Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

+ docker pull openmrs/openmrs-reference-application@sha256:cf5e7a0c8f4dff9943ee4a81401f3923379935eab68f8700eefcc9de9b6bc024
+ docker tag openmrs/openmrs-reference-application@sha256:cf5e7a0c8f4dff9943ee4a81401f3923379935eab68f8700eefcc9de9b6bc024 openmrs/openmrs-reference-application:qa
+ docker push openmrs/openmrs-reference-application:qa
+ ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null bamboo@qa-refapp.openmrs.org sudo deploy-compose qa-refapp
Warning: Permanently added 'qa-refapp.openmrs.org' (ED25519) to the list of known hosts.
The OPENMRS_DB_URL variable is not set. Defaulting to a blank string.
Pulling openmrs-referenceapplication-mysql ...
Pulling openmrs-referenceapplication       ...
Pulling openmrs-referenceapplication-mysql ... pulling from library/mysql
Pulling openmrs-referenceapplication-mysql ... digest: sha256:20575ecebe6216036d...
Pulling openmrs-referenceapplication-mysql ... status: image is up to date for m...
Pulling openmrs-referenceapplication-mysql ... done
Pulling openmrs-referenceapplication       ... pulling from openmrs/openmrs-refe...
Pulling openmrs-referenceapplication       ... already exists
Pulling openmrs-referenceapplication       ... already exists
Pulling openmrs-referenceapplication       ... already exists
Pulling openmrs-referenceapplication       ... already exists
Pulling openmrs-referenceapplication       ... already exists
Pulling openmrs-referenceapplication       ... already exists
Pulling openmrs-referenceapplication       ... already exists
Pulling openmrs-referenceapplication       ... already exists
Pulling openmrs-referenceapplication       ... already exists
Pulling openmrs-referenceapplication       ... already exists
Pulling openmrs-referenceapplication       ... already exists
Pulling openmrs-referenceapplication       ... already exists
Pulling openmrs-referenceapplication       ... already exists
Pulling openmrs-referenceapplication       ... already exists
Pulling openmrs-referenceapplication       ... pulling fs layer
Pulling openmrs-referenceapplication       ... pulling fs layer
Pulling openmrs-referenceapplication       ... pulling fs layer
Pulling openmrs-referenceapplication       ... pulling fs layer
Pulling openmrs-referenceapplication       ... waiting
Pulling openmrs-referenceapplication       ... downloading (100.0%)
Pulling openmrs-referenceapplication       ... downloading (0.5%)
Pulling openmrs-referenceapplication       ... downloading (0.7%)
Pulling openmrs-referenceapplication       ... downloading (16.7%)
Pulling openmrs-referenceapplication       ... downloading (19.8%)
Pulling openmrs-referenceapplication       ... downloading (1.1%)
Pulling openmrs-referenceapplication       ... downloading (100.0%)
Pulling openmrs-referenceapplication       ... verifying checksum
Pulling openmrs-referenceapplication       ... download complete
Pulling openmrs-referenceapplication       ... downloading (32.4%)
Pulling openmrs-referenceapplication       ... downloading (41.7%)
Pulling openmrs-referenceapplication       ... downloading (46.1%)
Pulling openmrs-referenceapplication       ... downloading (60.2%)
Pulling openmrs-referenceapplication       ... downloading (61.3%)
Pulling openmrs-referenceapplication       ... downloading (79.3%)
Pulling openmrs-referenceapplication       ... verifying checksum
Pulling openmrs-referenceapplication       ... download complete
Pulling openmrs-referenceapplication       ... downloading (77.5%)
Pulling openmrs-referenceapplication       ... downloading (93.1%)
Pulling openmrs-referenceapplication       ... verifying checksum
Pulling openmrs-referenceapplication       ... download complete
Pulling openmrs-referenceapplication       ... extracting (0.7%)
Pulling openmrs-referenceapplication       ... extracting (27.5%)
Pulling openmrs-referenceapplication       ... extracting (50.1%)
Pulling openmrs-referenceapplication       ... extracting (68.4%)
Pulling openmrs-referenceapplication       ... extracting (81.8%)
Pulling openmrs-referenceapplication       ... extracting (100.0%)
Pulling openmrs-referenceapplication       ... pull complete
Pulling openmrs-referenceapplication       ... extracting (100.0%)
Pulling openmrs-referenceapplication       ... extracting (100.0%)
Pulling openmrs-referenceapplication       ... pull complete
Pulling openmrs-referenceapplication       ... extracting (0.5%)
Pulling openmrs-referenceapplication       ... extracting (14.2%)
Pulling openmrs-referenceapplication       ... extracting (29.4%)
Pulling openmrs-referenceapplication       ... extracting (48.1%)
Pulling openmrs-referenceapplication       ... extracting (63.8%)
Pulling openmrs-referenceapplication       ... extracting (80.0%)
Pulling openmrs-referenceapplication       ... extracting (97.8%)
Pulling openmrs-referenceapplication       ... extracting (100.0%)
Pulling openmrs-referenceapplication       ... pull complete
Pulling openmrs-referenceapplication       ... extracting (3.0%)
Pulling openmrs-referenceapplication       ... extracting (100.0%)
Pulling openmrs-referenceapplication       ... extracting (100.0%)
Pulling openmrs-referenceapplication       ... pull complete
Pulling openmrs-referenceapplication       ... digest: sha256:8fd70de526daa8ab9c...
Pulling openmrs-referenceapplication       ... status: downloaded newer image fo...
Pulling openmrs-referenceapplication       ... done
The OPENMRS_DB_URL variable is not set. Defaulting to a blank string.
Stopping qa-refapp_openmrs-referenceapplication_1       ...
Stopping qa-refapp_openmrs-referenceapplication-mysql_1 ...
Stopping qa-refapp_openmrs-referenceapplication_1       ... done
Stopping qa-refapp_openmrs-referenceapplication-mysql_1 ... done
Removing qa-refapp_openmrs-referenceapplication_1       ...
Removing qa-refapp_openmrs-referenceapplication-mysql_1 ...
Removing qa-refapp_openmrs-referenceapplication-mysql_1 ... done
Removing qa-refapp_openmrs-referenceapplication_1       ... done
Removing network qa-refapp_default
Removing volume qa-refapp_openmrs-referenceapplication-mysql-data
The OPENMRS_DB_URL variable is not set. Defaulting to a blank string.
Creating network "qa-refapp_default" with the default driver
Creating volume "qa-refapp_openmrs-referenceapplication-mysql-data" with default driver
Creating qa-refapp_openmrs-referenceapplication-mysql_1 ...
Creating qa-refapp_openmrs-referenceapplication-mysql_1 ... done
Creating qa-refapp_openmrs-referenceapplication_1       ...
Creating qa-refapp_openmrs-referenceapplication_1       ... done