feat(trade-dashboard): add GitHub Actions CI/CD pipeline

- Build and push Docker image to ghcr.io on push to master
- Update deployment to pull from ghcr.io instead of GCR
- Tags: commit SHA + latest on default branch

.github/workflows/trade-dashboard.yml

@@ -0,0 +1,52 @@
+name: Build and Push Trade Dashboard
+
+on:
+  push:
+    branches: [master]
+    paths:
+      - 'apps/base/customer1/trade-dashboard/**'
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository_owner }}/trade-dashboard
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=sha,prefix=
+            type=raw,value=latest,enable={{is_default_branch}}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: apps/base/customer1/trade-dashboard
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

apps/base/customer1/trade-dashboard/deployment.yaml

@@ -22,7 +22,7 @@ spec:
       terminationGracePeriodSeconds: 30
       containers:
         - name: dashboard
-          image: us-central1-docker.pkg.dev/devops-lab-cluster/customer1/trade-dashboard:latest
+          image: ghcr.io/sirius0xdev/trade-dashboard:latest
           imagePullPolicy: Always
           ports:
             - containerPort: 8000