close supervisord on fatal + full binary paths

Dockerfile

@@ -29,6 +29,7 @@ COPY nginx.conf /etc/nginx/conf.d/default.conf
 COPY php-fpm.conf /etc/php7/php-fpm.d/ttrss.conf
 COPY install-db.php /var/lib/tt-rss-install/install-db.php
 COPY supervisor.conf /var/lib/tt-rss-install/supervisor.conf
+COPY manage-supervisord.py /var/lib/tt-rss-install/manage-supervisord.py
 
 ADD https://git.tt-rss.org/fox/tt-rss/archive/18.12.tar.gz /tmp/ttrss.tar.gz
 RUN tar -xzf /tmp/ttrss.tar.gz -C /var/lib

manage-supervisord.py

@@ -0,0 +1,23 @@
+#!/usr/bin/python
+import sys
+import os
+import signal
+
+def write_stdout(s):
+    sys.stdout.write(s)
+    sys.stdout.flush()
+
+def write_stderr(s):
+    sys.stderr.write(s)
+    sys.stderr.flush()
+
+def main():
+    while 1:
+        write_stdout('READY\n')
+        line = sys.stdin.readline()
+        os.kill(1, signal.SIGTERM)
+        write_stdout('RESULT 2\nOK')
+
+if __name__ == '__main__':
+    main()
+    import sys

supervisor.conf

@@ -4,7 +4,7 @@ user=nginx
 logfile=/tmp/supervisord.log
 
 [program:nginx]
-command=nginx -g "daemon off;"
+command=/usr/sbin/nginx -g "daemon off;"
 autostart=true
 autorestart=true
 stdout_logfile=/dev/stdout
@@ -13,7 +13,7 @@ stderr_logfile=/dev/stderr
 stderr_logfile_maxbytes=0
 
 [program:php-fpm]
-command=php-fpm7 -F
+command=/usr/sbin/php-fpm7 -F
 autostart=true
 autorestart=true
 stdout_logfile=/dev/stdout
@@ -22,7 +22,7 @@ stderr_logfile=/dev/stderr
 stderr_logfile_maxbytes=0
 
 [eventlistener:feed-update]
-command=php7 -r 'while (true) { print("READY\n"); readline(); passthru("php7 /var/lib/tt-rss/update.php --daemon-loop"); print("RESULT 2\nOK\n"); }'
+command=/usr/bin/php7 -r 'while (true) { print("READY\n"); readline(); passthru("/usr/bin/php7 /var/lib/tt-rss/update.php --daemon-loop"); print("RESULT 2\nOK\n"); }'
 events=TICK_60
 autostart=true
 autorestart=true
@@ -30,3 +30,7 @@ stdout_logfile=/dev/stdout
 stdout_logfile_maxbytes=0
 stderr_logfile=/dev/stderr
 stderr_logfile_maxbytes=0
+
+[eventlistener:quit_on_failure]
+events=PROCESS_STATE_FATAL
+command=/usr/bin/python /var/lib/tt-rss-install/manage-supervisord.py