Use SIGQUIT for container shutdown

dtan4 · dtan4 · commit 1c5190f35d0c · 2017-09-27T18:38:30.000+09:00
diff --git a/Dockerfile b/Dockerfile
@@ -13,4 +13,8 @@ ENV WORKER_PROCESSES auto
 COPY files/run.sh /
 COPY files/nginx.conf.tmpl /
 
+# use SIGQUIT for graceful shutdown
+# c.f. http://nginx.org/en/docs/control.html
+STOPSIGNAL SIGQUIT
+
 ENTRYPOINT ["/run.sh"]
