Setting Up a Job Step to Decode Credentials is confusing

[dhagge]

This issue is about https://circleci.com/docs/2.0/google-container-engine/ (source file: https://github.com/circleci/circleci-docs/blob/master/jekyll/_cci2/google-container-engine.md)

The section "Selecting a Base Image" references using google/cloud-sdk and the "Setting Up a Job Step to Decode Credentials" section references a custom docker container hosted out of the GCP container registry with auth username/password specified.

I found this quite confusing as in the example I changed - image: gcr.io/project/image-name to be - image: google/cloud-sdk which fails on build with the error Error response from daemon: Get https://registry-1.docker.io/v2/google/cloud-sdk/manifests/latest: unauthorized: incorrect username or password.

After some digging I figured out the issue was that specifying auth fails since google/cloud-sdk is a public docker image, but I think this should be drawn out better in the docs.

[aeneasr]

I stumbled on this as well! Thank you!

[ssinhas]

I have the same issue. Documents is really vague and not very helpful.
Github links takes to repo which is nothing to do google cloud.