diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index ff5be74..a473e96 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -20,11 +20,15 @@ jobs:
           java-version: '17'
           distribution: 'temurin'
 
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
+      - name: Set environment variables
+        run: |
+          echo "CONFIG_SERVER_URL=${{secrets.CONFIG_SERVER_URL}}" >> $GITHUB_ENV
 
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+      - name: Substitute variables in application.yml
+        run: |
+          apt-get update && apt-get install -y gettext-base
+          envsubst < src/main/resources/application.yml > src/main/resources/application.yml.temp
+          mv src/main/resources/application.yml.temp src/main/resources/application.yml
 
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
@@ -49,7 +53,10 @@ jobs:
           password: ${{ secrets.DOCKERHUB_PASSWORD }}
 
       - name: Build docker image
-        run: docker buildx build --platform linux/amd64,linux/arm64 -t ${{ secrets.DOCKERHUB_USERNAME }}/eureka-server:latest --push -f Dockerfile .
+        run: docker build --build-arg KAFKA_BOOTSTRAP_SERVERS=${{ secrets.KAFKA_BOOTSTRAP_SERVERS }} -t ${{ secrets.DOCKERHUB_USERNAME }}/eureka-server:latest -f Dockerfile .
+
+      - name: Push docker hub
+        run: docker push ${{ secrets.DOCKERHUB_USERNAME }}/eureka-server:latest
 
   run-docker-image-on-ec2:
     needs: build-docker-image
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 49a878d..11a4580 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -1,3 +1,3 @@
 spring:
   config:
-    import: optional:configserver:http://52.79.127.196:8071
\ No newline at end of file
+    import: optional:configserver:${CONFIG_SERVER_URL}
\ No newline at end of file