NewConfig returns a config struct created by merging environment variables, a config file, and EC2 Metadata info.

NewSensitiveRawMessage returns a new encapsulated json.RawMessage that cannot be accidentally logged via .String/.GoString/%v/%#v.

DefaultTaskCleanupWaitDuration specifies the default value for task cleanup duration.

http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=docker.

SensitiveRawMessage is a struct to store some data that should not be logged or printed.