message: Update gitpodifying guide for postgres
diff: @@ -190,12 +190,12 @@ Many projects need a database to work properly. Here is how to install the most
  ### PostgreSQL
  -To get PostgreSQL for your project, you can use our dedicated [PostgreSQL image](https://github.com/gitpod-io/workspace-images/blob/d43c719bb2ff7b6849c0456fe21e3ca06c20168f/chunks/tool-postgresql/Dockerfile#L2) built on top of `gitpod/workspace-base`.
  +To get PostgreSQL for your project, you can use our dedicated [PostgreSQL image](https://github.com/gitpod-io/workspace-images/blob/main/chunks/tool-postgresql).
  -Simply base your `.gitpod.dockerfile` on:
  +Simply put the following line to your `.gitpod.yml` file:
  -```dockerfile
  -FROM gitpod/workspace-postgresql
  +```yaml
  +image: gitpod/workspace-postgres
  ```
  <br>
  