < "$REPO_DIR/package.json")"
+SHORT_VERSION="$(echo "$VERSION" | perl -pe 's/(\d+)\.(\d+)\.(\d+)/$1.$2/g')"
 cd "$REPO_DIR"
 
 which docker > /dev/null
@@ -20,9 +21,13 @@ echo "[+] Building docker image in the background..."
 docker build . -t archivebox \
                -t archivebox:latest \
                -t archivebox:$VERSION \
+               -t archivebox:$SHORT_VERSION \
                -t docker.io/nikisweeting/archivebox:latest \
                -t docker.io/nikisweeting/archivebox:$VERSION \
+               -t docker.io/nikisweeting/archivebox:$SHORT_VERSION \
                -t docker.io/archivebox/archivebox:latest \
                -t docker.io/archivebox/archivebox:$VERSION \
+               -t docker.io/archivebox/archivebox:$SHORT_VERSION \
                -t docker.pkg.github.com/pirate/archivebox/archivebox:latest \
-               -t docker.pkg.github.com/pirate/archivebox/archivebox:$VERSION
+               -t docker.pkg.github.com/pirate/archivebox/archivebox:$VERSION \
+               -t docker.pkg.github.com/pirate/archivebox/archivebox:$SHORT_VERSION