|  | @@ -10,8 +10,7 @@ COPY ssh_config /etc/ssh/ssh_config
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				|  |  |  RUN chmod a=r /etc/ssh/ssh_config
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				|  |  |  
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				|  |  |  RUN adduser -S tunnel
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				|  |  | -COPY known_hosts /home/tunnel/.ssh/known_hosts
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				|  |  | -RUN chown tunnel /home/tunnel/.ssh/known_hosts
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				|  |  | +COPY --chown=tunnel:nogroup known_hosts /home/tunnel/.ssh/known_hosts
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				|  |  |  USER tunnel
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				|  |  |  
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				|  |  |  ENV BIND_ADDRESS bind-address
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