postfix: Update to version 3.7.6, move to Quadlet

service/postfix/Containerfile

@@ -1,5 +1,5 @@
-FROM docker.io/debian:bullseye-slim
+FROM docker.io/debian:bookworm-slim
-ARG VERSION=3.5.13
+ARG VERSION=3.7.6
 
 RUN apt-get update -y && apt-get install -y --no-install-recommends \
     postfix=${VERSION}* postfix-mysql=${VERSION}* syslog-ng-core gettext ca-certificates

service/postfix/container/config/main.cf.template

@@ -2,8 +2,8 @@
 # Main configuration file for Postfix.
 #
 
-# Version 2 is current for Postfix > 3.2 configuration.
+# Version 6 is current for Postfix > 3.6 configuration.
-compatibility_level = 2
+compatibility_level = 3.6
 
 # Log to standard output.
 maillog_file = /dev/stdout

service/postfix/quadlet/postfix.container

@@ -0,0 +1,22 @@
+[Unit]
+Description=Postfix SMTP server
+Wants=container-build@%N.service dovecot.service
+After=container-build@%N.service dovecot.service
+
+[Container]
+ContainerName=%N
+EnvironmentFile=%E/coreos-home-server/%N/%N.env
+Image=localhost/%N:latest
+PublishPort=25:25
+PublishPort=465:465
+PublishPort=587:587
+Network=internal
+Volume=dovecot:/var/mail:z
+Volume=letsencrypt:/etc/ssl/private:z,ro
+
+[Service]
+ExecReload=/bin/podman exec %N postfix reload
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target

service/postfix/spec.bu

@@ -4,9 +4,5 @@ storage:
   trees:
     - path: /etc/coreos-home-server/postfix
       local: service/postfix/
-    - path: /etc/systemd/system
+    - path: /etc/containers/systemd
-      local: service/postfix/systemd/
+      local: service/postfix/quadlet/
-systemd:
-  units:
-    - name: postfix.service
-      enabled: true

service/postfix/systemd/postfix.service

@@ -1,23 +0,0 @@
-[Unit]
-Description=Postfix SMTP server
-Wants=container-build@%N.service dovecot.service
-After=container-build@%N.service dovecot.service
-
-[Service]
-Type=notify
-NotifyAccess=all
-SyslogIdentifier=%N
-Restart=on-failure
-Environment=PODMAN_SYSTEMD_UNIT=%n
-ExecStart=/bin/podman run --replace --name %N --net internal --sdnotify=conmon \
-                          --env-file %E/coreos-home-server/%N/%N.env \
-                          --publish 25:25 --publish 465:465 --publish 587:587 \
-                          --volume dovecot:/var/mail:z \
-                          --volume letsencrypt:/etc/ssl/private:z \
-                          localhost/%N:latest
-ExecStop=/bin/podman stop --ignore --time 10 %N
-ExecStopPost=/bin/podman rm --ignore --force %N
-ExecReload=/bin/podman exec %N %N reload
-
-[Install]
-WantedBy=multi-user.target