TODO

• LOGGING_LEVEL: (Optional) Logging level needed. Can be DEBUG, INFO, WARNING or CRITICAL. (Default: INFO)
• DOCKER_REGISTRY_URL: (Required) Docker registry HTTPS URL that needs to be scanned. (e.g. https://docker-registry.example.com:12345/path/to/repository/)
• DOCKER_REGISTRY_CA_FILE: (Optional) PEM format file of CA.
• DOCKER_IMAGES_FILTER: (Optional) REGEX pattern used to filter Docker images. (Default: .*)
• DOCKER_TAGS_FILTER: (Optional) REGEX pattern used to filter Docker image tags. (Default: .*)
• IMAGE_LIST_NBR_MAX: (Optional) Maximum number of Docker images that needs to be fetch from Docker registry. (Default: 1000)
• HTTPS_CONNECTION_TIMEOUT: (Optional) Docker registry client HTTPS connection timeout. (Default: 3)
• FORCE: (Optional) This option is useful only if you give "dangerous" regex patterns such as '.*'. (Default: NO)
• DRY_RUN: (Optional) This option make sure you can run the cleaner without really delete Docker images. It is enabled by default to avoid mistakes. (Default: YES)