Set WorkingDirectory in systemd unit and cd in scripts

Author: rnwst

content/tutorials/websites/deploy-a-web-app.md

@@ -258,7 +258,7 @@ The scripts provided here are just examples and won't necessarily be perfect for
 #!/bin/bash -e
 
 . ~/myapp/venv/bin/activate
-export PYTHONPATH='/home/crsid/myapp'
+cd ~/myapp
 exec gunicorn -w 2 -b unix:/home/crsid/myapp/web.sock \
     --log-file - main:app
 ```
@@ -357,6 +357,7 @@ crashes. We highly recommend using `systemd` to supervise your app.
     WantedBy=default.target
 
     [Service]
+    WorkingDirectory=/home/{CRSid}/myapp
     ExecStart=/home/{CRSid}/myapp/run.sh
     Restart=always
     ```