Message: binary is not a Firefox executable

# docker pull instapy/instapy:latest && \
docker run --name instapy \
-v /home/username/Documents/username/instapy/quickstart.py:/code/docker_quickstart.py \
-v /home/username/Documents/username/instapy/InstaPy:/code/InstaPy \
-d instapy/instapy:latest

2652kb [00:01, 2553.41kb/s]
InstaPy Version: 0.6.13
._. ._. ._. ._. ._. ._. ._.
Workspace in use: "/root/InstaPy"
Traceback (most recent call last):
File "docker_quickstart.py", line 25, in
browser_executable_path="/usr/bin/microsoft-edge")
File "/usr/local/lib/python3.7/site-packages/instapy/instapy.py", line 338, in __init__
geckodriver_log_level,
File "/usr/local/lib/python3.7/site-packages/instapy/browser.py", line 127, in set_selenium_local_session
options=firefox_options,
File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/firefox/webdriver.py", line 174, in __init__
keep_alive=True)
File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 157, in __init__
self.start_session(capabilities, browser_profile)
File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 252, in start_session
response = self.execute(Command.NEW_SESSION, parameters)
File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 321, in execute
self.error_handler.check_response(response)
File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/errorhandler.py", line 242, in check_response
raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.InvalidArgumentException: Message: binary is not a Firefox executable