updating docs for release v2.7.3

CHANGELOG.md

@@ -1,10 +1,13 @@
 # Changelog
 
 ## Unreleased
-- BigBlueButton 2.7.3 @alangecker
 
+## Release v2.7.3 (2023-12-08)
 
-## Release v2.7.0 (2023-09)
+**Breaking change!** make sure to read the [upgrading notes](https://github.com/bigbluebutton/docker/blob/develop/docs/upgrading.md)
+
+- BigBlueButton 2.7.3 @alangecker [#304](https://github.com/bigbluebutton/docker/pull/304)
+- use local sources instead of pulling inside container @alangecker [#307](https://github.com/bigbluebutton/docker/pull/307)
 - BigBlueButton 2.7.0 @alangecker [#291](https://github.com/bigbluebutton/docker/pull/291)
 - Update to ComposeV2 @leonidas-o [#271](https://github.com/bigbluebutton/docker/pull/271)
 - recordings: fix for missing `SHARED_SECRET` @ichdasich [#274](https://github.com/bigbluebutton/docker/issues/274) [#268](https://github.com/bigbluebutton/docker/issues/268)

docs/upgrading.md

@@ -1,16 +1,22 @@
 # How To Upgrade bbb-docker
 
+### Upgrading from `v2.6.x`
+- **Breaking change:** We use now Docker Compose V2
+    * make sure you have docker ≥ 23.0 installed (`$ docker -v`)
+    * update all usages of `docker-compose` to `docker compose` in your scripts
+
+apart from that follow the guide (_within v2.7.x_) below.
 
 ### Upgrading from `v2.5.x`
 
-- *Breaking change:* Greenlight got fully rewritten
+- **Breaking change:** Greenlight got fully rewritten
     * it is starting as a fresh installation. you can migrate your data with `./scripts/greenlight-migrate-v2-v3`
     * some greenlight settings under `.env` have changed. compare your version with `sample.env`
     * it is now served directly under `/` and not in `/b`. If you use an reverse proxy not included in this repo, ensure to update your config accordingly!
 
 apart from that follow the guide below.
 
-### from `v2.6.x` or within `v2.7.x`
+### within `v2.7.x`
 #### Backup
 if you use greenlight, create a database backup first
 ```bash
@@ -23,5 +29,5 @@ docker exec -t docker_postgres_1 pg_dumpall -c -U postgres > /root/greenlight_`d
 ./scripts/upgrade
 
 # restart updated services
-docker compose up -d
+docker compose up -d --no-build
 ```