diff --git a/container/mysql/mysql-init.sh b/container/mysql/mysql-init.sh
index 51455e3..4b54919 100755
--- a/container/mysql/mysql-init.sh
+++ b/container/mysql/mysql-init.sh
@@ -1,46 +1,146 @@
 #!/bin/bash
 set -eo pipefail
 
-# Get config
+# logging functions
+mariadb_log() {
+  local type="$1"; shift
+  printf '%s [%s] [Entrypoint]: %s\n' "$(date --rfc-3339=seconds)" "$type" "$*"
+}
+mariadb_note() {
+  mariadb_log Note "$@"
+}
+mariadb_warn() {
+  mariadb_log Warn "$@" >&2
+}
+mariadb_error() {
+  mariadb_log ERROR "$@" >&2
+  exit 1
+}
 
+mariadb_do_upgrade() {
+  mariadb_note "[Perform Mariadb System Table Upgrade]"
+  mariadb_note "Waiting temporary process start up ..."
+  mysqld \
+    --skip-networking \
+    --wsrep_on=OFF \
+    --expire-logs-days=0 \
+    --loose-innodb_buffer_pool_load_at_startup=0 \
+    --basedir=/usr \
+    --datadir=/var/lib/mysql \
+    --plugin-dir=/usr/lib/mysql/plugin \
+    --user=mysql \
+    --log-error=/var/www/html/log/mysql.log &
+  MARIADB_PID=$!
+
+  for i in {30..0}; do
+    if mysql -uroot -p$INIT_PASSWD --database=mysql <<<'SELECT 1' &> /dev/null; then
+      break
+    fi
+    sleep 1
+  done
+  mariadb_note "Temporary process started."
+  mariadb_backup_system_table
+
+  mariadb_note "Upgrading system tables ..."
+  mysql_upgrade -uroot -p$INIT_PASSWD --upgrade-system-tables
+  mariadb_note "Upgrading completed."
+  kill "$MARIADB_PID"
+  wait "$MARIADB_PID"
+}
+
+mariadb_backup_system_table() {
+  mariadb_note "[Perform Mariadb System Table Backup]"
+  local oldfullversion="unknown_version"
+  local backup_db="system_mysql_backup_unknown_version.sql.gz"
+
+  if [ -r /var/lib/mysql/mysql_upgrade_info ]; then
+    read -r -d '' oldfullversion < /var/lib/mysql/mysql_upgrade_info || true
+    if [ -n "$oldfullversion" ]; then
+      backup_db="system_mysql_backup_${oldfullversion}.sql.gz"
+    fi
+  fi
+
+  mariadb_note "Backing up system database to $backup_db ..."
+  if ! mysqldump --skip-lock-tables --replace --databases mysql -uroot -p$INIT_PASSWD mysql | gzip -9 > /var/lib/mysql/${backup_db}; then
+    mariadb_error "Unable backup system database for upgrade from $oldfullversion."
+  fi
+  mariadb_note "Backup completed."
+}
+
+mariadb_version() {
+  local maria_version="$(mariadb --version | awk '{ print $5 }')"
+  maria_version="${maria_version%%[-+~]*}"
+  echo -n "${maria_version}-MariaDB"
+}
+
+mariadb_upgrade_is_needed() {
+  # 0 is true, 1 is false
+  if [ ! -d "/var/lib/mysql/mysql" ]; then
+    return 1
+  fi
+
+  MARIADB_VERSION=$(mariadb_version)
+  if [ ! -f /var/lib/mysql/mysql_upgrade_info ]; then
+    mariadb_note "MariaDB upgrade information missing, trying to upgrade system table to ${MARIADB_VERSION} anyway."
+    return 0
+  fi
+
+  IFS='.-' read -ra new_version <<< $MARIADB_VERSION
+  IFS='.-' read -ra old_version < /var/lib/mysql/mysql_upgrade_info || true
+  if [[ ${#new_version[@]} -lt 2 ]] || [[ ${#old_version[@]} -lt 2 ]] \
+    || [[ ${old_version[0]} -lt ${new_version[0]} ]] \
+    || [[ ${old_version[0]} -eq ${new_version[0]} && ${old_version[1]} -lt ${new_version[1]} ]]; then
+    mariadb_note "MariaDB upgrade may required from ${old_version[0]}.${old_version[1]} to ${new_version[0]}.${new_version[1]}"
+    return 0
+  fi
+
+  mariadb_note "MariaDB upgrade not required. Old version: ${old_version[0]}.${old_version[1]}, New version: ${new_version[0]}.${new_version[1]}"
+  return 1
+}
+
+# Config log and run
 if [ ! -d "/var/run/mysqld" ]; then
   mkdir -p /var/run/mysqld
   chown mysql:mysql /var/run/mysqld
   echo "" > /var/www/html/log/mysql.log
   chown mysql:mysql /var/www/html/log/mysql.log
 fi
+
 if [ ! -d "/var/lib/mysql/mysql" ]; then
   mkdir -p /var/lib/mysql
 
-  echo 'Initializing database'
+  mariadb_note 'Initializing database..'
   mysql_install_db --datadir="/var/lib/mysql"
-  echo 'Database initialized'
+  mariadb_note 'Database initialized'
 
   "mysqld" --skip-networking &
   pid="$!"
 
   mysql=( mysql --protocol=socket -uroot )
 
+  mariadb_note 'MariaDB init process in progress...'
   for i in {30..0}; do
     if echo 'SELECT 1' | "${mysql[@]}" &> /dev/null; then
       break
     fi
-    echo 'MySQL init process in progress...'
     sleep 1
   done
   if [ "$i" = 0 ]; then
-    echo >&2 'MySQL init process failed.'
-    exit 1
+    mariadb_error 'MariaDB init process failed.'
   fi
 
   if ! kill -s TERM "$pid" || ! wait "$pid"; then
-    echo >&2 'MySQL init process failed.'
-    exit 1
+    mariadb_error 'MariaDB init process failed.'
   fi
 
   echo
-  echo 'MySQL init process done. Ready for start up.'
+  mariadb_note 'MariaDB init process done. Ready for start up.'
   echo
+elif mariadb_upgrade_is_needed; then
+  mariadb_do_upgrade
+else
+  mariadb_note 'MariaDB ready for start up'
 fi
 
+mariadb_note 'Perform MariadB process start using libtcmalloc_minimal ...'
 exec env LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libtcmalloc_minimal.so.4 "mysqld" --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib/mysql/plugin --user=mysql --log-error=/var/www/html/log/mysql.log
diff --git a/container/supervisord/supervisord.conf b/container/supervisord/supervisord.conf
index aa41423..69c79a2 100644
--- a/container/supervisord/supervisord.conf
+++ b/container/supervisord/supervisord.conf
@@ -17,7 +17,7 @@ autorestart=true
 priority=10
 
 [program:php-fpm]
-command=/usr/sbin/php-fpm7.4 -c /etc/php/7.4/fpm
+command=/usr/sbin/php-fpm8.1 -c /etc/php/8.1/fpm
 autostart=true
 autorestart=true
 exitcodes=0,2,70