ssl example using node

gistfile1.txt

openssl genrsa -out server-key.pem 2048
openssl req -new -key server-key.pem -out server-csr.pem
OR 
openssl req -new -newkey rsa:2048 -nodes -keyout server.key -out server.csr

and
openssl x509 -req -in server-csr.pem -signkey server-key.pem -out server-cert.pem


past in ssl provider: cat server-csr.pem

waiting order approved and then:
get files (Web Server CERTIFICATE  and INTERMEDIATE CA)
on server create file: server-cert.pem 

require('https').createServer({
    key: fs.readFileSync('/var/www/server-key.pem'),
    cert: fs.readFileSync('/var/www/server-cert.pem')
}, app).listen(443);