EnvConfig translates the command-line options into environment variables that will initialize the api client.

GetSecretsFromFiles checks if passwords/tokens/webhooks have been passed as a file instead of plaintext.

ProcessFlagAliases updates the value of flags that are being set by helper flags.

ReadFlags reads common flags used in the main program flow of watchtower.

RegisterDockerFlags that are used directly by the docker api client.

RegisterNotificationFlags that are used by watchtower to send notifications.

RegisterSystemFlags that are used by watchtower to modify the program flow.

SetDefaults provides default values for environment variables.

SetupLogging reads only the flags that is needed to set up logging and applies them to the global logger.

DockerAPIMinVersion is the minimum version of the docker api required to use watchtower.