diff --git a/README.md b/README.md
index 68ecae3216fbd1411b4b7747f769859d8b0c0348..78523ff76c0ffa920a9f74f68631e2895b44eeb5 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,8 @@ Currently they are still mostly the original ATDB diagrams. They will be adapted
 Datamodel:
   * https://drive.google.com/file/d/1v5hMBQS0jT8DQJwySVISfRa1zF4o0fCQ/view?usp=sharing  
 
+![](atdb/docs/ATDB-LDV%20Data%20Model.png)
+
 Workflow/Status Diagram:
   * https://drive.google.com/file/d/1BCrIwUfacOVqSN73VIIjUuBCXNYA67iK/view?usp=sharing
 
@@ -32,6 +34,8 @@ Workflow/Status Diagram:
 Deployment Diagram:
   * https://drive.google.com/file/d/1_j9Fp505pZTxcmzAEdgftdPkoIFrKfAX/view?usp=sharing
   
+![](atdb/docs/ATDB-LDV%20-%20Deployment%20Diagram.png)
+  
 ### Manual deploy in Docker
 For the `master' branch there is a CI/CD pipeline in place which builds and deploys the backend at https://sdc.astron.nl:5554/atdb/ 
 The deploy step requires pushing the 'play' button in the gitlab pipelines section. 
@@ -74,7 +78,7 @@ This is how to do that manually for a persistent database in a Docker container.
    
   
 ### Original ATDB diagrams
-These diagrams can be used as guidance to the original ATDB services, which can be harvested for functionality 
+These diagrams can be used as inspiration and guidance to the original ATDB services, which can be harvested for functionality. 
 
 ![](atdb/docs/ATDB%20Context%20Diagram.png)
 
diff --git a/atdb/Dockerfile b/atdb/Dockerfile
index d82909750244726df4688a39d8636faa4e66e6b5..cd7fc64720247d4924af5403c714d7087234b627 100644
--- a/atdb/Dockerfile
+++ b/atdb/Dockerfile
@@ -12,22 +12,7 @@ RUN \
  pip install -r requirements/prod.txt && \
  apk --purge del .build-deps
 
-# collect static files
-# RUN exec python manage.py collectstatic --settings=atdb.settings.docker_sdc --noinput
-
 # run gunicorn
 CMD exec gunicorn atdb.wsgi_docker_sdc:application --bind 0.0.0.0:8000 --workers 3
 
 
-
-# build the image like this:
-# docker build -t atdb-ldv:latest .
-
-# run the container from here, like this:
-# docker run -d --name atdb-ldv -p 8010:8000 --restart always atdb-ldv:latest
-
-# log into the container
-# docker exec -it atdb-ldv sh
-
-# tail logs
-# docker exec -it atdb-ldv tail -f logs/atdb.log
diff --git a/atdb/docs/ATDB-LDV - Deployment Diagram.png b/atdb/docs/ATDB-LDV - Deployment Diagram.png
new file mode 100644
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diff --git a/atdb/docs/ATDB-LDV Data Model.png b/atdb/docs/ATDB-LDV Data Model.png
new file mode 100644
index 0000000000000000000000000000000000000000..92fc76bba762b56b46e351d2c4303dffe6617b08
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diff --git a/atdb/taskdatabase/models.py b/atdb/taskdatabase/models.py
index 84b6251671125227385ec1a6b0b27ccfaf2c099e..c6eedf595612dbba0d1fecd959258494d396014f 100644
--- a/atdb/taskdatabase/models.py
+++ b/atdb/taskdatabase/models.py
@@ -82,7 +82,7 @@ class Observation(TaskObject):
     field_dec = models.FloatField('field_dec', null = True)
     skip_auto_ingest = models.BooleanField(default=False)
 
-    progress = models.CharField(max_length=40, default="", null=True)
+    progress = models.CharField(max_length=40, default="0%", null=True, blank=True)
 
     # this translates a view-name (from urls.py) back to a url, to avoid hardcoded url's in the html templates
     # bad : <td><a href="/atdb/observations/{{ observation.id }}/" target="_blank">{{ observation.taskID }} </a> </td>
diff --git a/atdb/taskdatabase/serializers.py b/atdb/taskdatabase/serializers.py
index f6b5a71a4beb6cd4c9c8c9462e7f36ddb11d3ce6..9698770316c3d543b53acfcabb289621926669fd 100644
--- a/atdb/taskdatabase/serializers.py
+++ b/atdb/taskdatabase/serializers.py
@@ -57,5 +57,5 @@ class ObservationSerializer(serializers.ModelSerializer):
                   'generated_dataproducts',
                   'data_location', 'node',
                   'skip_auto_ingest','observing_mode',
-                  'quality','progress')
+                  'quality','metadata','progress')