`docker compose up --build` produces error

[nutjob4life]

Running docker compose up --build (or for older versions of Docker, docker-compose up --build) with a master of 9f797de (2025-07-11) produces this error message:

 => [labcas-backend] resolving provenance for metadata file                                                        0.0s
 => [publish internal] load build definition from Dockerfile                                                       0.0s
 => => transferring dockerfile: 2.72kB                                                                             0.0s
 => [labcas-ui internal] load build definition from Dockerfile                                                     0.0s
 => => transferring dockerfile: 2.26kB                                                                             0.0s
 => [airflow internal] load build definition from Dockerfile                                                       0.0s
 => => transferring dockerfile: 1.10kB                                                                             0.0s
 => ERROR [labcas-ui internal] load metadata for docker.io/library/labcas-ubuntubase:latest                        0.5s
 => CANCELED [airflow internal] load metadata for docker.io/apache/airflow:2.6.3                                   0.5s
 => CANCELED [publish internal] load metadata for docker.io/library/python:3.10-slim                               0.5s
 => [publish auth] library/python:pull token for registry-1.docker.io                                              0.0s
 => [airflow auth] apache/airflow:pull token for registry-1.docker.io                                              0.0s
 => [labcas-ui auth] library/labcas-ubuntubase:pull token for registry-1.docker.io                                 0.0s
------
 > [labcas-ui internal] load metadata for docker.io/library/labcas-ubuntubase:latest:
------
failed to solve: labcas-ubuntubase: failed to resolve source metadata for docker.io/library/labcas-ubuntubase:latest: pull access denied, repository does not exist or may require authorization: server message: insufficient_scope: authorization failed

Reproduction

$ date -u
Fri Jul 18 14:23:28 UTC 2025
$ cd /tmp
$ git clone --quiet https://github.com/Labcas-NIST/labcas-docker.git
$ cd labcas-docker
$ docker compose up --build
…
 => CANCELED [airflow internal] load metadata for docker.io/apache/airflow:2.6.3                                   0.4s
 => ERROR [labcas-ui internal] load metadata for docker.io/library/labcas-ubuntubase:latest                        0.3s
 => CANCELED [publish internal] load metadata for docker.io/library/python:3.10-slim                               0.4s
 => [airflow auth] apache/airflow:pull token for registry-1.docker.io                                              0.0s
 => [publish auth] library/python:pull token for registry-1.docker.io                                              0.0s
 => [labcas-ui auth] library/labcas-ubuntubase:pull token for registry-1.docker.io                                 0.0s
------
 > [labcas-ui internal] load metadata for docker.io/library/labcas-ubuntubase:latest:
------
failed to solve: labcas-ubuntubase: failed to resolve source metadata for docker.io/library/labcas-ubuntubase:latest: pull access denied, repository does not exist or may require authorization: server message: insufficient_scope: authorization failed

Versions

• macOS 15.5 (24F74)
• Docker Desktop 4.39.0 (184744)