delete all root process

boring-nginx/Dockerfile

@@ -115,4 +115,4 @@ LABEL description="Secure nginx built from source." \
       openssl="BoringSSL (date of the container)." \
       nginx="nginx ${NGINX_VERSION}."
 
-CMD ["/sbin/tini","--","run.sh"]
+CMD ["run.sh"]

boring-nginx/run.sh

@@ -1,4 +1,4 @@
 #!/bin/sh
 chown -R $UID:$GID /etc/nginx /var/log/nginx /var/run/nginx.pid /sites-enabled /conf.d /certs /www /tmp
 chmod -R 700 /certs
-su-exec $UID:$GID nginx
+exec su-exec $UID:$GID /sbin/tini -- nginx