feat: add mariadb-backup

Dockerfile

@@ -6,8 +6,9 @@ RUN apk upgrade --no-cache  \
     && apk add --no-cache \
            groff aws-cli openssl-dev \
            bash bash-completion ncurses \
+	       mongodb-tools mariadb-backup \
            tini jq git vim curl ca-certificates \
-           tcpdump bind-tools redis py3-setuptools mongodb-tools py3-pip \
+           tcpdump bind-tools redis py3-setuptools \
     && apk add --no-cache --repository=http://dl-cdn.alpinelinux.org/alpine/edge/community \
            pixz \
     && curl -fsSL https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl \