37 lines
755 B
Docker
37 lines
755 B
Docker
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FROM alpine:3.12.1
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ARG SSH_USER="hub"
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ARG UID="1001"
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ENV SSH_USER ${SSH_USER}
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# secrets:
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# - host_ssh_key
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# - authorized_keys
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USER root
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RUN apk update &&\
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apk upgrade &&\
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apk add openssh &&\
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mkdir /var/run/sshd &&\
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mkdir -p /etc/ssh &&\
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ln -s /run/secrets/host_ssh_key /etc/ssh/ssh_host_key &&\
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echo 'root:nonvisibleroot' | chpasswd &&\
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addgroup --gid $UID -S $SSH_USER &&\
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adduser \
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-S -G $SSH_USER \
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--uid $UID \
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--shell /bin/sh \
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--home /home/$SSH_USER \
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$SSH_USER &&\
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echo 'hub:nonvisiblehub' | chpasswd &&\
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mkdir "/home/$SSH_USER/.ssh" &&\
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chown "$SSH_USER" "/home/$SSH_USER/.ssh" &&\
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chmod 700 "/home/$SSH_USER/.ssh"
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COPY sshd_config /etc/ssh/sshd_config
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ADD start.sh /
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EXPOSE 22
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CMD ["sh", "/start.sh"]
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