new docker file with nvm

docker/Dockerfile-nodejs-xenial-pg101:latest

@@ -6,7 +6,6 @@ ENV NPROCS 1
 ENV JOBS 1
 ENV CXX g++-4.9
 ENV PGUSER postgres
-ENV NODEJS_VERSION --lts
 
 # Add external repos
 RUN set -ex \
@@ -87,8 +86,8 @@ RUN set -ex \
 WORKDIR /srv
 EXPOSE 5858
 
-CMD /etc/init.d/postgresql start \
-    && nvm install $NODEJS_VERSION \
-    && nvm alias default $NODEJS_VERSION \
-    && nvm use default
+COPY ./scripts/init.sh /tmp/init.sh
+RUN chmod 777 /tmp/init.sh
+
+CMD /tmp/init.sh