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Persist Postfix queue and ship self-contained full backups.

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Move the mail queue under /data so recreate no longer drops deferred mail, and archive data/, compose, .env, and certs/ together for restore on a fresh host.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Микс
2026-08-17 14:36:55 +03:00
parent c6a75ce775
commit 41c3e6e896
23 changed files with 408 additions and 170 deletions
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build/entrypoint.sh
+13 -6
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@@ -69,7 +69,7 @@ chmod 755 /data
# later phase deliberately hands to another service. /data/log is exempt: it is
# deliberately owned by postfix (postlogd writes the delivery log there) and is
# normalised on its own below.
find /data -mindepth 1 -maxdepth 1 ! -user panel ! -name log -exec chown -R panel:panel {} +
find /data -mindepth 1 -maxdepth 1 ! -user panel ! -name log ! -name postfix -exec chown -R panel:panel {} +
# DKIM key tree (spec 6, 9). The panel (user `panel`) generates keys and writes
# the OpenDKIM tables; OpenDKIM (user `opendkim`) must read them. Normalise the
@@ -99,13 +99,13 @@ chown -R panel:selfpost /data/sasl
chmod 2750 /data/sasl
[ -e /data/sasl/sasldb2 ] && chmod 0640 /data/sasl/sasldb2
# Postfix sender_login_maps (spec 5.1). The panel writes it; Postfix reads it.
# Ensure the file exists (empty is fine) before Postfix starts so a reload that
# references it never fails on a missing file, and keep it group-readable.
mkdir -p /data/postfix
# Postfix state under /data (spec 5.1, architecture.md § Persistence). The panel
# writes sender_login_maps; Postfix owns the on-disk queue tree under queue/.
mkdir -p /data/postfix/queue
[ -e /data/postfix/sender_login_maps ] || : > /data/postfix/sender_login_maps
chown -R panel:selfpost /data/postfix
chown panel:selfpost /data/postfix
chmod 2750 /data/postfix
chown panel:selfpost /data/postfix/sender_login_maps
chmod 0640 /data/postfix/sender_login_maps
# Delivery log (architecture.md § Log tailer). postlogd writes it as user
@@ -144,4 +144,11 @@ chmod 2750 /run/opendkim /run/selfpost
# start the same way the /data normalisation above is.
/usr/local/bin/postfix-config.sh
# Initialise the persistent queue tree on first start or after restore. postfix
# set-permissions reads queue_directory from main.cf (set by postfix-config.sh).
if [ ! -d /data/postfix/queue/active ]; then
postfix set-permissions
fi
chown -R postfix:postfix /data/postfix/queue
exec /usr/bin/supervisord -c /etc/supervisor/supervisord.conf