Add CI workflow for Java project with Gradle

.github/workflows/CITest.yml

@@ -0,0 +1,67 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+# This workflow will build a Java project with Gradle and cache/restore any dependencies to improve the workflow execution time
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-gradle
+
+name: Java CI with Gradle
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up JDK 17
+      uses: actions/setup-java@v4
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+
+    # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
+    # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
+    - name: Setup Gradle
+      uses: gradle/actions/setup-gradle@af1da67850ed9a4cedd57bfd976089dd991e2582 # v4.0.0
+
+    - name: Build with Gradle Wrapper
+      run: ./gradlew build
+
+    # NOTE: The Gradle Wrapper is the default and recommended way to run Gradle (https://docs.gradle.org/current/userguide/gradle_wrapper.html).
+    # If your project does not have the Gradle Wrapper configured, you can use the following configuration to run Gradle with a specified version.
+    #
+    # - name: Setup Gradle
+    #   uses: gradle/actions/setup-gradle@af1da67850ed9a4cedd57bfd976089dd991e2582 # v4.0.0
+    #   with:
+    #     gradle-version: '8.9'
+    #
+    # - name: Build with Gradle 8.9
+    #   run: gradle build
+
+  dependency-submission:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up JDK 17
+      uses: actions/setup-java@v4
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+
+    # Generates and submits a dependency graph, enabling Dependabot Alerts for all project dependencies.
+    # See: https://github.com/gradle/actions/blob/main/dependency-submission/README.md
+    - name: Generate and submit dependency graph
+      uses: gradle/actions/dependency-submission@af1da67850ed9a4cedd57bfd976089dd991e2582 # v4.0.0

Dockerfile

@@ -1,8 +1,23 @@
-FROM openjdk:8-jre-alpine
+# ===== Stage 1: Build =====
+FROM eclipse-temurin:8-jdk AS builder
 
-EXPOSE 8080
+WORKDIR /app
+
+# Copy only necessary files first (better caching)
+COPY gradlew .
+COPY gradle gradle
+COPY build.gradle .
+COPY settings.gradle .
+COPY src src
+
+RUN chmod +x gradlew
+RUN ./gradlew clean build -x test --no-daemon
 
-COPY ./build/libs/my-app-1.0-SNAPSHOT.jar /usr/app/
-WORKDIR /usr/app
+# ===== Stage 2: Final small image =====
+FROM eclipse-temurin:8-jre-alpine
 
-ENTRYPOINT ["java", "-jar", "my-app-1.0-SNAPSHOT.jar"]
+WORKDIR /app
+COPY --from=builder /app/build/libs/java-app-1.0-SNAPSHOT.jar app.jar
+
+EXPOSE 8080
+ENTRYPOINT ["java", "-jar", "app.jar"]

Jenkinsfile

@@ -0,0 +1,29 @@
+pipeline {
+    agent any
+
+    environment {
+        IMAGE_NAME = "sherry31/my-project"
+    }
+
+    stages {
+        stage('Checkout') {
+            steps {
+                checkout scm
+            }
+        }
+
+        stage('Build & Push Docker Image') {
+            steps {
+                script {
+                    def dockerImage = docker.build("${IMAGE_NAME}:${env.BUILD_NUMBER}", "--no-cache .")
+                    dockerImage.tag("latest")
+
+                    docker.withRegistry('https://index.docker.io/v1/', 'dockerhub-credentials') {
+                        dockerImage.push("${env.BUILD_NUMBER}")
+                        dockerImage.push("latest")
+                    }
+                }
+            }
+        }
+    }
+}

README.md

@@ -9,4 +9,10 @@
 ##### push image to repo 
 
     docker tag java-app demo-app:java-1.0
+
+###### Testing jenkins
+    jenkins testtt
+
+##### Testing WebHooks auto push
+test test test hooks