diff --git a/hswaw/checkinator/README.rst b/hswaw/checkinator/README.rst
index a0414d1..e76b600 100644
--- a/hswaw/checkinator/README.rst
+++ b/hswaw/checkinator/README.rst
@@ -2,6 +2,9 @@
 uses dhcpd.leases file to track MAC adressess of devices connected to hs LAN
 network.
 
+This is running on `customs` machine. Go to
+``hswaw/machines/customs.hackerspace.pl`` to see how it is deployed.
+
 .. _Warsaw Hackerspace: https://hackerspace.pl
 
 Setup
@@ -9,24 +12,25 @@
 .. code:: bash
 
     cp config.yaml.dist config.yaml
+    cp web-config.yaml.dist web-config.yaml
 
-    # edit config file using your favourite editor
+    # edit config files using your favourite editor
     $EDITOR config.yaml
+    $EDITOR web-config.yaml
 
     # create new database file (or copy existing one)
     sqlite3 at.db < dbsetup.sql
 
-    # create python virtual environment
-    python3 -m venv vevnv
-    ./venv/bin/python3 -m pip install -r requirements
-    ./venv/bin/python3 -m pip install gunicorn
+    # build
+    nix-build ../../default.nix -A hswaw.checkinator
 
 Running
 -------
 .. code:: bash
 
-   ./venv/bin/gunicorn run:app
+    # run tracker
+    ./result/bin/checkinator-tracker config.yaml
 
-When running on OpenBSD make sure to pass '--no-sendfile' argument to gunicorn
-command. This will prevent AttributeError on os.sendfile that seems to be
-missing in this marvelous OS-es python3 stdlib.
+    # run web interface
+    # TODO: fix running debug entry point from nix build
+    ./result/bin/checkinator-web-debug
diff --git a/hswaw/checkinator/requirements.txt b/hswaw/checkinator/requirements.txt
deleted file mode 100644
index 8d2eb32..0000000
--- a/hswaw/checkinator/requirements.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-blinker==1.4
-certifi==2017.7.27.1
-chardet==3.0.4
-click==6.7
-Flask==0.12.2
-Flask-Login==0.4.0
-Flask-OAuthlib==0.9.4
--e git+https://code.hackerspace.pl/informatic/flask-spaceauth@4dd1c63912297d499dcd5631879e45dc6aa1819d#egg=Flask_SpaceAuth
-idna==2.6
-itsdangerous==0.24
-Jinja2==2.9.6
-MarkupSafe==1.0
-oauthlib==2.0.4
-requests==2.18.4
-requests-oauthlib==0.8.0
-urllib3==1.22
-Werkzeug==0.12.2