Include access logs in the container logs and don't store on disk

nginx/site.conf

@@ -2,6 +2,7 @@ server {
         listen 80 default_server;
         resolver 172.16.0.10;
         set_by_lua $upstream_port 'return os.getenv("upstream_port")';
+        access_log /dev/stdout;
         location / {
                 proxy_pass http://localhost:${upstream_port};
                 proxy_set_header Host $host;