SSL Renewal with LE using same CSR

sslrenewal

#!/bin/bash

CONTAINER="/var/www/html"
DOMAIN="kopiro.it"

PUBLIC_DIR="$CONTAINER/public"
BACKUP_DIR="$CONTAINER/conf/backup/$(date +%s)"

mkdir -p "$BACKUP_DIR"
cp -v $CONTAINER/conf/*.pem "$BACKUP_DIR/"

rm "$CONTAINER/conf/cert.pem"
rm "$CONTAINER/conf/chain.pem"
rm "$CONTAINER/conf/fullchain.pem"

certbot-auto certonly \
--non-interactive \
--agree-tos \
--email "destefano.flavio@gmail.com" \
-a webroot \
-w "$PUBLIC_DIR" \
--rsa-key-size 4096 \
--csr "$CONTAINER/conf/csr.pem" \
--domain "$DOMAIN" \
--cert-path "$CONTAINER/conf/cert.pem" \
--chain-path "$CONTAINER/conf/chain.pem" \
--fullchain-path "$CONTAINER/conf/fullchain.pem" &&

nginx -t && 
nginx -s reload