Update Node in slackbot dockerfile (#1029)

fhinkel · web-flow · commit 7a9b00466bb0 · 2018-12-14T11:24:23.000-05:00
Refs: #860
diff --git a/language/slackbot/Dockerfile b/language/slackbot/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM node:5.4
+FROM node:8
 
 RUN apt-get update
 RUN apt-get install -y sqlite3
