diff --git a/scripts/backup.sh b/scripts/backup.sh
index 2e1ee62..0060c3a 100644
--- a/scripts/backup.sh
+++ b/scripts/backup.sh
@@ -12,6 +12,8 @@ function backup_init() {
     BACKUP_FILE_DB_SQLITE="${BACKUP_DIR}/db.${NOW}.sqlite3"
     # backup vaultwarden database file (postgresql)
     BACKUP_FILE_DB_POSTGRESQL="${BACKUP_DIR}/db.${NOW}.dump"
+    # backup vaultwarden database file (mysql)
+    BACKUP_FILE_DB_MYSQL="${BACKUP_DIR}/db.${NOW}.sql"
     # backup vaultwarden config file
     BACKUP_FILE_CONFIG="${BACKUP_DIR}/config.${NOW}.json"
     # backup vaultwarden rsakey files
@@ -47,6 +49,19 @@ function backup_db_postgresql() {
     fi
 }
 
+function backup_db_mysql() {
+    color blue "backup vaultwarden mysql database"
+
+    mysqldump -h "${MYSQL_HOST}" -P "${MYSQL_PORT}" -u "${MYSQL_USERNAME}" -p"${MYSQL_PASSWORD}" "${MYSQL_DATABASE}" > "${BACKUP_FILE_DB_MYSQL}"
+    if [[ $? != 0 ]]; then
+        color red "backup vaultwarden postgresql database failed"
+
+        send_mail_content "FALSE" "Backup failed at $(date +"%Y-%m-%d %H:%M:%S %Z"). Reason: Backup postgresql database failed."
+
+        exit 1
+    fi
+}
+
 function backup_config() {
     color blue "backup vaultwarden config"
 
@@ -108,6 +123,7 @@ function backup() {
     case "${DB_TYPE}" in
         SQLITE)     backup_db_sqlite ;;
         POSTGRESQL) backup_db_postgresql ;;
+        MYSQL)      backup_db_mysql ;;
     esac
 
     backup_config
diff --git a/scripts/includes.sh b/scripts/includes.sh
index b6c222c..eeaef38 100644
--- a/scripts/includes.sh
+++ b/scripts/includes.sh
@@ -326,7 +326,9 @@ function init_env() {
     color yellow "DB_TYPE: ${DB_TYPE}"
 
     if [[ "${DB_TYPE}" == "POSTGRESQL" ]]; then
-        color yellow "DB_URL: ${PG_HOST}:${PG_PORT}:${PG_DBNAME}:${PG_USERNAME}:***(${#PG_PASSWORD} Chars)"
+        color yellow "DB_URL: postgresql://${PG_USERNAME}:***(${#PG_PASSWORD} Chars)@${PG_HOST}:${PG_PORT}/${PG_DBNAME}"
+    elif [[ "${DB_TYPE}" == "MYSQL" ]]; then
+        color yellow "DB_URL: mysql://${MYSQL_USERNAME}:***(${#MYSQL_PASSWORD} Chars)@${MYSQL_HOST}:${MYSQL_PORT}/${MYSQL_DATABASE}"
     else
         color yellow "DATA_DB: ${DATA_DB}"
     fi
@@ -414,6 +416,26 @@ function init_env_db() {
 
         # PG_PASSWORD
         get_env PG_PASSWORD
+    elif [[ "${DB_TYPE^^}" == "MYSQL" ]]; then # mysql
+        DB_TYPE="MYSQL"
+
+        # MYSQL_HOST
+        get_env MYSQL_HOST
+
+        # MYSQL_PORT
+        get_env MYSQL_PORT
+        MYSQL_PORT="${MYSQL_PORT:-"3306"}"
+
+        # MYSQL_DATABASE
+        get_env MYSQL_DATABASE
+        MYSQL_DATABASE="${MYSQL_DATABASE:-"vaultwarden"}"
+
+        # MYSQL_USERNAME
+        get_env MYSQL_USERNAME
+        MYSQL_USERNAME="${MYSQL_USERNAME:-"vaultwarden"}"
+
+        # MYSQL_PASSWORD
+        get_env MYSQL_PASSWORD
     else # sqlite
         DB_TYPE="SQLITE"
     fi