LIBCIR-457. Add script to prepare and run postfix.

Dockerfile

@@ -90,8 +90,9 @@ RUN apt-get update && \
         libconfig-properties-perl \
         vim \
         python3-lxml && \
-    mkfifo /var/spool/postfix/public/pickup && \
     ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+
+COPY dspace/src/main/docker/cron/postfix.sh /usr/local/bin/postfix.sh
 # End UMD Customization
 # On startup, run DSpace Runnable JAR
 ENTRYPOINT ["java", "-jar", "webapps/server-boot.jar", "--dspace.dir=$DSPACE_INSTALL"]

dspace/src/main/docker/cron/postfix.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# The contents of this file are subject to the license and copyright
+# detailed in the LICENSE and NOTICE files at the root of the source
+# tree and available online at
+#
+# http://www.dspace.org/license/
+#
+
+# Prepare Postfix directories and start Postfix
+mkdir -p /var/spool/postfix/etc
+cp /etc/resolv.conf /var/spool/postfix/etc/
+cp /etc/nsswitch.conf /var/spool/postfix/etc/
+cp /etc/hosts /var/spool/postfix/etc/
+chown -R postfix:postfix /var/lib/postfix/
+chmod 755 /var/spool/postfix/ /var/lib/postfix/
+postfix start