Added python3 and make installation step to the relay initcontainer
Without python3 and make the build fails on `npm ci` step with `node-gyp`
complaining about python and make being not available.
FROM node:13-alpine AS install
-RUN apk --no-cache add git
+ENV LD_LIBRARY_PATH=/usr/local/lib/
+
+RUN apk add --update --no-cache \
+ g++ \
+ linux-headers \
+ make \
+ python3 \
+ git
WORKDIR /tmp
