update README.md

README.md

@@ -179,17 +179,25 @@ docker pull registry.gitlab.eox.at/esa/prism/vs/pvs_cache
 docker pull registry.gitlab.eox.at/esa/prism/vs/pvs_preprocessor
 docker pull registry.gitlab.eox.at/esa/prism/vs/pvs_client
 ```
+Create external network for stack to run:
+```
+docker network create -d overlay vhr18-extnet
+docker network create -d overlay emg-extnet
+```
+Add following .env files with credentials to the cloned copy of the repository /env folder: `vhr18_db.env`, `vhr18_obs.env`, `vhr18_django.env`.
 
 Deploy the stack:
 ```
 docker stack deploy -c docker-compose.vhr18.yml -c docker-compose.vhr18.dev.yml vhr18-pvs  # start VHR_IMAGE_2018 stack in dev mode, for example to use local sources
 docker stack deploy -c docker-compose.emg.yml -c docker-compose.emg.dev.yml emg-pvs  # start Emergency stack in dev mode, for example to use local sources
-
-docker exec -it $(docker ps -qf "name=vhr18-pvs_renderer") /bin/bash
-cd /var/www/pvs/dev/pvs_instance
-python manage.py runserver 0.0.0.0:8080
 ```
+First steps:
+```
+# To register first data, use the following command inside the registrar container:
+UPLOAD_CONTAINER=<product_bucket_name> && python3 registrar.py --objects-prefix <product_object_storage_item_prefix>
+# To see the catalog opensearch response in the attached web client, a browser CORS extension needs to be turned on.
 
+```
 Tear town stack including data:
 
 ```bash
@@ -201,16 +209,6 @@ docker volume rm vhr18-pvs_cache-db
 docker volume rm vhr18-pvs_instance-data
 ```
 
-Generate mapcache.sqlite
-
-```bash
-docker exec -it $(docker ps -qf "name=vhr18-pvs_renderer") python3 /var/www/pvs/dev/pvs_instance/manage.py mapcache sync -f
-docker exec -it $(docker ps -qf "name=vhr18-pvs_renderer") mv VHR_IMAGE_2018.sqlite /cache-db/vhr18_mapcache_cache.sqlite
-
-docker exec -it $(docker ps -qf "name=emg-pvs_renderer") python3 /var/www/pvs/dev/pvs_instance/manage.py mapcache sync -f
-docker exec -it $(docker ps -qf "name=emg-pvs_renderer") mv Emergency.sqlite /cache-db/emg_mapcache_cache.sqlite
-```
-
 # Documentation
 
 ## Installation