Multi-arch container build

Author: technicalguru

Dockerfile

@@ -4,18 +4,13 @@ LABEL maintainer="Ralph Schuster <github@ralph-schuster.eu>"
 RUN echo "postfix postfix/mailname string mail.example.com" | debconf-set-selections
 RUN echo "postfix postfix/main_mailer_type string 'Internet Site'" | debconf-set-selections
 
-ENV PF_VERSION="3.7.11"
-ENV PF_REVISION="0"
-ENV PF_PACKAGE="3.7.11-0+deb12u1"
-RUN export DEBIAN_FRONTEND=noninteractive \
-    && PF_VERSION=${PF_PACKAGE} \
-    && apt-get update \
+RUN apt-get update \
     && apt-get install -y --no-install-recommends \
     default-mysql-client \
     apt-utils \
     procps \
-    postfix=${PF_VERSION} \
-    postfix-mysql=${PF_VERSION} \
+    postfix \
+    postfix-mysql \
     dovecot-core \
     dovecot-imapd \
     dovecot-pop3d \
@@ -78,8 +73,6 @@ RUN chmod 755 /usr/local/mailserver/*.sh \
 ARG ARG_CREATED
 ARG ARG_URL=https://github.com/technicalguru/docker-mailserver-postfix
 ARG ARG_SOURCE=https://github.com/technicalguru/docker-mailserver-postfix
-ARG ARG_VERSION="${PF_VERSION}.${PF_REVISION}"
-ARG ARG_REVISION="${PF_REVISION}"
 ARG ARG_VENDOR=technicalguru
 ARG ARG_TITLE=technicalguru/mailserver-postfix
 ARG ARG_DESCRIPTION="Provides Postfix/Dovecot MTA/MDA based on Debian with MySQL backend"
@@ -90,8 +83,6 @@ ARG ARG_LICENSES=GPL-3.0-or-later
 LABEL org.opencontainers.image.created=$ARG_CREATED
 LABEL org.opencontainers.image.url=$ARG_URL
 LABEL org.opencontainers.image.source=$ARG_SOURCE
-LABEL org.opencontainers.image.version=$ARG_VERSION
-LABEL org.opencontainers.image.revision=$ARG_REVISION
 LABEL org.opencontainers.image.vendor=$ARG_VENDOR
 LABEL org.opencontainers.image.title=$ARG_TITLE
 LABEL org.opencontainers.image.description=$ARG_DESCRIPTION
@@ -120,3 +111,7 @@ EXPOSE 10025
 #CMD ["/usr/local/mailserver/loop.sh"]
 CMD ["/usr/local/mailserver/entrypoint.sh"]
 
+RUN echo "Postfix version: $(postconf -d mail_version)" \
+    && echo "Dovecot version: $(dovecot --version)"
+
+

README.md

@@ -14,7 +14,7 @@ Related images:
 # Tags
 The following versions are available from DockerHub. The image tag matches the Postfix version.
 
-* [3.7.11.2, 3.7.11, 3.7, 3, latest](https://github.com/technicalguru/docker-mailserver-postfix/tree/v3.7.11.2) - [Dockerfile](https://github.com/technicalguru/docker-mailserver-postfix/blob/3.7.11.2/Dockerfile)
+* [3.7.11.3, 3.7.11, 3.7, 3, latest](https://github.com/technicalguru/docker-mailserver-postfix/tree/v3.7.11.3) - [Dockerfile](https://github.com/technicalguru/docker-mailserver-postfix/blob/3.7.11.3/Dockerfile)
 * [3.5.18.0, 3.5.18, 3.5](https://github.com/technicalguru/docker-mailserver-postfix/tree/v3.5.18.0) - [Dockerfile](https://github.com/technicalguru/docker-mailserver-postfix/blob/3.5.18.0/Dockerfile)
 * [3.4.14.0, 3.4.14, 3.4](https://github.com/technicalguru/docker-mailserver-postfix/tree/v3.4.14.0) - [Dockerfile](https://github.com/technicalguru/docker-mailserver-postfix/blob/3.4.14.0/Dockerfile)
 

build.sh

@@ -1 +1,11 @@
-docker build --progress=plain -t technicalguru/mailserver-postfix:latest .
+docker buildx build \
+     --progress=plain \
+     -t technicalguru/mailserver-postfix:latest \
+     -t technicalguru/mailserver-postfix:3.7.11.3 \
+     -t technicalguru/mailserver-postfix:3.7.11 \
+     -t technicalguru/mailserver-postfix:3.7 \
+     -t technicalguru/mailserver-postfix:3 \
+     --push \
+     --platform linux/amd64,linux/arm64 \
+
+#docker build --progress=plain -t technicalguru/mailserver-postfix:latest .