Multi arch docker image to run a pubsub emulator

Docker Hub

Building a new image

1. Create a new builder

   $ docker buildx create --name mybuilder
   

2. Switch to the new builder and bootstrap

   $ docker buildx use mybuilder
   $ docker buildx inspect --bootstrap
   

3. Build and push the image to Docker Hub

   $ docker buildx build --platform linux/amd64,linux/arm64 -t sideinc/pubsub-emulator:1.0.0 -t sideinc/pubsub-emulator:latest --push .