diff --git a/Dockerfile b/Dockerfile
index 1b328db1..eaaedd50 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -58,6 +58,7 @@ RUN set -ex; \
     apk add --update --no-cache \
     pwgen netcat-openbsd bash imagemagick curl acme.sh xz imagemagick file jpeg &&\
     echo "23       20      *       *       0       /autobackup" >> /etc/crontabs/root &&\
+    echo "23       43      *       *       *       /autobackup-s3" >> /etc/crontabs/root &&\
     echo "*/10     *       *       *       *       sleep \$((\`od -vAn -N2 -tu2 < /dev/urandom\` %300)) ; /update-cloudflare-dns.sh" >> /etc/crontabs/root &&\
     echo "0        0       *       *       0       sleep \$((\`od -vAn -N2 -tu2 < /dev/urandom\` %14400)) ; acme.sh --renew-all --config-home /app/server/files/certs/config" >> /etc/crontabs/root 
 COPY scripts/init-cloudflare.sh /app/
@@ -97,6 +98,6 @@ RUN ARCH=$(uname -m)\
         curl -L https://dl.min.io/client/mc/release/linux-arm/mc > /usr/local/bin/mc && chmod +x /usr/local/bin/mc;\
     fi
 COPY --chmod=755 scripts/init-from-s3.sh /app/init-from-s3.sh
-
+COPY --chmod=755 scripts/autobackup-s3 /autobackup-s3
 EXPOSE 3000 3003 3004
 ENTRYPOINT ["bash", "/app/docker-entrypoint.sh"]
diff --git a/scripts/autobackup-s3 b/scripts/autobackup-s3
new file mode 100755
index 00000000..8ee97d94
--- /dev/null
+++ b/scripts/autobackup-s3
@@ -0,0 +1,36 @@
+#!/bin/bash
+MYSQL_DATABASE=${MYSQL_DATABASE:-'mailtrain'}
+BACKUP_KEEP_DAYS=${BACKUP_KEEP_DAYS:-'90'}
+# test if variables S3_BUCKET, S3_ACCESS_KEY, S3_SECRET_KEY, S3_ENDPOINT, S3_REGION, S3_PATH are set
+if [ -z "${S3_BUCKET}" ] || [ -z "${S3_ACCESS_KEY}" ] || [ -z "${S3_SECRET_KEY}" ] || [ -z "${S3_ENDPOINT}" ] || [ -z "${S3_PATH}" ]; then
+    echo "S3_BUCKET, S3_ACCESS_KEY, S3_SECRET_KEY, S3_ENDPOINT, S3_REGION, S3_PATH are not set"
+    exit 1
+fi
+
+# test is mysql variables are set
+if [ -z "${MYSQL_HOST}" ] || [ -z "${MYSQL_ROOT_PASSWORD}" ]; then
+    echo "MYSQL_HOST and MYSQL_ROOT_PASSWORD must be set"
+    exit 1
+fi
+
+# test if mc is installed
+if [ -z "$(which mc)" ]; then
+    echo "mc is not installed"
+    exit 1
+fi
+
+#  Test if mc alias s3backup exists
+if [ -z "$(mc alias list | grep s3backup)" ]; then
+    echo "s3backup alias not found"
+    echo "create s3backup alias"
+    mc alias set s3backup ${S3_ENDPOINT} ${S3_ACCESS_KEY} ${S3_SECRET_KEY}
+fi
+
+NOW=$(date -I)
+/usr/bin/mysqldump -h $MYSQL_HOST --password="$MYSQL_ROOT_PASSWORD" --all-databases >/app/server/files/backup.sql
+tar -cv /app/server/files/backup.sql /app/server/files/campaign /app/server/files/certs /app/server/files/imports /app/server/files/reports /app/server/files/template /app/server/files/uploaded | xz -9 >/app/server/files/backup.tar.xz
+rm /app/server/files/backup.sql
+mc cp /app/server/files/backup.tar.xz s3backup/${S3_BUCKET}/${S3_PATH}/backup-${NOW}.tar.xz
+
+# Remove backups older than BACKUP_KEEP_DAYS days
+mc rm --recursive --force --older-than ${BACKUP_KEEP_DAYS}d s3backup/${S3_BUCKET}/${S3_PATH}