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@@ -3,26 +3,27 @@ FROM alpine:3.13.4
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ARG MARIADB_CLIENT_PACKAGE_VERSION=10.5.8-r0
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ARG OPENSSH_PACKAGE_VERSION=8.4_p1-r3
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ARG TINI_PACKAGE_VERSION=0.19.0-r0
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+ARG USER=dump
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+ENV SSHD_HOST_KEYS_DIR=/etc/ssh/host_keys
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RUN apk add --no-cache \
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mariadb-client=$MARIADB_CLIENT_PACKAGE_VERSION \
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openssh-server=$OPENSSH_PACKAGE_VERSION \
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tini=$TINI_PACKAGE_VERSION \
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- && adduser -S dump
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+ && adduser -S "$USER" \
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+ && mkdir "$SSHD_HOST_KEYS_DIR" \
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+ && chown -c "$USER" "$SSHD_HOST_KEYS_DIR"
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+VOLUME $SSHD_HOST_KEYS_DIR
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# RUN apk add --no-cache man openssh-doc=$OPENSSH_PACKAGE_VERSION
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COPY entrypoint.sh /
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ENTRYPOINT ["/sbin/tini", "--", "/entrypoint.sh"]
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COPY sshd_config /etc/ssh/sshd_config
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-ENV SSHD_HOST_KEYS_DIR /etc/ssh/host_keys
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+EXPOSE 2200/tcp
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ENV MYSQLDUMP_ARGS --help
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RUN chmod a=rx /entrypoint.sh \
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&& chmod a=r /etc/ssh/sshd_config \
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- && sed -i 's#^\(dump:.*\):/sbin/nologin$#\1:/tmp/mysqldump.sh#' /etc/passwd \
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- && mkdir $SSHD_HOST_KEYS_DIR \
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- && chown dump $SSHD_HOST_KEYS_DIR
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-VOLUME $SSHD_HOST_KEYS_DIR
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+ && sed -i 's#^\(dump:.*\):/sbin/nologin$#\1:/tmp/mysqldump.sh#' /etc/passwd
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-USER dump
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-EXPOSE 2200/tcp
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+USER $USER
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CMD ["/usr/sbin/sshd", "-D", "-e"]
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