Move to Alpine 3.17, move to Postfix 3.7.4

.drone.yml

@@ -0,0 +1,40 @@
+kind: pipeline
+type: docker
+name: build-multiarch-images
+
+platform:
+  os: linux
+  arch: amd64
+
+steps:
+- name: make-tags
+  image: node
+  commands:
+    - echo -n "${DRONE_COMMIT_SHA:0:10}, latest" > .tags
+
+- name: build  
+  image: thegeeklab/drone-docker-buildx
+  privileged: true
+  settings:
+    registry: git.mrmeeb.stream
+    username: 
+      from_secret: docker_username
+    password: 
+      from_secret: docker_password
+    repo: git.mrmeeb.stream/mrmeeb/postfix
+    platforms:
+      - linux/arm64
+      - linux/amd64
+
+- name: notify
+  image: plugins/slack
+  settings:
+    webhook: 
+      from_secret: slack_webhook
+
+trigger:
+  branch:
+    - master
+  event:
+    exclude:
+    - pull_request

Dockerfile

@@ -0,0 +1,21 @@
+FROM alpine:3.17
+
+RUN apk update && \
+    apk add bash gawk cyrus-sasl cyrus-sasl-login cyrus-sasl-crammd5 mailx \
+    postfix postfix-pgsql && \
+    rm -rf /var/cache/apk/* && \
+    mkdir -p /var/log/supervisor/ /var/run/supervisor/ && \
+    touch /etc/postfix/pgsql-relay-domains.cf && \
+    touch /etc/postfix/pgsql-transport-maps.cf && \
+    echo 'maillog_file = /dev/stdout' >> /etc/postfix/main.cf && \
+    sed -i -e 's/inet_interfaces = localhost/inet_interfaces = all/g' /etc/postfix/main.cf
+
+RUN mkdir /config
+
+COPY run.sh /
+RUN chmod +x /run.sh
+RUN newaliases
+
+EXPOSE 25
+#ENTRYPOINT ["/run.sh"]
+CMD ["/run.sh"]

README.md

@@ -1,3 +1,5 @@
 # Postfix Docker
 
+[![Build Status](https://drone.mrmeeb.stream/api/badges/MrMeeb/postfix-docker/status.svg)](https://drone.mrmeeb.stream/MrMeeb/postfix-docker)
+
 Dockerised Postfix for fully-dockerised SimpleLogin deployment

run.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+[ "${DEBUG}" == "yes" ] && set -x
+
+function add_config_value() {
+  local key=${1}
+  local value=${2}
+  # local config_file=${3:-/etc/postfix/main.cf}
+  [ "${key}" == "" ] && echo "ERROR: No key set !!" && exit 1
+  [ "${value}" == "" ] && echo "ERROR: No value set !!" && exit 1
+
+  echo "Setting configuration option ${key} with value: ${value}"
+ postconf -e "${key} = ${value}"
+}
+
+#Copy files into config dir
+
+#Move missing files from Postfix to /config
+mv -n /etc/postfix/main.cf /config/main.cf
+mv -n /etc/postfix/master.cf /config/master.cf
+mv -n /etc/postfix/pgsql-relay-domains.cf /config/pgsql-relay-domains.cf
+mv -n /etc/postfix/pgsql-transport-maps.cf /config/pgsql-transport-maps.cf
+
+#Delete files from Postfix
+rm /etc/postfix/main.cf
+rm /etc/postfix/master.cf
+rm /etc/postfix/pgsql-relay-domains.cf
+rm /etc/postfix/pgsql-transport-maps.cf
+
+#Link files into Postfix
+ln -s /config/main.cf /etc/postfix/main.cf
+ln -s /config/pgsql-relay-domains.cf /etc/postfix/pgsql-relay-domains.cf
+ln -s /config/pgsql-transport-maps.cf /etc/postfix/pgsql-transport-maps.cf
+ln -s /config/master.cf /etc/postfix/master.cf
+
+#Open permissions
+chmod -R 777 /config
+
+#Start services
+
+# If host mounting /var/spool/postfix, we need to delete old pid file before
+# starting services
+rm -f /var/spool/postfix/pid/master.pid
+
+exec /usr/sbin/postfix -c /etc/postfix start-fg