ci script

.woodpecker.yml

@@ -0,0 +1,16 @@
+steps:
+  build:
+    image: plugins/kaniko
+    settings:
+      repo: ${FORGE_NAME}/${CI_REPO}
+      registry:
+        from_secret: container_registry
+      tags: latest,${CI_COMMIT_SHA},${CI_COMMIT_TAG}
+      username:
+        from_secret: container_registry_username
+      password:
+        from_secret: container_registry_password
+      dockerfile: Dockerfile
+    when:
+      - event: [push, tag]
+

Dockerfile

@@ -1,15 +1,33 @@
-FROM debian:latest
+FROM debian:bookworm
 
 LABEL Maintainer="Wolfgang Hottgenroth <woho@hottis.de>"
-LABEL ImageName="registry.gitlab.com/wolutator/exim-docker"
+LABEL ImageName=""
+
+# domain to be used in sender address of sent mails
+ENV LOCALMAILNAME=""
+# smarthost to send mail to
+ENV SMARTHOST=""
+# recipient addresses for root aliases, separate multiple addresses by space
+ENV ROOT=""
+# ip addresses or networks to allow for relaying, separate multiple ones by semicolon
+ENV RELAYNETS=""
 
 RUN \
   apt update && \
-  apt install -y exim4 && \ 
+  apt upgrade -y --autoremove && \
+  apt install -y exim4-daemon-light ca-certificates curl && \ 
   rm -rf /var/lib/apt/lists/*
 
-VOLUME /etc/exim4
+COPY update-exim4.conf.tmpl /etc/exim4/
+COPY aliases.tmpl /etc/exim4/
+COPY adjust-config.sh /etc/exim4/
+COPY start.sh /etc/exim4/
 
+WORKDIR /etc/exim4
+
+EXPOSE 25
+
+CMD [ "./start.sh" ]
 
  
 

adjust-config.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+cat update-exim4.conf.tmpl \
+  | sed -e 's/%HOSTNAME%/'$HOSTNAME'/' \
+        -e 's#%RELAYNETS%#'$RELAYNETS'#' \
+        -e 's/%LOCALMAILNAME%/'$LOCALMAILNAME'/' \
+        -e 's/%SMARTHOST%/'$SMARTHOST'/' \
+  > update-exim4.conf.conf 
+cat aliases.tmpl \
+  | sed -e 's/%ROOT%/'"$ROOT"'/' \
+  > ../aliases && \
+newaliases
+
+/usr/sbin/update-exim4.conf -v
+

aliases.tmpl

@@ -0,0 +1,14 @@
+mailer-daemon: postmaster
+postmaster: root
+nobody: root
+hostmaster: root
+usenet: root
+news: root
+webmaster: root
+www: root
+ftp: root
+abuse: root
+noc: root
+security: root
+root: %ROOT%
+

start.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+./adjust-config.sh
+exim -bd -q15m -v
+

update-exim4.conf.tmpl

@@ -0,0 +1,14 @@
+dc_eximconfig_configtype='satellite'
+dc_other_hostnames='%HOSTNAME%'
+dc_local_interfaces='0.0.0.0'
+dc_readhost='%LOCALMAILNAME%'
+dc_relay_domains=''
+dc_minimaldns='false'
+dc_relay_nets='%RELAYNETS%'
+dc_smarthost='%SMARTHOST%'
+CFILEMODE='644'
+dc_use_split_config='false'
+dc_hide_mailname='true'
+dc_mailname_in_oh='true'
+dc_localdelivery='mail_spool'
+