ci script

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" ]