Docker Build Fixes for new dependencies

Dockerfile

@@ -6,19 +6,20 @@ ARG VCS_URL
 ARG VERSION
 LABEL org.label-schema.build-date=$BUILD_DATE \
   org.label-schema.name="Gun - Offline First, Javascript Graph Database" \
-#  org.label-schema.description="Let it be pulled from Readme.md..." \
   org.label-schema.url="http://gun.js.org" \
   org.label-schema.vcs-ref=$VCS_REF \
   org.label-schema.vcs-url=$VCS_URL \
   org.label-schema.vendor="The Gun Database Team" \
   org.label-schema.version=$VERSION \
   org.label-schema.schema-version="1.0"
+#  org.label-schema.description="Let it be pulled from Readme.md..." \
 WORKDIR /app
 ADD . .
 ENV NPM_CONFIG_LOGLEVEL warn
 RUN apk update && apk upgrade \
   && apk add  --no-cache ca-certificates nodejs \
-  && npm install  \
-  && rm -rf /var/cache/* -rf /tmp/npm*
+  && apk add --no-cache --virtual .build-dependencies python make g++ \
+  && npm install \
+  && apk del .build-dependencies && rm -rf /var/cache/* /tmp/npm*
 EXPOSE 8080
 CMD ["npm","start"]