Add .dockerignore for all except the actually needed files.

NikolausDemmel · NikolausDemmel · commit 743cf018b7a3 · 2016-08-05T22:13:13.000+02:00
diff --git a/.dockerignore b/.dockerignore
@@ -0,0 +1,4 @@
+*
+!index.js
+!ONVAULT
+!package.json
