message: fix(express): use buster slim over alpine
  stellar-sdk crashes express while running linux:alpine
  switch to buster-slim & use apt-get to install OS deps
  Ticket:
diff: # An elaborated scheme to build all the dependencies of all packages first in a cached layer
  # https://stackoverflow.com/a/63142468/134409
  # https://medium.com/@emilefugulin/building-a-sane-docker-image-for-typescript-lerna-and-prisma-2-76d8ff9926e4
  -FROM node:16-alpine@sha256:bf1e1c4761cd5e417b5ed60d5c599266270b728878089efcd1d63a8bd1dde446 AS filter-packages-json
  +FROM node:16-buster-slim@sha256:1d5b38c2dc2a7752a13818dfef9c0ad752cbc3becee097053fac460a57120a8b AS filter-packages-json
  MAINTAINER Developer Relations <developer-relations-team@bitgo.com>
  COPY package.json yarn.lock lerna.json ./
  @@ -12,8 +12,8 @@ COPY modules ./modules
  # delete all the non package.json files under `./modules/`
  RUN find modules \! -name "package.json" -mindepth 2 -maxdepth 2 -print | xargs rm -rf
  -FROM node:16-alpine@sha256:bf1e1c4761cd5e417b5ed60d5c599266270b728878089efcd1d63a8bd1dde446 AS builder
  -RUN apk add --no-cache git python3 make g++ libtool autoconf automake
  +FROM node:16-buster-slim@sha256:1d5b38c2dc2a7752a13818dfef9c0ad752cbc3becee097053fac460a57120a8b AS builder
  +RUN apt-get update && apt-get install -y git python3 make g++ libtool autoconf automake
  WORKDIR /tmp/bitgo
  COPY --from=filter-packages-json /tmp/bitgo .
  # (skip postinstall) https://github.com/yarnpkg/yarn/issues/4100#issuecomment-388944260
  @@ -31,8 +31,8 @@ RUN \
  rm -r modules/*/src
  -FROM node:16-alpine@sha256:bf1e1c4761cd5e417b5ed60d5c599266270b728878089efcd1d63a8bd1dde446
  -RUN apk add --no-cache tini
  +FROM node:16-buster-slim@sha256:1d5b38c2dc2a7752a13818dfef9c0ad752cbc3becee097053fac460a57120a8b
  +RUN apt-get update && apt-get install -y tini
  # copy the root node_modules to the bitgo-express parent node_modules
  COPY --from=builder /tmp/bitgo/node_modules /var/node_modules/
  COPY --from=builder /tmp/bitgo/modules/express /var/bitgo-express/
  @@ -195,4 +195,4 @@ USER node
  ENV NODE_ENV production
  ENV BITGO_BIND 0.0.0.0
  EXPOSE 3080
  -ENTRYPOINT ["/sbin/tini", "--", "/usr/local/bin/node", "/var/bitgo-express/bin/bitgo-express"]
  +ENTRYPOINT ["/usr/bin/tini", "--", "/usr/local/bin/node", "/var/bitgo-express/bin/bitgo-express"]
  