Use non read-only path

compose.yml

@@ -22,7 +22,7 @@ services:
       - nginx-cache:/var/cache/nginx/peertube-media-cache:rw
     configs:
       - source: nginx_config
-        target: /etc/nginx/conf.d/default.conf
+        target: /etc/nginx/nginx.conf
     deploy:
       restart_policy:
         condition: on-failure

nginx.conf.tmpl

@@ -1,3 +1,10 @@
+user www-data;
+
+events {
+  worker_connections 768;
+}
+
+http {
   upstream backend {
     server app:9000;
   }
@@ -240,3 +247,4 @@ server {
   {{ end }}
     }
   }
+}