diff --git a/README.md b/README.md
index 1776103..72ec146 100644
--- a/README.md
+++ b/README.md
@@ -8,9 +8,19 @@ go away! This is on pre-alpha^4 development stage.
 Run docker containers
 ---------------------
 
-    $ docker run --rm --hostname repoapi-rabbit --name repoapi-rabbit rabbitmq:3
+    $ docker run -d --rm --hostname repoapi-rabbit --name repoapi-rabbit rabbitmq:3
     $ docker run --rm -i -t --link repoapi-rabbit:rabbit -v $(pwd):/code:rw docker.mgm.sipwise.com/repoapi-buster:latest bash
 
+Tmux
+----
+
+Use tmux inside repoapi-buster container so you can execute both dev server and worker
+
+```
+$ docker run --rm -i -t --link repoapi-rabbit:rabbit --env=VAR_DIR=/code -v $(pwd):/code:rw docker.mgm.sipwise.com/repoapi-buster:latest tmux
+```
+or just execute ``./tmux.sh``
+
 Prepare development environment
 ===============================
 
@@ -32,7 +42,7 @@ Inside the repoapi-buster container run:
 
 ```
   $ make venv_dev
-  $ source /var/lib/repoapi/venv_dev/bin/activate
+  $ source $(VAR_DIR)/venv_dev/bin/activate
   (venv_dev)$
 ```
 
@@ -56,11 +66,6 @@ Create superuser
   (venv_dev)$ ./manage.py createsuperuser --settings="repoapi.settings.dev"
   ```
 
-Tmux
-----
-
-Use tmux inside repoapi-buster container so you can execute both dev server and worker
-
 
 Run dev server
 --------------
diff --git a/repoapi/settings/common.py b/repoapi/settings/common.py
index fd5010c..dc48d16 100644
--- a/repoapi/settings/common.py
+++ b/repoapi/settings/common.py
@@ -30,6 +30,7 @@ PROJECT_APPS = [
 ]
 
 INSTALLED_APPS = [
+    "object_tools",
     "django.contrib.admin",
     "django.contrib.auth",
     "django.contrib.contenttypes",
@@ -44,6 +45,7 @@ INSTALLED_APPS = [
     "django_extensions",
     "django_filters",
     "jsonify",
+    "export",
 ]
 
 MIDDLEWARE_CLASSES = (
diff --git a/repoapi/urls.py b/repoapi/urls.py
index d05dc59..f6666f3 100644
--- a/repoapi/urls.py
+++ b/repoapi/urls.py
@@ -9,6 +9,7 @@
 # more details.
 # You should have received a copy of the GNU General Public License along
 # with this program.  If not, see <http://www.gnu.org/licenses/>.
+import object_tools
 from django.conf.urls import include
 from django.conf.urls import url
 from django.contrib import admin
@@ -92,6 +93,7 @@ api_patterns = [
 api_patterns = format_suffix_patterns(api_patterns)
 
 urlpatterns = [
+    url(r"^object-tools/", include(object_tools.tools.urls)),
     url(r"^admin/", include(admin.site.urls)),
     url(r"^", include(api_patterns)),
     url(
diff --git a/requirements/common.txt b/requirements/common.txt
index 387deac..f0373fc 100644
--- a/requirements/common.txt
+++ b/requirements/common.txt
@@ -1,12 +1,15 @@
 celery
 Django==1.11.28
 django-assets
-django-celery-beat
+django-celery-beat<2.0
 django-celery-results
+django-export
 django-extensions
 django-filter
 django-jsonify
+django-object-tools
 django-rest-swagger
+django-timezone-field>=3.1,<4.0  # last version supporting django 1.11
 djangorestframework>=3.6,<3.7
 drfapikey
 flower
diff --git a/t/Dockerfile b/t/Dockerfile
index 89952a1..56d2463 100644
--- a/t/Dockerfile
+++ b/t/Dockerfile
@@ -5,7 +5,7 @@ FROM docker.mgm.sipwise.com/sipwise-buster:latest
 # is updated with the current date. It will force refresh of all
 # of the base images and things like `apt-get update` won't be using
 # old cached versions when the Dockerfile is built.
-ENV REFRESHED_AT 2020-02-21
+ENV REFRESHED_AT 2020-03-06
 
 RUN apt-get update
 RUN apt-get install --assume-yes python3 python3-dev \
diff --git a/tmux.sh b/tmux.sh
new file mode 100755
index 0000000..383dd17
--- /dev/null
+++ b/tmux.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+docker run -d --rm \
+	--hostname repoapi-rabbit --name repoapi-rabbit rabbitmq:3
+docker pull docker.mgm.sipwise.com/repoapi-buster:latest
+docker run --rm -i -t --env=VAR_DIR=/code --link repoapi-rabbit:rabbit \
+	-v "$(pwd)":/code:rw docker.mgm.sipwise.com/repoapi-buster:latest tmux
+docker stop repoapi-rabbit