specify platform and external network for docker compose#1242

tcnichol wants to merge 3 commits intomainclowder-framework/clowder2:mainfrom

1241-need-to-specify-platform-for-docker-compose-previewersclowder-framework/clowder2:1241-need-to-specify-platform-for-docker-compose-previewersCopy head branch name to clipboard