diff --git a/.github/workflows/image_scan.yml b/.github/workflows/image_scan.yml
new file mode 100644
index 000000000..ad9ff851c
--- /dev/null
+++ b/.github/workflows/image_scan.yml
@@ -0,0 +1,19 @@
+name: scan_image_for_CVE
+on:
+  # Every day at  00:00
+  schedule:
+   - cron: "0 0 * * *"
+jobs:
+  scan_image:
+    name: Scan compute worker image with Trivy
+    runs-on: ubuntu-latest
+    steps:
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@v0.36.0
+        with:
+          image-ref: 'codalab/codabench-compute-worker:latest'
+          format: 'table'
+          exit-code: '1'
+          pkg-types: 'os,library'
+          severity: 'CRITICAL,HIGH'
+          scanners: 'vuln'
diff --git a/.github/workflows/tests.yml.DISABLED b/.github/workflows/tests.yml.DISABLED
deleted file mode 100644
index 91e5ee27a..000000000
--- a/.github/workflows/tests.yml.DISABLED
+++ /dev/null
@@ -1,63 +0,0 @@
-name: build_and_test
-on: [push]
-jobs:
-  build:
-    name: Build necessary services
-    # runs-on: self-hosted
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out repository code
-        uses: actions/checkout@v5
-      - name: "Setup: Copy environment variables"
-        run: cp .env_circleci .env
-      - name: "Setup: Create directories for MinIO (cannot be made by docker for some reason)"
-        run: | 
-         mkdir -p var/minio/public
-         mkdir -p var/minio/private
-      - name: "Setup: Prepare the playwright environment"
-        run: |
-            cd playwrightPython
-            curl -LsSf https://astral.sh/uv/install.sh | sh
-            $HOME/.local/bin/uv sync
-            $HOME/.local/bin/uv run playwright install
-      - name: "Docker: Build containers and collect static files"
-        run: |
-            docker compose -f docker-compose.yml -f docker-compose.selenium.yml up -d
-            docker compose -f docker-compose.yml -f docker-compose.selenium.yml exec django python manage.py collectstatic --noinput
-            docker compose -f docker-compose.yml -f docker-compose.selenium.yml exec django python manage.py migrate
-            docker compose -f docker-compose.yml exec django python ./manage.py createsuperuser --no-input
-      - name: "Docker: Pull required images"
-        run: |
-            docker pull codalab/codalab-legacy:py37
-            docker pull codalab/codalab-legacy:py3
-  linter:
-    name: Flake8 linter
-    runs-on: self-hosted
-    needs: [build]
-    steps:
-      - name: "Lint: Check code style with flake8"
-        run: docker compose exec django flake8 src/
-  unit_tests:
-    name: Unit test with Selenium
-    runs-on: self-hosted
-    needs: [linter,build]
-    steps:
-      - name: "Tests: Run unit/integration tests (excluding e2e)"
-        run: docker compose -f docker-compose.yml -f docker-compose.selenium.yml exec django py.test src/ -m "not e2e"
-  e2e:
-    name: End to End tests with Playwright
-    runs-on: self-hosted
-    needs: [linter,build]
-    steps:
-      - name: "Tests: Run end-to-end (E2E) tests"
-        run: cd playwrightPython && $HOME/.local/bin/uv run pytest test_auth.py test_account_creation.py test_competition.py test_submission.py
-  cleanup:
-    name: Cleanup
-    runs-on: self-hosted
-    if: ${{ always() }}
-    needs: [unit_tests,e2e,linter]
-    steps:
-      - name: Cleanup
-        run: |
-            docker compose -f docker-compose.yml -f docker-compose.selenium.yml down --rmi all
-            rm -rf ${{ github.workspace }}/* 
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