Password protection - dgtlmoon/changedetection.io GitHub Wiki
You can protect your setup with a password, simply place a password in the password field in the settings tab
Password reset
If you forget your password, you can remove the password by placing a file called removepassword.lock
in your data directory and restarting your changedetection.io installation
for example (if you are the using the default recipe in README.md)
docker exec -t changedetection.io touch /datastore/removepassword.lock
docker restart changedetection.io