Webdav on Ubuntu

By using Nginx:

Create folder

sudo chown -R www-data:www-data /path/to/your/webdav/folder
sudo chmod -R 775 /path/to/your/webdav/folder

Set password

sudo apt install apache2-utils

sudo htpasswd -c /etc/nginx/webdav.passwords your_username

Nginx Config

server {
    listen 80;
    server_name example.com;

    location /webdav {
        alias /home/ubuntu/webdav;
        dav_methods PUT DELETE MKCOL COPY MOVE;
        dav_ext_methods PROPFIND OPTIONS;
        create_full_put_path on;
        dav_access group:rw all:r;
        autoindex on; 
        auth_basic "Restricted";
        auth_basic_user_file /etc/nginx/webdav.passwords;
    }
}

sudo systemctl reload nginx