updated nginx - improved upstart behavior

docker-compose.yml

@@ -2,8 +2,9 @@ version: '3'
 
 services:
   nginx:
-    image: nginx:1.13.1
+    image: nginx:1.15
     container_name: nginx-proxy
+    restart: always
     ports:
       - "80:80"
       - "443:443"
@@ -18,6 +19,7 @@ services:
   dockergen:
     image: jwilder/docker-gen:0.7.3
     container_name: nginx-proxy-gen
+    restart: always
     depends_on:
       - nginx
     command: -notify-sighup nginx-proxy -watch -wait 5s:30s /etc/docker-gen/templates/nginx.tmpl /etc/nginx/conf.d/default.conf
@@ -32,6 +34,7 @@ services:
   letsencrypt:
     image: jrcs/letsencrypt-nginx-proxy-companion
     container_name: nginx-proxy-le
+    restart: always
     depends_on:
       - nginx
       - dockergen