def add_image(self, image, force=False, dockerfile=None, annotations={}, autosubscribe=True):
        '''**Description**
            Add an image to the scanner

        **Arguments**
            - image: Input image can be in the following formats: registry/repo:tag
            - dockerfile: The contents of the dockerfile as a str.
            - annotations: A dictionary of annotations {str: str}.
            - autosubscribe: Should active the subscription to this image?

        **Success Return Value**
            A JSON object representing the image that was added.
        '''
        itype = self._discover_inputimage_format(image)
        if itype != 'tag':
            return [False, "can only add a tag"]

        payload = {}
        if dockerfile:
            payload['dockerfile'] = base64.b64encode(dockerfile.encode()).decode("utf-8")
        payload['tag'] = image
        if annotations:
            payload['annotations'] = annotations

        url = "{base_url}/api/scanning/v1/anchore/images?autosubscribe={autosubscribe}{force}".format(
            base_url=self.url,
            autosubscribe=str(autosubscribe),
            force="&force=true" if force else "")

        res = requests.post(url, data=json.dumps(payload), headers=self.hdrs, verify=self.ssl_verify)
        if not self._checkResponse(res):
            return [False, self.lasterr]

        return [True, res.json()]
**Description**
            Add an image to the scanner

        **Arguments**
            - image: Input image can be in the following formats: registry/repo:tag
            - dockerfile: The contents of the dockerfile as a str.
            - annotations: A dictionary of annotations {str: str}.
            - autosubscribe: Should active the subscription to this image?

        **Success Return Value**
            A JSON object representing the image that was added.