i've used this command with certbot :
certbot --agree-tos --email buo@outlook.com certonly --webroot -w /code/ree/Cert/ -d ree.com -d www.ree.com
so i have 3 folders : accounts csr keys
with various file and 2 pem file in scr ...
0000_csr-certbot.pem 0001_csr-certbot.pem
How to make a fullchain.pem from csr ?
thanks and regards