Feature/spamassassin alpine (#25)

spamassassin:
- Switched from Debian to Alpine
- Simplified start up and configuration

Author: jeboehm

Makefile

@@ -37,3 +37,4 @@ logs:
 	$(compose-production) logs mda
 	$(compose-production) logs web
 	$(compose-production) logs db
+	$(compose-production) logs spamassassin

docker-compose.yml

@@ -33,11 +33,13 @@ services:
     build: ./web
     restart: on-failure:5
     env_file: .env
+    mem_limit: 128M
 
   spamassassin:
     image: jeboehm/mailserver-spamassassin:latest
     build: ./spamassassin
     restart: on-failure:5
+    mem_limit: 192M
 
 volumes:
   data-db:

spamassassin/Dockerfile

@@ -1,19 +1,50 @@
-FROM debian:jessie
+FROM alpine:3.6
 MAINTAINER Jeffrey Boehm "[email protected]"
 
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-    supervisor \
-    spamassassin \
-    pyzor \
-    razor \
-    spamass-milter && \
-    rm -rf /var/lib/apt/lists/*
+ENV SPAMASS_USER=spamass \
+    SPAMASS_GROUP=spamass \
+    SPAMASS_CONF=/var/lib/spamassassin \
+    SA_HOME=/var/lib/spamassassin/.spamassassin \
+    SA_PORT=1783
+
+RUN apk --no-cache add \
+      libgcc \
+      libmilter-dev \
+      libstdc++ \
+      openssl \
+      perl-mail-spf \
+      python3 \
+      razor \
+      spamassassin \
+      spamassassin-client \
+      supervisor \
+      wget && \
+    apk --no-cache add --virtual .fetch-deps \
+          autoconf \
+          automake \
+          build-base && \
+    pip3 install \
+      pyzor && \
+    wget https://github.com/andybalholm/spamass-milter/archive/master.tar.gz && \
+    tar -xvf master.tar.gz && \
+      cd spamass-milter-master && \
+      ./autogen.sh && \
+      make && \
+      make install && \
+      cd / && \
+    rm -rf spamass-milter-master master.tar.gz && \
+    apk del .fetch-deps && \
+    addgroup -S ${SPAMASS_GROUP} && \
+    adduser -D ${SPAMASS_USER} -G ${SPAMASS_GROUP} && \
+    chgrp ${SPAMASS_GROUP} ${SPAMASS_CONF} && \
+    chmod 775 ${SPAMASS_CONF}
+
+USER ${SPAMASS_USER}
+VOLUME ["${SPAMASS_CONF}"]
 
 COPY rootfs/ /
 
 EXPOSE 9999
 
-VOLUME /var/lib/spamassassin
-
+HEALTHCHECK CMD spamc -K -p ${SA_PORT} || exit 1
 CMD ["/usr/bin/supervisord"]

spamassassin/rootfs/etc/spamassassin/local.cf

@@ -2,28 +2,22 @@
 nodaemon=true
 logfile=/dev/stderr
 logfile_maxbytes=0
-pidfile=/var/run/supervisord.pid
+pidfile=/tmp/supervisord.pid
 
 [program:sa-update]
 command=/usr/local/bin/sa-update.sh
 redirect_stderr=true
 stdout_logfile=/dev/stderr
 stdout_logfile_maxbytes=0
-stderr_logfile=/dev/stderr
-stderr_logfile_maxbytes=0
 
 [program:spamd]
 command=/usr/local/bin/spamd.sh
 redirect_stderr=true
 stdout_logfile=/dev/stderr
 stdout_logfile_maxbytes=0
-stderr_logfile=/dev/stderr
-stderr_logfile_maxbytes=0
 
 [program:spamass-milter]
-command=spamass-milter -p inet:[email protected] -u spamass-milter
+command=spamass-milter -p inet:[email protected] -- -p %(ENV_SA_PORT)s
 redirect_stderr=true
 stdout_logfile=/dev/stderr
 stdout_logfile_maxbytes=0
-stderr_logfile=/dev/stderr
-stderr_logfile_maxbytes=0

spamassassin/rootfs/etc/supervisor/conf.d/supervisord.conf renamed to spamassassin/rootfs/etc/supervisord.conf

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+echo asd > /tmp/spam
+spamassassin -t -D < /tmp/spam
+rm /tmp/spam

spamassassin/rootfs/usr/local/bin/debug.sh

@@ -1,12 +1,9 @@
 #!/bin/sh
-
-PIDFILE="/run/spamd.pid"
+PIDFILE="${SA_HOME}/spamd.pid"
 
 do_update() {
-  start-stop-daemon \
-    --chuid debian-spamd:debian-spamd --start \
-    --exec /usr/bin/sa-update -- \
-    --gpghomedir /var/lib/spamassassin/sa-update-keys 2>&1
+  /usr/bin/sa-update \
+    --gpghomedir ${SA_HOME}/sa-update-keys 2>&1
 }
 
 do_reload() {

spamassassin/rootfs/usr/local/bin/sa-update.sh

@@ -1,47 +1,12 @@
 #!/bin/sh
-SA_HOME="/var/lib/spamassassin/.spamassassin"
-PYZOR_HOME="/var/lib/spamassassin/.pyzor"
-RAZOR_HOME="/var/lib/spamassassin/.razor"
 echo "Starting spamassassin.."
 
-create_homedir() {
-  if ! [ -d ${SA_HOME} ]
-  then
-      mkdir ${SA_HOME}
-      chown debian-spamd ${SA_HOME}
-  fi
-}
-
-pyzor_discover() {
-  start-stop-daemon \
-    --chuid debian-spamd:debian-spamd --start \
-    --exec /usr/bin/pyzor -- \
-    --homedir ${PYZOR_HOME} discover
-}
-
-razor_setup() {
-  if [ -d ${RAZOR_HOME} ]
-  then
-    return 0
-  fi
-
-  mkdir ${RAZOR_HOME}
-
-  razor-admin -home=${RAZOR_HOME} -register
-  razor-admin -home=${RAZOR_HOME} -create
-  razor-admin -home=${RAZOR_HOME} -discover
-}
-
-create_homedir
-pyzor_discover
-razor_setup
-
 /usr/local/bin/sa-update.sh --startup
 
-spamd \
-    --username=debian-spamd \
+/usr/sbin/spamd \
     --syslog stderr \
-    --pidfile=/run/spamd.pid \
+    --pidfile=${SA_HOME}/spamd.pid \
     --max-children 5 \
-    --helper-home-dir \
-    --nouser-config
+    --helper-home-dir=${SA_HOME} \
+    --nouser-config \
+    --listen 127.0.0.1:${SA_PORT}