updated node version inside dockerfile

Author: markus.zimmermann

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:8.11
+FROM node:8
 
 # dependencies for chromium
 RUN apt-get update && apt-get install -y gconf-service libasound2 libatk1.0-0 libc6 libcairo2 libcups2 libdbus-1-3 libexpat1 libfontconfig1 libgcc1 libgconf-2-4 \
@@ -11,4 +11,4 @@ RUN yarn config set cache-folder ./.yarn-cache && \
     yarn global add gulp && \
     yarn global add puppeteer && \
     yarn global add @sentry/cli && \
-    yarn install
+    yarn install