diff --git a/example_config.json b/example_config.json
index ef98b8c..409e1cd 100644
--- a/example_config.json
+++ b/example_config.json
@@ -1,5 +1,5 @@
 {
-    "textbelt_key": "",
+    "textbelt_key": "API_KEY",
     "data": "http://localhost/tar1090/data/aircraft.json",
     "tracker": "https://globe.theairtraffic.com/",
     "database": "subscriptions.db",
diff --git a/installer.sh b/installer.sh
new file mode 100755
index 0000000..a137c2b
--- /dev/null
+++ b/installer.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+if [ "$(id -u)" != "0" ]; then
+   echo "This script must be run as root" 
+   exit 1
+fi
+
+useradd --system --shell /bin/false --home /var/lib/adsms adsms
+
+mkdir -p /var/lib/adsms
+chown adsms:adsms /var/lib/adsms
+chmod 775 /var/lib/adsms
+
+touch /var/lib/adsms/subscribers.db
+chown adsms:adsms /var/lib/adsms/subscribers.db
+chmod 660 /var/lib/adsms/subscribers.db
+
+cp -n example_config.json /etc/adsms.json
+chown root:adsms /etc/adsms.json
+chmod 640 /etc/adsms.json
+
+cp -f adsms.py /usr/local/bin/adsms
+chown root:root /usr/local/bin/adsms
+chmod 755 /usr/local/bin/adsms