diff --git a/docker-compose.yml b/docker-compose.yml
index 9615cc1f..8ad35330 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3'
 
 services:
   nginx:
-    image: nginx:1.15-alpine
+    image: nginx:1.30-alpine
     restart: unless-stopped
     volumes:
       - ./data/nginx:/etc/nginx/conf.d
diff --git a/init-letsencrypt.sh b/init-letsencrypt.sh
index a3f3cb01..7f538052 100755
--- a/init-letsencrypt.sh
+++ b/init-letsencrypt.sh
@@ -11,8 +11,11 @@ data_path="./data/certbot"
 email="" # Adding a valid address is strongly recommended
 staging=0 # Set to 1 if you're testing your setup to avoid hitting request limits
 
-if [ -d "$data_path" ]; then
-  read -p "Existing data found for $domains. Continue and replace existing certificate? (y/N) " decision
+# Use the first domain as the certificate directory name
+cert_dir="${domains[0]}"
+
+if [ -d "$data_path/conf/live/$cert_dir" ]; then
+  read -p "Existing data found for $cert_dir (${domains[*]}). Continue and replace existing certificate? (y/N) " decision
   if [ "$decision" != "Y" ] && [ "$decision" != "y" ]; then
     exit
   fi
@@ -27,9 +30,9 @@ if [ ! -e "$data_path/conf/options-ssl-nginx.conf" ] || [ ! -e "$data_path/conf/
   echo
 fi
 
-echo "### Creating dummy certificate for $domains ..."
-path="/etc/letsencrypt/live/$domains"
-mkdir -p "$data_path/conf/live/$domains"
+echo "### Creating dummy certificate for $cert_dir (${domains[*]}) ..."
+path="/etc/letsencrypt/live/$cert_dir"
+mkdir -p "$data_path/conf/live/$cert_dir"
 docker-compose run --rm --entrypoint "\
   openssl req -x509 -nodes -newkey rsa:$rsa_key_size -days 1\
     -keyout '$path/privkey.pem' \
@@ -42,15 +45,15 @@ echo "### Starting nginx ..."
 docker-compose up --force-recreate -d nginx
 echo
 
-echo "### Deleting dummy certificate for $domains ..."
+echo "### Deleting dummy certificate for $cert_dir ..."
 docker-compose run --rm --entrypoint "\
-  rm -Rf /etc/letsencrypt/live/$domains && \
-  rm -Rf /etc/letsencrypt/archive/$domains && \
-  rm -Rf /etc/letsencrypt/renewal/$domains.conf" certbot
+  rm -Rf /etc/letsencrypt/live/$cert_dir && \
+  rm -Rf /etc/letsencrypt/archive/$cert_dir && \
+  rm -Rf /etc/letsencrypt/renewal/${cert_dir}.conf" certbot
 echo
 
 
-echo "### Requesting Let's Encrypt certificate for $domains ..."
+echo "### Requesting Let's Encrypt certificate for ${domains[*]} ..."
 #Join $domains to -d args
 domain_args=""
 for domain in "${domains[@]}"; do