diff --git a/bitnami/postgresql/12/debian-10/Dockerfile b/bitnami/postgresql/12/debian-10/Dockerfile
index ac6cf977a888..ca16d6375cbd 100644
--- a/bitnami/postgresql/12/debian-10/Dockerfile
+++ b/bitnami/postgresql/12/debian-10/Dockerfile
@@ -22,7 +22,7 @@ RUN echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen && locale-gen
 COPY rootfs /
 RUN /opt/bitnami/scripts/postgresql/postunpack.sh
 ENV BITNAMI_APP_NAME="postgresql" \
-    BITNAMI_IMAGE_VERSION="12.3.0-debian-10-r54" \
+    BITNAMI_IMAGE_VERSION="12.3.0-debian-10-r55" \
     LANG="en_US.UTF-8" \
     LANGUAGE="en_US:en" \
     NSS_WRAPPER_LIB="/opt/bitnami/common/lib/libnss_wrapper.so" \
diff --git a/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/scripts/libpersistence.sh b/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/scripts/libpersistence.sh
index 6e42c882dbff..452c1f4b2831 100644
--- a/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/scripts/libpersistence.sh
+++ b/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/scripts/libpersistence.sh
@@ -46,8 +46,9 @@ persist_app() {
         file_to_persist_relative="$(relativize "$file_to_persist" "$install_dir")"
         file_to_persist_destination="${persist_dir}/${file_to_persist_relative}"
         file_to_persist_destination_folder="$(dirname "$file_to_persist_destination")"
-        # Get original permissions (except for the root directory, to avoid issues with volumes)
-        find "$file_to_persist_relative" | grep -E -v '^\.$' | xargs getfacl -R > "$tmp_file"
+        # Get original permissions for existing files, which will be applied later
+        # Exclude the root directory with 'sed', to avoid issues when copying the entirety of it to a volume
+        getfacl -R "$file_to_persist_relative" | sed -E '/# file: (\..+|[^.])/,$!d' > "$tmp_file"
         # Copy directories to the volume
         ensure_dir_exists "$file_to_persist_destination_folder"
         cp -Lr --preserve=links "$file_to_persist_relative" "$file_to_persist_destination_folder"
@@ -62,6 +63,7 @@ persist_app() {
         popd >/dev/null
     done
     popd >/dev/null
+    rm -f "$tmp_file"
     # Install the persisted files into the installation directory, via symlinks
     restore_persisted_app "$@"
 }
diff --git a/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/scripts/libservice.sh b/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/scripts/libservice.sh
index cd68366f90ac..0fa91f65fc4f 100644
--- a/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/scripts/libservice.sh
+++ b/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/scripts/libservice.sh
@@ -68,6 +68,64 @@ stop_service_using_pid() {
     done
 }
 
+########################
+# Start cron daemon
+# Arguments:
+#   None
+# Returns:
+#   true if started correctly, false otherwise
+#########################
+cron_start() {
+    if [[ -x "/usr/sbin/cron" ]]; then
+        /usr/sbin/cron
+    elif [[ -x "/usr/sbin/crond" ]]; then
+        /usr/sbin/crond
+    else
+        false
+    fi
+}
+
+########################
+# Generate a cron configuration file for a given service
+# Arguments:
+#   $1 - Service name
+#   $2 - Command
+# Flags:
+#   --run-as - User to run as (default: root)
+#   --schedule - Cron schedule configuration (default: * * * * *)
+# Returns:
+#   None
+#########################
+generate_cron_conf() {
+    local service_name="${1:?service name is missing}"
+    local cmd="${2:?command is missing}"
+    local run_as="root"
+    local schedule="* * * * *"
+
+    # Parse optional CLI flags
+    shift 2
+    while [[ "$#" -gt 0 ]]; do
+        case "$1" in
+            --run-as)
+                shift
+                run_as="$1"
+                ;;
+            --schedule)
+                shift
+                schedule="$1"
+                ;;
+            *)
+                echo "Invalid command line flag ${1}" >&2
+                return 1
+                ;;
+        esac
+        shift
+    done
+
+    mkdir -p /etc/cron.d
+    echo "${schedule} ${run_as} ${cmd}" > /etc/cron.d/"$service_name"
+}
+
 ########################
 # Generate a monit configuration file for a given service
 # Arguments:
diff --git a/bitnami/postgresql/README.md b/bitnami/postgresql/README.md
index 7d635619cd68..f61c12cd926f 100644
--- a/bitnami/postgresql/README.md
+++ b/bitnami/postgresql/README.md
@@ -42,7 +42,7 @@ Non-root container images add an extra layer of security and are generally recom
 Learn more about the Bitnami tagging policy and the difference between rolling tags and immutable tags [in our documentation page](https://docs.bitnami.com/tutorials/understand-rolling-tags-containers/).
 
 
-* [`12-debian-10`, `12.3.0-debian-10-r54`, `12`, `12.3.0` (12/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/12.3.0-debian-10-r54/12/debian-10/Dockerfile)
+* [`12-debian-10`, `12.3.0-debian-10-r55`, `12`, `12.3.0` (12/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/12.3.0-debian-10-r55/12/debian-10/Dockerfile)
 * [`11-debian-10`, `11.8.0-debian-10-r59`, `11`, `11.8.0`, `latest` (11/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/11.8.0-debian-10-r59/11/debian-10/Dockerfile)
 * [`10-debian-10`, `10.13.0-debian-10-r55`, `10`, `10.13.0` (10/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/10.13.0-debian-10-r55/10/debian-10/Dockerfile)
 * [`9.6-debian-10`, `9.6.18-debian-10-r57`, `9.6`, `9.6.18` (9.6/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/9.6.18-debian-10-r57/9.6/debian-10/Dockerfile)