#93 - Use JDK17 in Gitpod.

* Use lightweight Gitpod image providing JDK17

* Add small remark about browser preview in Gitpod

* Remove call to maven verify phase to speed up things for students

.gitpod.yml

@@ -1,8 +1,9 @@
+image: gitpod/workspace-java-17
 ports:
   - port: 8080
     onOpen: open-preview
 tasks:
-  - init: ./mvnw clean verify
+  - name: Run Guestbook Application
     command: ./mvnw spring-boot:run
 vscode:
   extensions:

readme.adoc

@@ -14,7 +14,8 @@ http://gitpod.io/[GitPod] is a cloud IDE that allows you to work with a project
 
 1. Click https://gitpod.io/#https://github.com/st-tu-dresden/guestbook[this link] to open the project in GitPod.
 2. Wait for the build to finish (see progress in the console view).
-3. Once the website opens in the embedded preview browser, the project is ready to be worked with.
+3. Once the website opens in the embedded preview browser, the project is ready to be worked with. 
+You might need to click on the __Open in browser__ button besides the URL in the embededed preview browser.
 
 === Local machine