Prepare changelog for 2.0

Changelog.md

@@ -1,5 +1,46 @@
 # CHANGELOG.md
 
+## 2.0 (2022-09-19) Dockerify https://redmine.ungleich.ch/issues/10884
+
+Steps:
+ - Create .env.prod and .env.prod.db files
+
+#### .env.prod
+```
+DEBUG=0
+SECRET_KEY=secret_key_here
+DJANGO_ALLOWED_HOSTS=localhost 127.0.0.1 [::1]
+DJANGO_SETTINGS_MODULE=gmba_django.settings.production
+ALLOWED_HOSTS=localhost,127.0.0.1,[::1]
+SQL_ENGINE=django.db.backends.postgresql
+SQL_DATABASE=psql_db_name
+SQL_USER=psql_username_name
+SQL_PASSWORD=psql_passwordd
+SQL_HOST=db
+SQL_PORT=5432
+```
+
+#### .env.prod.db
+```
+POSTGRES_USER=psql_username_name
+POSTGRES_PASSWORD=psql_passwordd
+POSTGRES_DB=psql_db_name
+```
+
+Building containers
+ - docker-compose -f docker-compose.prod.yml down -v --remove-orphans
+ - docker-compose -f docker-compose.prod.yml up -d --build
+
+Copy db and adust
+ - docker cp gd.sql gmba_django_db_1:/gd.sql
+ - docker-compose exec db psql --username=psql_username_name --dbname=psql_db_name < /gd.sql
+
+Migrate / check
+ - docker-compose exec web python manage.py migrate --noinput
+
+Static resources
+ - docker-compose -f docker-compose.prod.yml exec web python manage.py collectstatic --no-input --clear
+
 ## 1.12 (2022-01-19)
 
 Bugfixes: