diff --git a/ansible/ci.yml b/ansible/ci.yml
index 49b503a3..bb9defca 100644
--- a/ansible/ci.yml
+++ b/ansible/ci.yml
@@ -4,6 +4,12 @@
     - common
     - lxd_host
 
+- hosts: dub-registry.ci.lxd
+  vars:
+    - dub_registry_http_port: 8080
+  roles:
+    - dub_registry_mirror
+
 - hosts: jenkins.ci.lxd
   vars:
     - jenkins_http_port: 8080
@@ -76,3 +82,6 @@
         ci2.dawg.eu: |
           mode http
           server s1 jenkins.ci.lxd:8080
+        code-mirror.dlang.io: |
+          mode http
+          server s1 dub-registry.ci.lxd:8005
diff --git a/ansible/inventory b/ansible/inventory
index 38d2aad4..91113e39 100644
--- a/ansible/inventory
+++ b/ansible/inventory
@@ -9,6 +9,7 @@ ci_containers
 jenkins.ci.lxd
 runner-01.ci.lxd
 runner-02.ci.lxd
+dub-registry.ci.lxd
 
 [ci_containers:vars]
 # ssh proxy into container (running ssh itself)
diff --git a/ansible/roles/dub_registry_mirror/files/dub-registry-mirror.service b/ansible/roles/dub_registry_mirror/files/dub-registry-mirror.service
new file mode 100644
index 00000000..4780ea1e
--- /dev/null
+++ b/ansible/roles/dub_registry_mirror/files/dub-registry-mirror.service
@@ -0,0 +1,14 @@
+[Unit]
+Description=dub-registry mirror
+After=network.target remote-fs.target nss-lookup.target
+
+[Service]
+Type=simple
+Group=dub-registry
+User=dub-registry
+ExecStart=/home/dub-registry/dub-registry/dub-registry --mirror=https://code.dlang.org
+WorkingDirectory=/home/dub-registry/dub-registry
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target
diff --git a/ansible/roles/dub_registry_mirror/files/dub-registry.patch b/ansible/roles/dub_registry_mirror/files/dub-registry.patch
new file mode 100644
index 00000000..06365ed9
--- /dev/null
+++ b/ansible/roles/dub_registry_mirror/files/dub-registry.patch
@@ -0,0 +1,13 @@
+diff --git a/source/app.d b/source/app.d
+index f93da61..00e1e42 100644
+--- a/source/app.d
++++ b/source/app.d
+@@ -106,7 +106,7 @@ shared static this()
+ 	// start the web server
+  	auto settings = new HTTPServerSettings;
+ 	settings.hostName = hostname;
+-	settings.bindAddresses = ["127.0.0.1"];
++	settings.bindAddresses = ["0.0.0.0"];
+ 	settings.port = 8005;
+ 	settings.sessionStore = new MemorySessionStore;
+ 
diff --git a/ansible/roles/dub_registry_mirror/handlers/main.yml b/ansible/roles/dub_registry_mirror/handlers/main.yml
new file mode 100644
index 00000000..f80e98ad
--- /dev/null
+++ b/ansible/roles/dub_registry_mirror/handlers/main.yml
@@ -0,0 +1,7 @@
+---
+- name: systemctl daemon-reload
+  command: systemctl daemon-reload
+- name: enable dub-registry-mirror
+  service: { name: dub-registry-mirror, enabled: yes }
+- name: restart dub-registry-mirror
+  service: { name: dub-registry-mirror, enabled: yes, state: restarted }
diff --git a/ansible/roles/dub_registry_mirror/tasks/main.yml b/ansible/roles/dub_registry_mirror/tasks/main.yml
new file mode 100644
index 00000000..71837eda
--- /dev/null
+++ b/ansible/roles/dub_registry_mirror/tasks/main.yml
@@ -0,0 +1,35 @@
+---
+- name: install dependencies
+  apt: { name: "{{ item }}", install_recommends: no, update_cache: yes, cache_valid_time: 3600 }
+  with_items: [mongodb-server, libevent-dev, libssl-dev, patch]
+- name: install dmd
+  apt:
+    deb: 'http://downloads.dlang.org/releases/2.x/2.074.1/dmd_2.074.1-0_amd64.deb'
+    install_recommends: no
+    update_cache: yes
+    cache_valid_time: 3600
+- name: create registry user
+  user: { name: dub-registry }
+- name: get dub-registry
+  unarchive:
+    remote_src: yes
+    src: 'https://github.com/dlang/dub-registry/archive/v2.1.0.tar.gz'
+    dest: /home/dub-registry/
+    owner: dub-registry
+    group: dub-registry
+- name: symlink dub-registry
+  file: { dest: /home/dub-registry/dub-registry, src: /home/dub-registry/dub-registry-2.1.0, state: link }
+- name: patch dub-registry bind address
+  patch: { src: dub-registry.patch, dest: /home/dub-registry/dub-registry/source/app.d }
+- name: build dub-registry
+  command: dub build
+  args:
+    chdir: /home/dub-registry/dub-registry
+  become_user: dub-registry
+  register: build
+  changed_when: not build.stdout | search('dub-registry.*up to date')
+  tags: rebuild
+  notify: restart dub-registry-mirror
+- name: install service file
+  copy: { src: dub-registry-mirror.service, dest: /etc/systemd/system/ }
+  notify: [systemctl daemon-reload, enable dub-registry-mirror, restart dub-registry-mirror]
diff --git a/ansible/roles/haproxy/tasks/main.yml b/ansible/roles/haproxy/tasks/main.yml
index 7e4841af..03fafde5 100644
--- a/ansible/roles/haproxy/tasks/main.yml
+++ b/ansible/roles/haproxy/tasks/main.yml
@@ -44,7 +44,7 @@
               http-request set-header X-Forwarded-Proto https
               {% for domain in backends.keys() -%}
               use_backend {{ domain }} if { ssl_fc_sni -i {{ domain }} }
-              {%- endfor %}
+              {% endfor %}
 
