Fix of multiple files

Author: fabriziocucci

src/v2/cookbook/dockerize-vuejs-app.md

@@ -20,7 +20,7 @@ RUN npm install -g http-server
 WORKDIR /app
 
 # copy both 'package.json' and 'package-lock.json' (if available)
-COPY package*.json .
+COPY package*.json ./
 
 # install project dependencies
 RUN npm install