improve logs

glpi/Dockerfile

@@ -131,11 +131,21 @@ COPY --from=builder --chown=www-data:www-data /usr/src/glpi /var/www/glpi
 RUN mkdir /var/glpi && chown www-data:www-data /var/glpi
 VOLUME /var/glpi
 
+# make a directory for GLPI logs.
+RUN mkdir -p /var/log/glpi && chown www-data:www-data /var/log/glpi
+
 # Define GLPI environment variables
 ENV \
   GLPI_INSTALL_MODE=DOCKER \
   GLPI_CONFIG_DIR=/var/glpi/config \
-  GLPI_VAR_DIR=/var/glpi/files
+  GLPI_VAR_DIR=/var/glpi/files \
+  GLPI_LOG_DIR=/var/log/glpi
+
+# disable apache access logs
+RUN rm /var/log/apache2/access.log
+RUN rm /var/log/apache2/other_vhosts_access.log
+RUN ln -sfT /dev/null /var/log/apache2/access.log
+RUN ln -sfT /dev/null /var/log/apache2/other_vhosts_access.log
 
 # Make startup script executable and executes it as default command.
 RUN chmod u+x /opt/startup.sh

glpi/files/etc/apache2/sites-available/000-default.conf

@@ -2,7 +2,6 @@
     DocumentRoot /var/www/glpi/public
 
     ErrorLog ${APACHE_LOG_DIR}/error.log
-    CustomLog ${APACHE_LOG_DIR}/access.log combined
 
     <Directory /var/www/glpi/public>
         Require all granted

glpi/files/opt/startup.sh

@@ -32,9 +32,29 @@ done
 # Set ACL for www-data user on marketplace directory
 setfacl -m user:www-data:rwx,group:www-data:rwx "/var/www/glpi/marketplace"
 
+# forward logs files to /proc/1/fd/1
+# see https://stackoverflow.com/a/63713129
+logs=(
+    "event.log"
+    "cron.log"
+    "mail.log"
+    "php-errors.log"
+    "sql-errors.log"
+    "mail-errors.log"
+    "access-error.log"
+)
+for log in "${logs[@]}"
+do
+    if [ ! -f /var/log/glpi/$log ];
+    then
+        touch /var/log/glpi/$log
+        setfacl -m user:www-data:rwx,group:www-data:rwx /var/log/glpi/$log
+    fi
+done
+tail -f /var/log/glpi/*.log > /proc/1/fd/1 &
+
 # Run cron service.
 cron
 
 # Run command previously defined in base php-apache Dockerfile.
 apache2-foreground
-