add ci yaml

.github/workflows/ci.yaml

@@ -0,0 +1,38 @@
+name: CI
+on: [push]
+jobs:
+  k8s_yaml_validator:
+    runs-on: ubuntu-latest
+    steps:
+      - name: login to Github Packages
+        run: echo "${{ github.token }}" | docker login https://ghcr.io -u ${GITHUB_ACTOR} --password-stdin
+
+      - uses: actions/checkout@v2
+      - uses: docker://ghcr.io/yannh/kubeconform:latest
+        with:
+          entrypoint: '/kubeconform'
+          args: "-summary -output json k8s/"
+
+  secret_scanning:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Secret Scanning
+      uses: trufflesecurity/trufflehog@main
+
+  build_image:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Build Docker image
+        uses: docker/build-push-action@v2
+        with:
+          context: ./app
+          file: ./app/Dockerfile
+          push: false
+          tags: app-local