diff --git a/bitnami/nginx/1.23/debian-11/Dockerfile b/bitnami/nginx/1.23/debian-11/Dockerfile
index a496d030f359..7a5649791e4a 100644
--- a/bitnami/nginx/1.23/debian-11/Dockerfile
+++ b/bitnami/nginx/1.23/debian-11/Dockerfile
@@ -4,7 +4,8 @@ ARG TARGETARCH
 
 LABEL org.opencontainers.image.authors="https://bitnami.com/contact" \
       org.opencontainers.image.description="Application packaged by Bitnami" \
-      org.opencontainers.image.ref.name="1.23.3-debian-11-r10" \
+      org.opencontainers.image.licenses="Apache-2.0" \
+      org.opencontainers.image.ref.name="1.23.3-debian-11-r11" \
       org.opencontainers.image.source="https://github.com/bitnami/containers/tree/main/bitnami/nginx" \
       org.opencontainers.image.title="nginx" \
       org.opencontainers.image.vendor="VMware, Inc." \
diff --git a/bitnami/nginx/1.23/debian-11/prebuildfs/opt/bitnami/scripts/libversion.sh b/bitnami/nginx/1.23/debian-11/prebuildfs/opt/bitnami/scripts/libversion.sh
index f3bc7568bfa5..ad2f0eee48df 100644
--- a/bitnami/nginx/1.23/debian-11/prebuildfs/opt/bitnami/scripts/libversion.sh
+++ b/bitnami/nginx/1.23/debian-11/prebuildfs/opt/bitnami/scripts/libversion.sh
@@ -31,7 +31,7 @@ get_sematic_version () {
 
         while [[ $i -lt $n ]]; do
             if [[ -n "${BASH_REMATCH[$i]}" ]] && [[ "${BASH_REMATCH[$i]:0:1}" != '.' ]];  then
-                version_sections[$j]=${BASH_REMATCH[$i]}
+                version_sections[j]="${BASH_REMATCH[$i]}"
                 ((j++))
             fi
             ((i++))
diff --git a/bitnami/nginx/1.23/debian-11/rootfs/opt/bitnami/scripts/libnginx.sh b/bitnami/nginx/1.23/debian-11/rootfs/opt/bitnami/scripts/libnginx.sh
index cb791af18624..bde1ebb2822f 100644
--- a/bitnami/nginx/1.23/debian-11/rootfs/opt/bitnami/scripts/libnginx.sh
+++ b/bitnami/nginx/1.23/debian-11/rootfs/opt/bitnami/scripts/libnginx.sh
@@ -252,14 +252,14 @@ ensure_nginx_app_configuration_exists() {
             --server-aliases)
             var_name="$(echo "$1" | sed -e "s/^--//" -e "s/-/_/g")"
             shift
-            read -r -a "$var_name" <<<"$1"
+            read -r -a "${var_name?}" <<<"$1"
             ;;
         --disable | \
             --disable-http | \
             --disable-https)
 
             var_name="$(echo "$1" | sed -e "s/^--//" -e "s/-/_/g")"
-            export "${var_name}=yes"
+            export "${var_name?}=yes"
             ;;
         --type | \
             --server-name | \
@@ -273,7 +273,7 @@ ensure_nginx_app_configuration_exists() {
 
             var_name="$(echo "$1" | sed -e "s/^--//" -e "s/-/_/g")"
             shift
-            export "${var_name}"="$1"
+            export "${var_name?}"="$1"
             ;;
         *)
             echo "Invalid command line flag $1" >&2
@@ -419,7 +419,7 @@ ensure_nginx_prefix_configuration_exists() {
 
             var_name="$(echo "$1" | sed -e "s/^--//" -e "s/-/_/g")"
             shift
-            declare "${var_name}"="$1"
+            declare "${var_name?}"="$1"
             ;;
         *)
             echo "Invalid command line flag $1" >&2
@@ -499,7 +499,7 @@ nginx_update_app_configuration() {
             )
                 var_name="$(echo "$1" | sed -e "s/^--//" -e "s/-/_/g")"
                 shift
-                read -r -a "$var_name" <<<"$1"
+                read -r -a "${var_name?}" <<<"$1"
                 ;;
             # Common flags
             --enable-http \
@@ -508,7 +508,7 @@ nginx_update_app_configuration() {
             | --disable-https \
             )
                 var_name="$(echo "$1" | sed -e "s/^--//" -e "s/-/_/g")"
-                declare "${var_name}=yes"
+                declare "${var_name?}=yes"
                 ;;
             --server-name \
             | --http-port \
@@ -516,7 +516,7 @@ nginx_update_app_configuration() {
             )
                 var_name="$(echo "$1" | sed -e "s/^--//" -e "s/-/_/g")"
                 shift
-                declare "${var_name}=${1}"
+                declare "${var_name?}=${1}"
                 ;;
 
             *)