adding github actions workflow.

.github/dependabot.yml

@@ -0,0 +1,13 @@
+version: 2
+updates:
+  - package-ecosystem: "maven"
+    directory: "/"
+    target-branch: "master"
+    schedule:
+      interval: daily
+
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/maven.yml

@@ -0,0 +1,55 @@
+
+name: Java CI
+
+on: 
+  push:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Java ${{ matrix.java }}
+    strategy:
+      matrix:
+        java: [17,21]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK ${{ matrix.java }}
+        uses: actions/setup-java@v3
+        with:
+          java-version: ${{ matrix.java }}
+          distribution: 'temurin'
+
+      - name: Cache local Maven repository
+        uses: actions/cache@v3
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+
+      - uses: browser-actions/setup-firefox@latest
+      - uses: browser-actions/setup-chrome@latest
+
+      - name: Validate with Maven
+        run: ./mvnw -B clean validate
+
+      - name: Static validation with Maven
+        run: ./mvnw -B -Pcheck-duplicate,check-checkstyle,check-cycles,check-cpd,check-pmd,check-spotbugs,check-dependency -DskipTests=true -Dmaven.compiler.source=${{ matrix.java }} -Dmaven.compiler.target=${{ matrix.java }} install
+
+      - name: Tests with Maven
+        run: ./mvnw -B -DwebDriverType=chrome verify
+
+      - uses: codecov/codecov-action@v3
+        with:
+          fail_ci_if_error: true
+
+      - name: Sonarqube with Maven
+        env:
+          # to get access to secrets.SONAR_TOKEN, provide GITHUB_TOKEN
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        if: ${{ matrix.java == 17 && github.event_name == 'push' && github.ref_name == 'master' && github.repository_owner == 'devops-education' }}
+        run: ./mvnw -Dsonar.login=${{ secrets.SONAR_TOKEN }} -Pcheck-sonarqube sonar:sonar
+

pom.xml

@@ -28,7 +28,7 @@
         <plantuml-maven-plugin.version>0.2.6</plantuml-maven-plugin.version>
 
         <!-- check library versions -->
-        <decycle-maven-plugin.version>1.0.0</decycle-maven-plugin.version>
+        <decycle-maven-plugin.version>1.1.0</decycle-maven-plugin.version>
         <spotbugs-maven-plugin.version>4.7.3.6</spotbugs-maven-plugin.version>
         <findsecbugs-plugin.version>1.12.0</findsecbugs-plugin.version>
         <findbugs-annotations.version>3.0.1</findbugs-annotations.version>
@@ -506,6 +506,7 @@
                         <artifactId>spotbugs-maven-plugin</artifactId>
                         <executions>
                             <execution>
+                                <phase>process-test-classes</phase>
                                 <goals>
                                     <goal>check</goal>
                                 </goals>