Update file Dockerfile

Dockerfile

@@ -3,11 +3,12 @@ FROM alpine:latest
 RUN apk add --update \
     borgbackup \
     openssh-client \
-    mysql-client \
     tzdata \
     && rm -rf /var/cache/apk/*
 
 RUN cp /usr/share/zoneinfo/Europe/Berlin /etc/localtime && \
     echo "Europe/Berlin" > /etc/timezone
 
-CMD tail -f /dev/null
\ No newline at end of file
+CMD tail -f /dev/null
+
+ENTRYPOINT ["borg"]
\ No newline at end of file