Gomplate + Debian 13

Dockerfile

@@ -1,6 +1,8 @@
-FROM eumau/debian:bookworm-slim
+FROM debian:trixie-slim
 LABEL maintainer "Mauro Torrez <mauro@mau.ro>"
 ARG DEBIAN_FRONTEND=noninteractive
+ARG TARGETARCH
+ARG GOMPLATE_VERSION=4.3.0
 ENV LC_ALL C
 
 ENV BIFF=no
@@ -73,6 +75,9 @@ RUN echo "_dev_null: /dev/null" > /etc/aliases \
 	ssl-cert \
 	ca-certificates \
 	bogofilter-sqlite \
+	curl \
+  && curl -o /usr/local/bin/gomplate -sSL "https://github.com/hairyhenderson/gomplate/releases/download/v${GOMPLATE_VERSION}/gomplate_linux-${TARGETARCH}" \
+  && chmod 755 /usr/local/bin/gomplate \
   && rm -rf /var/lib/apt/lists/* \
   && cp /usr/share/postfix/main.cf.debian /etc/postfix/main.cf \
   && mkdir -p /etc/postfix/rules \
@@ -110,10 +115,12 @@ RUN echo "_dev_null: /dev/null" > /etc/aliases \
      anvil/unix/chroot=n \
      scache/unix/chroot=n
 
-ADD confd /etc/confd/
-ADD postmap_all /usr/local/bin/
+COPY --chmod=0755 entrypoint.sh /usr/local/bin/
+COPY templates /etc/templates
+COPY postmap_all /usr/local/bin/
 
 VOLUME ["/ssl","/var/spool/postfix"]
 EXPOSE 25/tcp 587/tcp
 
+ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
 CMD ["postfix","start-fg"]