Fix supervisor logging (to console instead of syslog)

Dockerfile

@@ -33,7 +33,8 @@ RUN curl -L https://github.com/coreos/etcd/releases/download/$ETCDCTL_VERSION/et
     rm -rf /tmp/etcd-$ETCDCTL_VERSION-linux-amd64.tar.gz
 
 #Supervisor Config
-RUN pip install supervisor==3.1.2 && mkdir -p /var/log/supervisor
+RUN pip install supervisor==3.1.2 supervisor-stdout && \
+    mkdir -p /var/log/supervisor
 ADD bin/supervisord-wrapper.sh /usr/sbin/supervisord-wrapper.sh
 RUN chmod +x /usr/sbin/supervisord-wrapper.sh && ln -sf /etc/supervisor/supervisord.conf /etc/supervisord.conf
 

etc/supervisor/conf.d/supervisord.conf

@@ -6,12 +6,18 @@ nodaemon=true
 command=/usr/sbin/confd-wrapper.sh
 autorestart=true
 startsecs=5
-stderr_logfile=syslog
-stdout_logfile=syslog
+stdout_events_enabled = true
+stderr_events_enabled = true
 
 [program:image-factory]
 command=/opt/image-factory/bin/image-factory -D --debug --config /opt/image-factory/config/config-docker.json
 autorestart=true
-stderr_logfile=syslog
-stdout_logfile=syslog
+stdout_events_enabled = true
+stderr_events_enabled = true
 environment=HOME="/root"
+
+[eventlistener:stdout]
+command = supervisor_stdout
+buffer_size = 100
+events = PROCESS_LOG
+result_handler = supervisor_stdout:event_handler