examples - add various certbot-dns examples

examples/certbot-dns-ovh/README.md

@@ -2,6 +2,6 @@ Please have a look at the [certbot-dns-ovh documentation](https://certbot-dns-ov
 
 Procedure :
 - Edit domains in the compose file
-- Edit OVH infos (use https://eu.api.ovh.com/createToken/)
+- Edit OVH credentials in ovh.ini file (generate using https://eu.api.ovh.com/createToken/)
 - Run certbot only and wait for certificate to be generated : `docker-compose up -d mycertbot`
 - When certificates are generated, run your services : `docker-compose up -d`

examples/certbot-dns-ovh/entrypoint.sh

@@ -12,7 +12,7 @@ if [ -f "/etc/letsencrypt/live/${first_domain}/fullchain.pem" ] ; then
 	certbot renew
 else
 	echo "Asking for certificates ..."
-	certbot certonly --dns-ovh --dns-ovh-credentials /opt/ovh.ini --email "$EMAIL" --agree-tos -d "$DOMAINS"
+	certbot certonly -n --dns-ovh --dns-ovh-credentials /opt/ovh.ini --email "$EMAIL" --agree-tos -d "$DOMAINS"
 fi
 
 echo "Fixing permissions ..."