fix(dockerfile): remove broken commands (#3)

Author: JacopoDaeli

Dockerfile

@@ -1,14 +1,13 @@
 FROM godaddy/node:10.5.0-alpine-3.1.1
 
 # Set ENV vars
-ENV DISABLE_NODEMON true
 ENV NODE_ENV development
 ENV NPM_CONFIG_LOGLEVEL info
 
 # Setup source directory
 RUN mkdir /app
 WORKDIR /app
-COPY docker/.npmrc package.json package-lock.json /app/
+COPY package.json package-lock.json /app/
 
 # npm install
 ARG skip_install=