diff --git a/README.md b/README.md
index bfb4f8a..e65bf07 100644
--- a/README.md
+++ b/README.md
@@ -75,11 +75,27 @@ POST   /api/render-markdown   body: { text, mode? }   → { html }
 
 ## Running as a system service
 
-`deployment/task-inventory.service` is a systemd unit file. To use it:
+`deployment/task-inventory.service` targets `/srv/task-inventory` with a dedicated `task-inventory` user.
 
-1. Fill in `WorkingDirectory` with the path to the deployed app
-2. Create a dedicated user: `useradd -r task-inventory`
-3. `sudo systemctl enable --now "$(realpath deployment/task-inventory.service)"`
+```bash
+# Create service user
+sudo useradd -r task-inventory
+
+# Deploy files
+sudo cp -r . /srv/task-inventory
+sudo chown -R task-inventory:task-inventory /srv/task-inventory
+
+# Install dependencies as service user
+sudo -u task-inventory npm ci --prefix /srv/task-inventory
+
+# Copy and configure config.yaml
+sudo cp config.yaml.example /srv/task-inventory/config.yaml
+sudo chown task-inventory:task-inventory /srv/task-inventory/config.yaml
+# edit /srv/task-inventory/config.yaml
+
+# Enable and start
+sudo systemctl enable --now "$(realpath deployment/task-inventory.service)"
+```
 
 Packaging (Arch, Debian, etc.) is not set up yet.
 
diff --git a/deployment/task-inventory.service b/deployment/task-inventory.service
index ff6eea3..9496e2d 100644
--- a/deployment/task-inventory.service
+++ b/deployment/task-inventory.service
@@ -8,7 +8,7 @@ User=task-inventory
 Group=task-inventory
 Type=simple
 ExecStart=node server.mjs
-WorkingDirectory= MUST BE FILLED IN
+WorkingDirectory=/srv/task-inventory
 Restart=on-failure
 
 [Install]