diff --git a/.gitea/workflows/main-build.yml b/.gitea/workflows/main-build.yml
index 329aa96..21b824d 100644
--- a/.gitea/workflows/main-build.yml
+++ b/.gitea/workflows/main-build.yml
@@ -1,15 +1,15 @@
-name: Master-Build
+name: Main-Build
 
 on:
   push:
-    branches: ["master"]
+    branches: ["main"]
 
 jobs:
-  build-war:
+  build-and-push:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout source
+      - name: Checkout
         uses: actions/checkout@v4
 
       - name: Set up JDK 8
@@ -18,34 +18,21 @@ jobs:
           distribution: temurin
           java-version: "8"
 
-      - name: Cache Maven repo
-        uses: actions/cache@v4
-        with:
-          path: ~/.m2
-          key: m2-${{ runner.os }}-${{ hashFiles('**/pom.xml') }}
-          restore-keys: |
-            m2-${{ runner.os }}-
+      - name: Maven Build WAR
+        run: mvn -B clean package -DskipTests
 
-      - name: Configure Maven Settings for Nexus
+      - name: Docker login to Harbor
         run: |
-          mkdir -p ~/.m2
-          cat > ~/.m2/settings.xml <<EOF
-          <settings>
-            <servers>
-              <server>
-                <id>nexus</id>
-                <username>${{ secrets.NEXUS_USERNAME }}</username>
-                <password>${{ secrets.NEXUS_PASSWORD }}</password>
-              </server>
-            </servers>
-          </settings>
-          EOF
+          echo "${{ secrets.HARBOR_PASSWORD }}" | docker login harbor.sayinfo.co.kr -u ${{ secrets.HARBOR_USERNAME }} --password-stdin
 
-      - name: Maven deploy (WAR to Nexus)
-        run: mvn -B clean deploy -DskipTests
+      - name: Build Docker image
+        run: |
+          docker build -t sayit-helpdesk:latest .
 
-      - name: Upload WAR artifact (optional)
-        uses: actions/upload-artifact@v4
-        with:
-          name: sayit-helpdesk-war
-          path: target/sayit.helpdesk.war
+      - name: Tag image for Harbor
+        run: |
+          docker tag sayit-helpdesk:latest harbor.sayinfo.co.kr/helpdesk/helpdesk-service:latest
+
+      - name: Push image to Harbor
+        run: |
+          docker push harbor.sayinfo.co.kr/helpdesk/helpdesk-service:latest