feat(security): restructure Trivy scans for improved clarity and organization

.github/workflows/trivy_security_scans.yml

@@ -13,35 +13,14 @@ on:
     - cron: "0 8 * * 1" # Weekly scan on Mondays at 8 AM UTC
 
 jobs:
-  trivy-scan:
-    name: Trivy Filesystem & Docker Image Scan
+  filesystem-scan:
+    name: Trivy Filesystem Scan (Source Code)
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Set up Docker Buildx (for consistent image builds)
-        uses: docker/setup-buildx-action@v3
-
-      - name: Login to GitHub Container Registry (optional, if pushing images)
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Build Docker image
-        run: docker build -t adventurelog:latest .
-
-      - name: Scan Docker image with Trivy
-        uses: aquasecurity/trivy-action@master
-        with:
-          image-ref: adventurelog:latest
-          format: table
-          exit-code: 1
-          ignore-unfixed: true
-
       - name: Scan source code (Filesystem) with Trivy
         uses: aquasecurity/trivy-action@master
         with:
@@ -50,3 +29,44 @@ jobs:
           format: table
           exit-code: 1
           ignore-unfixed: true
+
+  image-scan:
+    name: Trivy Docker Image Scan (Backend & Frontend)
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      # Optional login step (remove if you're not pushing images to GHCR)
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build backend Docker image
+        run: docker build -t adventurelog-backend ./backend
+
+      - name: Build frontend Docker image
+        run: docker build -t adventurelog-frontend ./frontend
+
+      - name: Scan backend Docker image with Trivy
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: adventurelog-backend
+          format: table
+          exit-code: 1
+          ignore-unfixed: true
+
+      - name: Scan frontend Docker image with Trivy
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: adventurelog-frontend
+          format: table
+          exit-code: 1
+          ignore-unfixed: true