Configure renderd and postgres to log via syslog-ng

Dockerfile

@@ -97,6 +97,10 @@ RUN sed --file /tmp/postgresql.conf.sed --in-place /etc/postgresql/9.1/main/post
 RUN mkdir -p /etc/my_init.d
 ADD shmmax.sh /etc/my_init.d/shmmax.sh
 
+# Define the application logging logic
+ADD syslog-ng.conf /etc/syslog-ng/conf.d/local.conf
+RUN rm -rf /var/log/postgresql
+
 # Create a `postgresql` `runit` service
 ADD postgresql /etc/sv/postgresql
 RUN update-service --add /etc/sv/postgresql

postgresql.conf.sed

@@ -3,3 +3,6 @@ s/shared_buffers = 24MB/shared_buffers = 128MB/
 s/#checkpoint_segments = 3/checkpoint_segments = 20/
 s/#maintenance_work_mem = 16MB/maintenance_work_mem = 256MB/
 s/#autovacuum = on/autovacuum = off/
+s/#log_destination = 'stderr'/log_destination = 'stderr,syslog'/
+s/#syslog_facility/syslog_facility/
+s/#syslog_ident/syslog_ident/

syslog-ng.conf

@@ -0,0 +1,15 @@
+##
+# Syslog-ng configuration for logging application services
+#
+# This file should be placed in `/etc/syslog-ng/conf.d`.
+#
+
+# Log Postgresql 
+destination postgres { file("/var/log/postgres.log"); };
+filter f_postgres { facility(local0); };
+log { source(s_src); filter(f_postgres); destination(postgres); };
+
+# Log Renderd
+destination renderd { file("/var/log/renderd.log"); };
+filter f_renderd { program("renderd"); };
+log { source(s_src); filter(f_renderd); destination(renderd); };