[nominatim-web] Run as user assigned to project

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit bc9368f9d1fed8951625db33f039773c41a3d995
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Thu May 21 16:21:58 2020 +0200

    Run as user assigned to project

 Dockerfile | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/Dockerfile b/Dockerfile
index 2e90158..23e044d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,4 @@
 FROM nginxinc/nginx-unprivileged:stable-alpine
 ADD nginx.conf /etc/nginx/conf.d/default.conf
 RUN nginx -t
+USER 1000200000