compose: expose embedding ports for harness attach mode#2

sosahi merged 1 commit intososahi:sohail/bump-nim-versionssosahi/nv-ingest:sohail/bump-nim-versionsfrom

jioffe502:jioffe/pr-1497-harness-stackjioffe502/nv-ingest:jioffe/pr-1497-harness-stackCopy head branch name to clipboard