I refer this but my issue is this

https://www.surveyspan.com/ this will work but odoo not working

http://surveyspan.com/web/login this will work but not showing not secure

nginx: [emerg] BIO_new_file("/etc/nginx/ssl/certs/surveyspan_com.crt") failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/etc/nginx/ssl/certs/surveyspan_com.crt','r') error:2006D080:BIO routines:BIO_new_file:no such file)

nginx: configuration file /etc/nginx/nginx.conf test failed