yml 수정

Author: jermany17

.github/workflows/maven.yml

@@ -25,6 +25,12 @@ jobs:
       - name: Build JAR with Maven Wrapper
         run: ./mvnw package -DskipTests
 
+      - name: Set environment variables (IMAGE_NAME, VERSION)
+        run: |
+          VERSION=$(echo "${{ github.sha }}" | cut -c1-7)
+          echo "VERSION=$VERSION" >> $GITHUB_ENV
+          echo "IMAGE_NAME=jermany17/another-web-project" >> $GITHUB_ENV
+
       - name: Set up Docker
         uses: docker/setup-buildx-action@v3
 
@@ -34,15 +40,11 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
-      - name: Build Docker image with short commit SHA
-        run: |
-          VERSION=$(echo "${{ github.sha }}" | cut -c1-7)
-          echo "VERSION=$VERSION" >> $GITHUB_ENV
-          echo "IMAGE_NAME=jermany17/another-web-project" >> $GITHUB_ENV
-          docker build -t jermany17/another-web-project:$VERSION .
+      - name: Build Docker image
+        run: docker build -t ${{ env.IMAGE_NAME }}:${{ env.VERSION }} .
 
       - name: Push Docker image
-        run: docker push $IMAGE_NAME:${{ env.VERSION }}
+        run: docker push ${{ env.IMAGE_NAME }}:${{ env.VERSION }}
 
       - name: Deploy to EC2 via SSH
         uses: appleboy/ssh-action@v1.0.3
@@ -52,6 +54,6 @@ jobs:
           key: ${{ secrets.EC2_SSH_KEY }}
           script: |
             docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}
-            docker pull $IMAGE_NAME:${{ env.VERSION }}
+            docker pull ${{ env.IMAGE_NAME }}:${{ env.VERSION }}
             docker stop app || true && docker rm app || true
-            docker run -d --name app --env-file .env -p 8080:8080 $IMAGE_NAME:${{ env.VERSION }}
+            docker run -d --name app --env-file .env -p 8080:8080 ${{ env.IMAGE_NAME }}:${{ env.VERSION }}