Add busybox-syslogd to redirect DMA log output to STDERR

Author: moqmar

Dockerfile.slim.apache

@@ -399,5 +399,5 @@ ONBUILD RUN if [ -n "$NODE_VERSION" ]; then \
 ONBUILD ARG INSTALL_DMA
 ONBUILD RUN if [ -n "$INSTALL_DMA" ]; then \
     sudo apt-get update && \
-    sudo -E apt-get install -y --no-install-recommends dma; \
+    sudo -E apt-get install -y --no-install-recommends dma busybox-syslogd; \
     fi;

Dockerfile.slim.cli

@@ -304,5 +304,5 @@ ONBUILD RUN if [ -n "$NODE_VERSION" ]; then \
 ONBUILD ARG INSTALL_DMA
 ONBUILD RUN if [ -n "$INSTALL_DMA" ]; then \
     sudo apt-get update && \
-    sudo -E apt-get install -y --no-install-recommends dma; \
+    sudo -E apt-get install -y --no-install-recommends dma busybox-syslogd; \
     fi;

Dockerfile.slim.fpm

@@ -327,5 +327,5 @@ ONBUILD RUN if [ -n "$NODE_VERSION" ]; then \
 ONBUILD ARG INSTALL_DMA
 ONBUILD RUN if [ -n "$INSTALL_DMA" ]; then \
     sudo apt-get update && \
-    sudo -E apt-get install -y --no-install-recommends dma; \
+    sudo -E apt-get install -y --no-install-recommends dma busybox-syslogd; \
     fi;

README.md

@@ -472,7 +472,7 @@ a single argument before the "FROM" clause in your Dockerfile:
 
 ```Dockerfile
 ARG INSTALL_DMA=1
-FROM thecodingmachine/php:7.4-v3-slim-apache
+FROM thecodingmachine/php:8.0-v3-slim-apache
 # The build triggers automatically the installation of DragonFly Mail Agent
 ```
 

utils/Dockerfile.slim.blueprint

@@ -430,5 +430,5 @@ ONBUILD RUN if [ -n "$NODE_VERSION" ]; then \
 ONBUILD ARG INSTALL_DMA
 ONBUILD RUN if [ -n "$INSTALL_DMA" ]; then \
     sudo apt-get update && \
-    sudo -E apt-get install -y --no-install-recommends dma; \
+    sudo -E apt-get install -y --no-install-recommends dma busybox-syslogd; \
     fi;

utils/docker-entrypoint-as-root.sh

@@ -125,15 +125,20 @@ if [ -e /usr/sbin/dma ]; then
 
     # generate DMA config based on DMA_CONF_... environment variables
     php /usr/local/bin/generate_dma.php > /etc/dma/dma.conf
-	
-	# generate DMA authentication file based on DMA_AUTH_... environment variables
+
+    # generate DMA authentication file based on DMA_AUTH_... environment variables
     if [ -n "$DMA_AUTH_USERNAME" ] && [ -n "$DMA_AUTH_PASSWORD" ]; then
         if [ -z "$DMA_CONF_SMARTHOST" ]; then
             echo "DMA_AUTH_USERNAME and DMA_AUTH_PASSWORD are set, but DMA_CONF_SMARTHOST is empty - not attempting authentication" >&2
         else
             echo "$DMA_AUTH_USERNAME|$DMA_CONF_SMARTHOST:$DMA_AUTH_PASSWORD" > /etc/dma/auth.conf
         fi
     fi
+
+    # start BusyBox syslogd to log DMA errors to STDERR
+    # unfortunately DMA doesn't support any other way of logging
+    # tini will luckily make sure that syslogd will be killed together with any other processes
+    syslogd -n -O - -l 6 | grep --color=never -E '\bmail\.\S+\s+dma\b' >&2 &
 fi
 
 sudo chown docker:docker /opt/php_env_var_cache.php