       {% for domain, backend in backends.iteritems() -%}
       backend {{ domain }}
diff --git a/pipeline.groovy b/pipeline.groovy
index 596b6023..43bdd0a4 100644
--- a/pipeline.groovy
+++ b/pipeline.groovy
@@ -162,7 +162,7 @@ def testDownstreamProject (name) {
 
                 case 'rejectedsoftware/vibe.d':
                     // use DC=dmd to workaround https://github.com/dlang/dub/pull/966
-                    sh 'sed -i \'/# test building with Meson/,//d\' ./travis-ci.sh' // strip meson tests
+                    sh 'sed -i \'/# test building with Meson/,//d\' travis-ci.sh' // strip meson tests
                     sh 'DC=dmd VIBED_DRIVER=libevent BUILD_EXAMPLE=1 RUN_TEST=1 ./travis-ci.sh'
                     sh 'DC=dmd VIBED_DRIVER=libasync BUILD_EXAMPLE=0 RUN_TEST=0 ./travis-ci.sh'
                     break;
@@ -170,7 +170,8 @@ def testDownstreamProject (name) {
                 case 'dlang/dub':
                     sh '''
                       rm test/issue884-init-defer-file-creation.sh # FIXME
-                      jq '.versions["vibe-d"]="0.7.31"' < dub.selections.json | sponge dub.selections.json
+                      sed -i \'s| defaultRegistryURL = .*;| defaultRegistryURL = "https://code-mirror.dlang.io/";|\' source/dub/dub.d
+                      jq \'.versions["vibe-d"]="0.7.31"\' < dub.selections.json | sponge dub.selections.json
                       dub fetch ddox --version=0.16.0
                     '''
                     sh 'DC=$DC ./travis-ci.sh'
@@ -260,7 +261,12 @@ def runPipeline() {
             def repos = [
                 'dub': {
                     withEnv(["PATH=${env.WORKSPACE}/dmd/src:${env.PATH}"]) {
-                        dir ('dub') { sh "./build.sh" }
+                        dir ('dub') {
+                            sh '''#!/usr/bin/env bash
+                            sed -i \'s| defaultRegistryURL = .*;| defaultRegistryURL = "https://code-mirror.dlang.io/";|\' source/dub/dub.d
+                            ./build.sh
+                            '''
+                        }
                     }
                 },
                 'tools': {