diff --git a/.gitignore b/.gitignore
index 12baf77..a560a9c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@ public/fonts
 public/js
 public/views
 vendor
+VERSION
diff --git a/.travis.yml b/.travis.yml
index fc72ab8..150bbaa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,7 +23,7 @@ install:
 
 script:
   - docker-compose run --rm composer install
-  - docker-compose run --rm npm install
+  - docker-compose run --rm npm -q install
   - docker-compose run --rm gulp --production
   - docker-compose run --rm artisan key:generate
   - docker-compose run --rm phpunit
diff --git a/docker-compose.sample.yml b/docker-compose.sample.yml
index 4026567..240eebe 100644
--- a/docker-compose.sample.yml
+++ b/docker-compose.sample.yml
@@ -47,14 +47,14 @@ services:
     volumes_from:
       - app
   npm:
-    image: rolckers/web-nodejs
+    image: rolckers/web-nodejs:4.6
     command: --help
     entrypoint:
       - npm
     volumes_from:
       - app
   gulp:
-    image: rolckers/web-nodejs
+    image: rolckers/web-nodejs:4.6
     command: --help
     entrypoint:
       - gulp
diff --git a/docker/create-rc.sh b/docker/create-rc.sh
index f266765..506c6a3 100755
--- a/docker/create-rc.sh
+++ b/docker/create-rc.sh
@@ -8,17 +8,29 @@ if [ ! -d .git ]; then
   exit 1
 fi
 
+if [ -z "$1" ]; then
+  echo "no version specified, please run with e.g. 'docker/create-rc.sh v1.0'"
+  exit 1
+fi
+
+if [ -f "$1.tar.gz" ]; then
+  echo "the file $1.tar.gz exist, please remove and try again"
+  exit 1
+fi
+
 docker-compose run --rm gulp --production
 
 docker-compose run --rm phpunit
 
 find ./storage -type 'f' | grep -v ".gitignore" | xargs rm -f
 
-TIMESTAMP=$(date +%s)
+TIMESTAMP=$(date)
+
+echo "$1 created at $TIMESTAMP" >> ./VERSION
 
 tar \
     --owner=0 --group=0 \
-    -czf ./easy-bookmark-manager.$TIMESTAMP.tar.gz \
+    -czf ./$1.tar.gz \
     app/ \
     bootstrap/ \
     config/ \
@@ -33,4 +45,5 @@ tar \
     .htaccess \
     artisan \
     docker-compose.sample.yml \
-    server.php
+    server.php \
+    VERSION