Created GeoNode Update (markdown)

GeoNode-Update.md

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+Using the source installer we can keep updating tracking the latest commits from the branch we are using.
+
+## Git
+You can choose to manage the lastest updates as it serves better to your usage, fetch and merge, cherry-pick or by a plain and simple pull.
+
+For simplicity purpose we'll go with git pull.
+
+## Geonode Repository
+The standard Geonode repository for this installer is,
+
+```
+/opt/geonode
+```
+
+## Collect static
+The staticfiles app collects static files from each of your applications (and any other places you specify) into a single location that can easily be served in production.
+
+Let's say someone updates a less file and created a new build of our styles you might need to run collectstatic
+
+## Migrations
+Migrations are Django’s way of propagating changes you make to your models (adding a field, deleting a model, etc.) into your database schema, if some of the latest changes some model has changed then migration is necessary.
+
+
+
+## Update steps
+
+Login and move to the repository directory and activate the venv,
+
+```
+su geonode
+
+cd /opt/geonode/
+workon geonode
+```
+
+Here you can use your preferred git strategy, for simplicity we'll fallback to git pull,
+
+```
+git pull
+```
+
+We'll run django updates all the time in order to avoid missing out some change that could impact one or the other on the latest commits,
+
+```
+python manage.py collectstatic --no-input
+
+python manage.py makemigrations
+python manage.py migrate
+
+```
+
+Restart uWSGI service
+
+```
+sudo service uwsgi restart
+```