build: Create Jenkinsfile

Jenkinsfile

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+pipeline {
+    agent any
+
+    environment {
+        DISCORD_WEBHOOK = credentials('discord-webhook')
+    }
+
+    tools {
+        jdk 'OpenJDK17'
+    }
+
+    stages {
+        stage('Checkout') {
+            steps {
+                checkout scm
+            }
+        }
+
+        stage('Build MySQL Service') {
+            steps {
+                script {
+                    // Docker로 MySQL 컨테이너 띄우기 (jenkins 서버에 Docker가 설치되어 있어야 함)
+                    sh '''
+                    docker run -d \
+                        --name mysql-ci \
+                        -e MYSQL_DATABASE=${DB_NAME} \
+                        -e MYSQL_ROOT_PASSWORD=root \
+                        -e MYSQL_USER=homeaid_user \
+                        -e MYSQL_PASSWORD=${DB_PASSWORD} \
+                        -p 3306:3306 \
+                        --health-cmd="mysqladmin ping -h localhost --silent" \
+                        --health-interval=10s \
+                        --health-timeout=5s \
+                        --health-retries=3 \
+                        mysql:latest
+
+                    # DB 준비 대기 (최대 60초)
+                    for i in {1..12}; do
+                        if docker exec mysql-ci mysqladmin ping -h localhost --silent; then
+                            echo "MySQL is ready!"
+                            break
+                        fi
+                        echo "Waiting for MySQL..."
+                        sleep 5
+                    done
+                    '''
+                }
+            }
+        }
+
+        stage('Build and Test') {
+            steps {
+                sh 'chmod +x ./gradlew'
+                withEnv([
+                    "DB_DRIVER=${DB_DRIVER}",
+                    "DB_HOST=${DB_HOST}",
+                    "DB_PORT=${DB_PORT}",
+                    "DB_NAME=${DB_NAME}",
+                    "DB_USERNAME=${DB_USERNAME}",
+                    "DB_PASSWORD=${DB_PASSWORD}"
+                ]) {
+                    sh './gradlew clean build'
+                }
+            }
+        }
+    }
+
+    post {
+        success {
+            script {
+                def message = """{
+                    "embeds": [{
+                        "title": "✅ CI 성공",
+                        "description": "**📦 Repository:** `${env.JOB_NAME}`\\n**🌿 Branch:** `${env.BRANCH_NAME}`\\n**👤 Triggered by:** `${env.BUILD_USER}`\\n[🔗 Jenkins 로그 확인하기](${env.BUILD_URL})",
+                        "color": 5763719
+                    }],
+                    "content": "✅ CI 통과: `${env.BRANCH_NAME}` 브랜치입니다!"
+                }"""
+                sh """
+                curl -H "Content-Type: application/json" \
+                     -X POST \
+                     -d '${message}' \
+                     ${DISCORD_WEBHOOK}
+                """
+            }
+        }
+        failure {
+            script {
+                def message = """{
+                    "embeds": [{
+                        "title": "❌ CI 실패",
+                        "description": "**📦 Repository:** `${env.JOB_NAME}`\\n**🌿 Branch:** `${env.BRANCH_NAME}`\\n**👤 Triggered by:** `${env.BUILD_USER}`\\n[🔗 Jenkins 로그 확인하기](${env.BUILD_URL})",
+                        "color": 16711680
+                    }],
+                    "content": "❗ CI 실패 발생: `${env.BRANCH_NAME}` 브랜치 확인해주세요!"
+                }"""
+                sh """
+                curl -H "Content-Type: application/json" \
+                     -X POST \
+                     -d '${message}' \
+                     ${DISCORD_WEBHOOK}
+                """
+            }
+        }
+        always {
+            // Clean up MySQL container
+            sh '''
+            docker stop mysql-ci || true
+            docker rm mysql-ci || true
+            '''
+        }
+    }
+}