We’ve previously used specific MongoDB images for our builds, e.g.
circleci/mongo:3.2.13. it seems like these images are now missing:
Starting container circleci/mongo:3.2.13 image cache not found on this host, downloading circleci/mongo:3.2.13 Error response from daemon: manifest for circleci/mongo:3.2.13 not found
This means all our old builds are now failing, and we have to update the image for new builds. To avoid this issue in the future, we’ve changed the tag to just e.g.
circleci/mongo:3.2, but this goes against the best practices documented here: https://circleci.com/docs/2.0/circleci-images/#best-practices
Please either keep the old tags/images around, or update the best practices document.