Update GitHub Actions workflow and build scripts

.github/workflows/main.yaml

@@ -1,10 +1,12 @@
-name: Main workflow
 on: push
 jobs:
   Build:
     runs-on: ubuntu-latest
     container: gradle:6-jdk11
     steps:
-      - name: Clone-down
+      - name: Clone down repository
         uses: actions/checkout@v4       
-      - run: ci/build-app.sh
+      - name: Build application
+        run: ci/build-app.sh
+      - name: Test
+        run: ci/unit-test-app.sh

labs/build-app.md

@@ -43,7 +43,7 @@ jobs:
     runs-on: ubuntu-latest
     container: gradle:6-jdk11
     steps:
-      - name: Clone-down
+      - name: Clone down repository
         uses: actions/checkout@v4       
       - run: chmod +x ci/build-app.sh && ci/build-app.sh
 ```
@@ -56,12 +56,15 @@ A line-by-line explanation of the above:
 - **Line 4-5**: Defines a job named `Build` that runs on an Ubuntu VM.
 - **Line 6**: Specifies that the job should run in a container with the image `gradle:6-jdk11`.
 - **Line 7**: Defines the steps that should be executed in the job.
-- **Line 8-9**: Checks out the repository's content to the runner, enabling subsequent steps to access it.
-- **Line 10**: Runs the `build-app.sh` script.
+- **Line 8**: A step named `Clone down repository`
+- **Line 9**: Uses the action `actions/checkout@v4`, to clone down the repository's content to the runner, enabling subsequent steps to access it.
+- **Line 10**: Runs the `build-app.sh` script found in the `ci` directory of the repository.
 
 
 This workflow is a basic example that provides insights into the event type, branch reference, and repository structure when code is pushed to it.
 
+If you want to see what `build-app.sh` is doing, look into [the script](../ci/build-app.sh). 
+
 ## Task
 
 - Replase the workflow you created in `.github/workflows/main.yml` with the above example.
@@ -81,28 +84,42 @@ git push
 
 - Go to Github Actions tab of the repository and check the action status.
 
-## Results
-
-You should see something like this in the logs of Github Actions:
+### Results 
+See that the build runs green and outputs this in the step log:
 
 ```bash
-#!/bin/sh -eo pipefail
-echo 'Hello World!'
+Run ./ci/build-app.sh
 
-Hello World!
-```
+Welcome to Gradle 6.9!
+
+Here are the highlights of this release:
+ - This is a small backport release.
+ - Java 16 can be used to compile when used with Java toolchains
+ - Dynamic versions can be used within plugin declarations
+ - Native support for Apple Silicon processors
 
-**Manually triggering the workflow**
+For more details see https://docs.gradle.org/6.9/release-notes.html
 
-You can also trigger the workflow manually by clicking the `Run workflow` button.
+Starting a Gradle Daemon (subsequent builds will be faster)
+> Task :clean UP-TO-DATE
 
-![run-workflow](img/run-workflow.png)
+> Task :compileJava
+Note: Creating bean classes for 3 type elements
 
-- Click on the `Run workflow` button and click `Run workflow` again in the popup.
-- Go to the `Actions` tab and see the workflow running again, this time with the `workflow_dispatch` event.
+> Task :processResources
+> Task :classes
+> Task :shadowJar
 
+Deprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.
+Use '--warning-mode all' to show the individual deprecation warnings.
+See https://docs.gradle.org/6.9/userguide/command_line_interface.html#sec:command_line_warnings
+
+BUILD SUCCESSFUL in 28s
+4 actionable tasks: 3 executed, 1 up-to-date
+```
 
 ## Summary
-Congratulations! 
 
-You have successfully created the first Github Actions workflow, and ran it successfully :tada:.
+Congratulations, you have now build the java application!
+
+But we have some way to go yet, we want to build a docker image, and run some tests on it as well.

labs/extend-pipeline.md

@@ -28,12 +28,12 @@ If you strugle and need to see the whole ***Solution*** you can extend the secti
       runs-on: ubuntu-latest
       container: gradle:6-jdk11
       steps:
-        - name: Clone-down
+        - name: Clone down repository
           uses: actions/checkout@v4       
         - name: Build application
-          run: chmod +x ci/build-app.sh && ci/build-app.sh
+          run: ci/build-app.sh
         - name: Test
-          run: chmod +x ci/unit-test-app.sh && ci/unit-test-app.sh
+          run: ci/unit-test-app.sh
 
   ```
 

trainer/.github/workflows/build-and-test.yaml

@@ -0,0 +1,12 @@
+on: push
+jobs:
+  Build:
+    runs-on: ubuntu-latest
+    container: gradle:6-jdk11
+    steps:
+      - name: Clone down repository
+        uses: actions/checkout@v4       
+      - name: Build application
+        run: ci/build-app.sh
+      - name: Test
+        run: ci/unit-test-app.sh