Set DOCKER_HOST, DOCKER_TLS_VERIFY, DOCKER_CERT_PATH for k8s runner
DinD sidecar communication. Add 'until docker info' wait loop to
ensure daemon is ready before build starts.
Co-Authored-By: Claude <noreply@anthropic.com>
Build all 5 iloom services (gateway, auth, purchaser, textile, washing)
as Docker images and push to Harbor registry.
- main branch: tagged as main-<sha>
- git tag v*: tagged with version number
Co-Authored-By: Claude <noreply@anthropic.com>