Context should use type values instead of strings.
Updated direct calls to WithValue, but still other uses of string keys.
Update Acl to ACL in s3 driver.
Cherry-picked to release/2.5 branch
Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
Signed-off-by: Misty Stanley-Jones <misty@docker.com>
Prevent using strings throughout the code to reference a string key defined in the auth package.
Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
Since RawMessage json receivers take a pointer type, the Header structure should use points in order to call the json.RawMessage marshal and unmarshal functions
Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
