Update download-and-launch.adoc

modules/applications/pages/download-and-launch.adoc

@@ -6,6 +6,11 @@
 For Subscription editions only.
 ====
 
+== Pre-requisites 
+* Docker installed
+* Nginx installed
+
+
 == Create the docker environment
 
 - Create a `docker-compose.yml` file with the content below:
@@ -175,7 +180,7 @@ Run the following command to launch Bonita UI Builder:
 docker compose up -d
 ----
 
-Then, you can access Bonita UI Builder at `http://localhost`.
+Then, you can access Bonita UI Builder at `http://localhost:8090`.
 
 [NOTE]
 ====
@@ -189,7 +194,7 @@ To use Bonita UI Builder, a Bonita runtime running on your local machine is requ
 Using the provided docker and nginx files above without modification, make sure that the Bonita runtime is accessible at `http://localhost:8080`.
 
 [TIP]
-You can change the Bonita runtime port by updating the `docker-compose.yml` file and the `nginx.conf` file.
+You can change the Bonita runtime port by a port different than 8080. To do so, change the value `BONITA_API_URL` in the `docker-compose.yml` file and changing the value of `server host.docker.internal` in the `nginx.conf` file.
 
 == Authenticate with the UI Builder