using npm login

docker/Dockerfile

 # Stage 0, "build-stage", based on Node.js, to build and compile Angular
-FROM node:6.11.1 as build-stage
+FROM ubuntu as build-stage
 
 RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get -y dist-upgrade
@@ -58,7 +58,7 @@ ARG SSH_PRIVATE_KEY
 
 # RUN echo exit 0 > /usr/sbin/policy-rc.d
 
-# RUN apt-get update && apt-get install -y openssh-server
+RUN apt-get update && apt-get install -y openssh-server
 # 1. Create the SSH directory.
 # 2. Populate the private key file.
 # 3. Set the required permissions.