sw version upgraded and fixes

mvn and java upgrade
class name fix
mvn fix

new podman ui adjustment

Author: dmarrazzo

documentation/modules/ROOT/assets/images/podman-desktop-pod-play.png

@@ -29,7 +29,7 @@ import jakarta.ws.rs.Produces;
 import jakarta.ws.rs.core.MediaType;
 
 @Path("/hello")
-public class HelloResource {
+public class GreetingResource {
 
     @ConfigProperty(name = "config")
     Optional<String> config;

documentation/modules/ROOT/pages/env.adoc

@@ -101,7 +101,7 @@ The Podman or Docker CLI offer many ways to manage container images. You can fin
 [.console-input]
 [source,bash,subs="+macros,+attributes"]
 ----
-docker image -h
+podman image -h
 ----
 
 [.console-output]
@@ -145,7 +145,7 @@ Let's try to remove your just created image:
 [.console-input]
 [source,bash,subs="+macros,+attributes"]
 ----
-docker image rm my-image
+podman image rm my-image
 ----
 
-Great! You're well on your way to becoming a Container Image expert :)
+Great! You're well on your way to becoming a Container Image expert :)

documentation/modules/ROOT/pages/imagemanagement.adoc

@@ -44,14 +44,20 @@ We can also print the VM settings of this container:
 java -XshowSettings:vm -version
 ----
 
-See Maven's installed version:
+Since you are not in your host machine, `mvn` cannot be found:
 
 [.console-input]
 [source,bash,subs="+macros,+attributes"]
 ----
 mvn -v
 ----
 
+[.console-output]
+[source,bash,subs="+macros,+attributes"]
+----
+bash: mvn: command not found
+----
+
 And even check the OS version details:
 
 [.console-input]

documentation/modules/ROOT/pages/inside.adoc

@@ -39,7 +39,13 @@ image::podman-desktop-nginx.png[alt="Podman Desktop running nginx", align="cente
 
 == Creating a Pod
 
-Podman also allows you to create pods, which are groups of containers that share the same network and storage. This is useful for applications that require multiple containers to run together, such as a database and web server. To create a pod, click the *Play Kubernetes YAML* button in the *Pods* tab. This will bring up a dialog where you select the Kubernetes YAML, and apply it to either Podman or a Kubernetes cluster. For this example, we'll create a `podman-desktop-pod.yaml` file with the following content.
+Podman also allows you to create pods, which are groups of containers that share the same network and storage. This is useful for applications that require multiple containers to run together, such as a database and web server. 
+
+Before creating the pod, make sure to pull another image:
+
+* Repeat the steps above to *pull* another image from the registry: `postgres:latest`.
+
+Create a new file named `podman-desktop-pod.yaml` with the following content:
 
 [.console-input]
 [source,bash,subs="+macros,+attributes"]
@@ -65,7 +71,16 @@ spec:
       value: mysecretpassword
 ----
 
-This YAML file will create a pod with two containers, one running nginx and the other running PostgreSQL. The YAML file can be applied to the Podman engine by clicking the *Play* button after selecting the file. This will create the pod and start the containers.
+
+This YAML file will create a pod with two containers, one running nginx and the other running PostgreSQL:
+
+1. Click on the *Play Kubernetes Yaml* button in the top right corner.
+
+2. Click on the *file* button and select the previously created YAML file.
+
+3. Click on the *Play* button to launch the pod.
+
+4. Click on the *Done* button.
 
 image::podman-desktop-pod-play.png[alt="Podman Desktop Pod Create", align="center"]
 

documentation/modules/ROOT/pages/podman-desktop.adoc

@@ -18,12 +18,14 @@ TIP: By default, the commands in this tutorial are using podman, but you can use
 | https://podman-desktop.io/downloads[Podman Desktop for Linux, window="_blank"]
 | https://podman-desktop.io/downloads[Podman Desktop for Windows, window="_blank"]
 
-| **Java 21 (or 17)**
-| https://adoptium.net/installation/
+| **Java 21**
 | https://adoptium.net/installation/
+| https://adoptium.net/installation/ alternatively: 
+
+`dnf install java-21-openjdk-devel`
 | https://adoptium.net/installation/ (Make sure you set the `JAVA_HOME` environment variable and add `%JAVA_HOME%\bin` to your `PATH`)
 
-| **Apache Maven 3.6.2+**
+| **Apache Maven 3.9.9+**
 | `brew install maven`
 | `dnf install maven`
 | https://maven.apache.org/download.cgi[Windows] (Make sure you set the `MAVEN_HOME` environment variable and add `%MAVEN_HOME%\bin` to your `PATH`)