Fix 'use omit=dev' warning. copy package-lock.json if it exists (#632)

* Fix 'use omit=dev' warning. copy package-lock

* add package-lock to project

* change to ci.

light version won't copy over package-lock, so keep that npm install.

Dockerfile_light

@@ -27,6 +27,6 @@ ENTRYPOINT ["/usr/src/app/docker-entrypoint.sh"]
 
 RUN mkdir -p /usr/src/app
 COPY / /usr/src/app
-RUN cd /usr/src/app && npm install --production
+RUN cd /usr/src/app && npm install --omit=dev
 RUN ["chmod", "+x", "/usr/src/app/docker-entrypoint.sh"]
 USER node:node