Multi-arch BigTable emulator docker image

build.sh

#!/bin/bash
port=8086
cmd=/google-cloud-sdk/bin/gcloud
$cmd components update beta
$cmd beta emulators bigtable start --quiet --host-port=0.0.0.0:$port &

while true; do
  nc -z -v -w1 localhost $port >/dev/null 2>&1
  if [ $? -eq 0 ]; then
    echo "Process is listening on port $port."
    break
  else
    echo "Waiting for process to listen on port $port..."
  fi
  sleep 1
done

echo "BigTable emulator installed"

kill %1

Dockerfile

FROM python:3-slim
COPY build.sh /build.sh
RUN apt-get update -qqy && apt-get install -qqy curl netcat &&\
    curl https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-cli-424.0.0-linux-arm.tar.gz -o google-cloud-cli.tar.gz &&\
	tar -xf google-cloud-cli.tar.gz &&\
    rm google-cloud-cli.tar.gz &&\
	/google-cloud-sdk/install.sh --quiet --usage-reporting=false --screen-reader=false --command-completion=false --path-update=false &&\
	/build.sh &&\
    apt-get clean

CMD /google-cloud-sdk/bin/gcloud beta emulators bigtable start --quiet --host-port=0.0.0.0:8086
EXPOSE 8086