diff --git a/CHANGELOG.md b/CHANGELOG.md
index a86f441..f501ec0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [v1.17.10-2] - 2021-02-12
+
+## Added
+- New volume `app.conf.d` for custom configuration of additional location endpoints #38
+
+### Changed
+- Add configuration for websocket connection #36
+
 ## [v1.17.10-1] - 2021-01-25
 ### Changed
 - Update nginx to 1.17.10 #32
diff --git a/Dockerfile b/Dockerfile
index 57044d8..d4c2699 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,7 +22,7 @@ RUN set -x \
 FROM registry.cloudogu.com/official/base:3.10.3-2
 LABEL maintainer="sebastian.sdorra@cloudogu.com" \
       NAME="official/nginx" \
-      VERSION="1.17.10-1"
+      VERSION="1.17.10-2"
 
 ENV CES_CONFD_VERSION=0.5.0 \
     CES_CONFD_TAR_SHA256="0f6e6dce9e2eac40319133000b5fce873009adfb459b7cfd43bfe4ed4096518b" \
diff --git a/dogu.json b/dogu.json
index 63924e5..956414f 100644
--- a/dogu.json
+++ b/dogu.json
@@ -1,6 +1,6 @@
 {
   "Name": "official/nginx",
-  "Version": "1.17.10-1",
+  "Version": "1.17.10-2",
   "DisplayName": "Nginx",
   "Description": "Nginx WebServer.",
   "Logo": "https://cloudogu.com/images/dogus/nginx.png",
@@ -66,6 +66,13 @@
       "Owner": "1000",
       "Group": "1000",
       "NeedsBackup": true
+    },
+    {
+      "Name": "app.conf.d",
+      "Path": "/etc/nginx/app.conf.d",
+      "Owner": "1000",
+      "Group": "1000",
+      "NeedsBackup": true
     }
   ],
   "ExposedPorts": [
diff --git a/resources/etc/ces-confd/templates/app.conf.tpl b/resources/etc/ces-confd/templates/app.conf.tpl
index df3dec0..dcc8e45 100644
--- a/resources/etc/ces-confd/templates/app.conf.tpl
+++ b/resources/etc/ces-confd/templates/app.conf.tpl
@@ -2,6 +2,7 @@ server {
   include /etc/nginx/include.d/ssl.conf;
   include /etc/nginx/include.d/errors.conf;
   include /etc/nginx/include.d/robots.conf;
+  include /etc/nginx/app.conf.d/*.conf;
 
 {{if .Maintenance}}
   location / {
@@ -20,7 +21,13 @@ server {
   # https://github.com/cloudogu/ecosystem/issues/298
   # https://stackoverflow.com/questions/28347184/upstream-timed-out-110-connection-timed-out-for-static-content
   proxy_http_version 1.1;
-  proxy_set_header Connection "";
+  
+  # nginx.conf map handles connection_upgrade http_upgrade
+  proxy_set_header Connection $connection_upgrade;
+  proxy_set_header Upgrade $http_upgrade;
+
+  proxy_read_timeout 1d;
+
 
   # disable gzip encoding for proxy applications
   proxy_set_header Accept-Encoding identity;
diff --git a/resources/etc/nginx/nginx.conf.tpl b/resources/etc/nginx/nginx.conf.tpl
index e8f97b4..4d864cc 100644
--- a/resources/etc/nginx/nginx.conf.tpl
+++ b/resources/etc/nginx/nginx.conf.tpl
@@ -25,6 +25,12 @@ http {
   # Limit download size to 32gb
   proxy_max_temp_file_size 32768m;
 
+  # if the request wants to ugrade to websocket we map the header and set the Upgrade header
+  map $http_upgrade $connection_upgrade {
+    default upgrade;
+    ''      close;
+  }
+
   # logging
   {{ if not (.Config.Exists "disable_access_log") }}
   log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '