diff --git a/.travis.yml b/.travis.yml
index d4d05c8..e49ebb6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,9 +15,7 @@ install:
 before_script:
   - |
     export PATH=$PATH:~/ci-scripts
-    [ ${TRAVIS_BRANCH} == master ] && \
-      export variant="latest" || \
-      export variant=${TRAVIS_BRANCH}
+    [ ${TRAVIS_BRANCH} == master ] || export variant=${TRAVIS_BRANCH}
 script:
   - |
     # build base node images that are used further in the project
diff --git a/node-ruby/Dockerfile b/node-ruby/Dockerfile
index 7d6c2d2..91bdadf 100644
--- a/node-ruby/Dockerfile
+++ b/node-ruby/Dockerfile
@@ -1,5 +1,8 @@
 FROM alpine:3.4
 
+LABEL vendor=makeomatic \
+      version_tags="[\"6\",\"6.7.0\"]"
+
 ENV NODE_VERSION=v6.7.0 \
     NPM_VERSION=3 \
     NODE_HOME=/usr/local \
diff --git a/node-ssh/Dockerfile b/node-ssh/Dockerfile
index 90aff96..ee4891e 100644
--- a/node-ssh/Dockerfile
+++ b/node-ssh/Dockerfile
@@ -1,5 +1,8 @@
 FROM alpine:3.4
 
+LABEL vendor=makeomatic \
+      version_tags="[\"6\",\"6.7.0\"]"
+
 ENV NODE_VERSION=v6.7.0 \
     NPM_VERSION=3 \
     NODE_HOME=/usr/local
diff --git a/node-vips-ssh/Dockerfile b/node-vips-ssh/Dockerfile
index 7028874..8a50e50 100644
--- a/node-vips-ssh/Dockerfile
+++ b/node-vips-ssh/Dockerfile
@@ -1,5 +1,8 @@
 FROM alpine:3.4
 
+LABEL vendor=makeomatic \
+      version_tags="[\"6\",\"6.7.0\"]"
+
 ENV NODE_VERSION=v6.7.0 \
     NPM_VERSION=3 \
     NODE_HOME=/usr/local
diff --git a/node-vips/Dockerfile b/node-vips/Dockerfile
index 1c882fc..4ba2e6f 100644
--- a/node-vips/Dockerfile
+++ b/node-vips/Dockerfile
@@ -1,5 +1,8 @@
 FROM alpine:3.4
 
+LABEL vendor=makeomatic \
+      version_tags="[\"6\",\"6.7.0\"]"
+
 ENV NODE_VERSION=v6.7.0 \
     NPM_VERSION=3.9.6 \
     NODE_HOME=/usr/local
diff --git a/node/Dockerfile b/node/Dockerfile
index b5881a5..7fbb069 100644
--- a/node/Dockerfile
+++ b/node/Dockerfile
@@ -1,5 +1,8 @@
 FROM alpine:3.4
 
+LABEL vendor=makeomatic \
+      version_tags="[\"6\",\"6.7.0\"]"
+
 ENV NODE_VERSION=v6.7.0 \
     NPM_VERSION=3 \
     NODE_HOME=/usr/local