Add service file and instructions

Author: KUGA2

README.md

@@ -38,9 +38,25 @@ If you get an error message
 
 you are probably already running a stream. If you are on OctoPi with
 you can stop the preinstalled mjpg-streamer.
-    
+
     sudo systemctl stop webcamd
 
+### Run at startup (as service)
+
+Remove the octopi included mjpg webcamd.service
+
+- `sudo systemctl stop webcamd`
+- `sudo systemctl disable webcamd`
+- Backup: `sudo mv /etc/systemd/system/webcamd.service /home/pi/mjpg-streamer/`
+
+Install new service (this asumes you cloned to ~/OctoStreamer, adjust paths
+and webcamd.service otherwise)
+
+- `sudo ln -s -T /home/pi/OctoStreamer/webcamd.service /etc/systemd/system/webcamd.service`
+- `sudo systemctl daemon-reload`
+- `sudo systemctl enable webcamd`
+- `sudo systemctl start webcamd.service`
+
 ### Test
 
 - Go to http://localhost:<port> in your browser. In Config, it should show your

webcamd.service

@@ -0,0 +1,15 @@
+[Unit]
+Description=the OctoStreamer webcam daemon
+After=multi-user.target
+
+[Service]
+WorkingDirectory=/home/pi/OctoStreamer
+User=pi
+Environment="CAMERA=v4l2"
+ExecStart=/usr/bin/python3 /home/pi/OctoStreamer/app.py
+Restart=always
+Type=simple
+RestartSec=1
+
+[Install]
+WantedBy=multi-user.target