[extensions-web/deploy] openshift: drop environment variable from Dockerfile, drop IPv6 stuff.

[Yuri Konotopov <ykonotopov src gnome org>]

commit 53c50d19a53b7f1caedd80bcb0d24e3ea57000bc
Author: Yuri Konotopov <ykonotopov gnome org>
Date:   Mon Dec 17 00:13:22 2018 +0400

    openshift: drop environment variable from Dockerfile, drop IPv6 stuff.

 openshift/docker/nginx/Dockerfile | 2 --
 openshift/docker/nginx/nginx.conf | 4 +---
 2 files changed, 1 insertion(+), 5 deletions(-)
---
diff --git a/openshift/docker/nginx/Dockerfile b/openshift/docker/nginx/Dockerfile
index 9acd1e1..ed8c8f7 100644
--- a/openshift/docker/nginx/Dockerfile
+++ b/openshift/docker/nginx/Dockerfile
@@ -2,8 +2,6 @@ FROM nginx:stable
 
 MAINTAINER Yuri Konotopov <ykonotopov gnome org>
 
-ENV EGO_NODE_ADDRESS=extensions-web
-
 COPY nginx.conf /tmp
 
 RUN set -ex \
diff --git a/openshift/docker/nginx/nginx.conf b/openshift/docker/nginx/nginx.conf
index 2bb17c4..fef94a2 100644
--- a/openshift/docker/nginx/nginx.conf
+++ b/openshift/docker/nginx/nginx.conf
@@ -8,7 +8,6 @@ events {
     use epoll;
 }
 
-
 http {
     include       /etc/nginx/mime.types;
     default_type  application/octet-stream;
@@ -36,8 +35,7 @@ http {
 
         root /usr/share/nginx/html;
 
-        listen  8080 default_server;
-        listen  [::]:8080 default_server;
+        listen 8080 default_server;
 
         set_real_ip_from 10.0.0.0/8;
         real_ip_header X-Forwarded-For;