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docker image size improvement #36

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docker image size improvement #36

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14 changes: 6 additions & 8 deletions dovecot/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -28,14 +28,12 @@ RUN cp /aliases /etc/postfix/virtual \
RUN mkdir /etc/postfix/tmp \
&& awk < /etc/postfix/virtual '{ print $2 }' > /etc/postfix/tmp/virtual-receivers \
&& sed -r 's,(.+)@(.+),\2/\1/,' /etc/postfix/tmp/virtual-receivers > /etc/postfix/tmp/virtual-receiver-folders \
&& paste /etc/postfix/tmp/virtual-receivers /etc/postfix/tmp/virtual-receiver-folders > /etc/postfix/virtual-mailbox-maps

# map virtual aliases and user/filesystem mappings
RUN postmap /etc/postfix/virtual \
&& postmap /etc/postfix/virtual-mailbox-maps

# add user vmail who own all mail folders
RUN groupadd -g 5000 vmail \
&& paste /etc/postfix/tmp/virtual-receivers /etc/postfix/tmp/virtual-receiver-folders > /etc/postfix/virtual-mailbox-maps \
# map virtual aliases and user/filesystem mappings
postmap /etc/postfix/virtual \
&& postmap /etc/postfix/virtual-mailbox-maps \
# add user vmail who own all mail folders
groupadd -g 5000 vmail \
&& useradd -g vmail -u 5000 vmail -d /srv/vmail -m \
&& chown -R vmail:vmail /srv/vmail \
&& chmod u+w /srv/vmail
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