message: Use alpine:3.15 and install Node.js to reduce image size
diff: @@ -19,7 +19,12 @@ RUN ln -sf python3 /usr/bin/python
  RUN yarn install && yarn run build
  RUN (cd packages/faucet && SKIP_BUILD=1 yarn pack-node)
  -FROM node:14-alpine
  +# Use Alpine and install Node.js which is 50% smaller than the -alpine version of the node
  +# image (53 MB including the faucet app).
  +FROM alpine:3.15
  +# Installs Node.js 16 (https://pkgs.alpinelinux.org/packages?name=nodejs&branch=v3.15)
  +RUN apk add --update nodejs
  +
  COPY --from=build-env /app/packages/faucet /app/packages/faucet
  WORKDIR /app
  