container-update-checker
check if a container needs rebuilding
Environment variables
| Name | Comment |
|---|---|
| BASE | the image the Dockerfile is based on |
| TARGET | the image thats based of BASE |
| REGISTRY_USERNAME | the username for logging in into the registry this is only requered of private repos |
| REGISTRY_PASSWORD | the password for logging in into the registry (you probaly want to use a token here) |
| REGISTRY_API | the type of registry valid options are docker and giteaDefault: docker |
| REGISTRY_URL | the url to the registry Default: https://hub.docker.com |
| BASE_REGISTRY_USERNAME | if left empty REGISTRY_USERNAME is used |
| BASE_REGISTRY_PASSWORD | if left empty REGISTRY_PASSWORD is used |
| BASE_REGISTRY_API | if left empty REGISTRY_API is used |
| BASE_REGISTRY_URL | if left empty REGISTRY_URL is used |
| TARGET_REGISTRY_USERNAME | if left empty REGISTRY_USERNAME is used |
| TARGET_REGISTRY_PASSWORD | if left empty REGISTRY_PASSWORD is used |
| TARGET_REGISTRY_API | if left empty REGISTRY_API is used |
| TARGET_REGISTRY_URL | if left empty REGISTRY_URL is used |
Exit codes
| State | Exit code | Comment |
|---|---|---|
BASE is more recent than TARGET |
0 | An update is needed |
TARGET is more recent than BASE |
1 | No update is needed (the pipeline wil "fail" but that is wat we want ) |
| An error occured | 0 | So the pipeline can continue |