diff --git a/.github/workflows/ci-workflow.yml b/.github/workflows/ci-workflow.yml
new file mode 100644
index 0000000..7f06314
--- /dev/null
+++ b/.github/workflows/ci-workflow.yml
@@ -0,0 +1,46 @@
+name: SonarCloud
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  build:
+    name: Build and analyze
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: 17
+          distribution: 'temurin'
+          cache: 'gradle'
+
+      - name: grant permission to gradle
+        run: chmod +x gradlew
+
+      - name: Cache SonarCloud packages
+        uses: actions/cache@v4
+        with:
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar
+
+      - name: Build and analyze
+        env:
+          GITHUB_TOKEN: ${{ secrets.TOKEN }}  # Needed to get PR information, if any
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+        run: ./gradlew build sonar --info
+
+      - name: Backend CI Discord Notification
+        uses: sarisia/actions-status-discord@v1
+        if: ${{ failure() }}
+        with:
+          title: ❗️ Backend CI failed ❗️
+          webhook: ${{ secrets.DISCORD_URL }}
+          color: FF0000
diff --git a/build.gradle b/build.gradle
index e5ff970..3ad6605 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,6 +2,8 @@ plugins {
     id 'java'
     id 'org.springframework.boot' version '3.3.1'
     id 'io.spring.dependency-management' version '1.1.5'
+    id "org.sonarqube" version "4.4.1.3373"
+
 }
 
 group = 'gdsc.konkuk'
@@ -36,3 +38,12 @@ dependencies {
 tasks.named('test') {
     useJUnitPlatform()
 }
+
+// sonarqube plugins
+sonar {
+    properties {
+        property "sonar.projectKey", "gdsc-konkuk_platform-core"
+        property "sonar.organization", "gdsc-konkuk"
+        property "sonar.host.url", "https://sonarcloud.io"
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/gdsc/konkuk/platformcore/PlatformCoreApplication.java b/src/main/java/gdsc/konkuk/platformcore/PlatformCoreApplication.java
index b34cd6b..d319705 100644
--- a/src/main/java/gdsc/konkuk/platformcore/PlatformCoreApplication.java
+++ b/src/main/java/gdsc/konkuk/platformcore/PlatformCoreApplication.java
@@ -8,5 +8,6 @@ public class PlatformCoreApplication {
 
   public static void main(String[] args) {
     SpringApplication.run(PlatformCoreApplication.class, args);
+    System.out.println("TESTCITEST");
   }
 }