added memcached container

containers/zammad-memcached/Dockerfile

@@ -0,0 +1,21 @@
+FROM memcached:alpine
+MAINTAINER Zanmmad <info@zammad.org>
+
+ENV MEMCACHED_SIZE 256M
+
+LABEL org.label-schema.build-date="$BUILD_DATE" \
+      org.label-schema.name="Zammad" \
+      org.label-schema.license="AGPL-3.0" \
+      org.label-schema.description="Docker container for Zammad - Memcached Container" \
+      org.label-schema.url="https://zammad.org" \
+      org.label-schema.vcs-url="https://github.com/zammad/zammad" \
+      org.label-schema.vcs-type="Git" \
+      org.label-schema.vendor="Zammad" \
+      org.label-schema.schema-version="1.2" \
+      org.label-schema.docker.cmd="sysctl -w vm.max_map_count=262144;docker-compose up"
+
+# docker init
+COPY containers/zammad-memcached/docker-entrypoint.sh /
+RUN chmod +x /docker-entrypoint.sh
+ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["zammad-memcached"]

containers/zammad-memcached/docker-entrypoint.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+set -e
+
+if [ "$1" = 'zammad-memcached' ]; then
+  exec memcached -m ${MEMCACHED_SIZE}
+fi

hooks/config

@@ -3,4 +3,4 @@
 # build hooks config
 #
 
-DOCKER_IMAGES="zammad zammad-elasticsearch zammad-nfs zammad-nginx zammad-postgresql"
+DOCKER_IMAGES="zammad zammad-elasticsearch zammad-memcached zammad-nfs zammad-nginx zammad-postgresql"