feat: initial landing page with K8s deploy config

- Nginx static serving with APP_URL env var
- K8s manifests for prod and staging
- Gitea Actions CI/CD pipeline

.gitea/workflows/deploy.yml

@@ -0,0 +1,52 @@
+name: Deploy
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  build-and-push-prod:
+    name: Build & Push (Prod)
+    runs-on: heavy
+    container: git.batida.io/batida/ci-node:latest
+    steps:
+      - uses: https://git.batida.io/batida/actions-checkout@v4
+      - name: Login to registry
+        run: echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login git.batida.io -u "${{ secrets.REGISTRY_USER }}" --password-stdin
+      - name: Build and push
+        run: |
+          docker build \
+            --build-arg APP_URL=https://app.batida.io \
+            -t git.batida.io/batida/batida-landing:${{ github.sha }} \
+            -t git.batida.io/batida/batida-landing:latest \
+            .
+          docker push git.batida.io/batida/batida-landing:${{ github.sha }}
+          docker push git.batida.io/batida/batida-landing:latest
+
+  deploy-staging:
+    name: Deploy Staging
+    runs-on: heavy
+    needs: [build-and-push-prod]
+    container: git.batida.io/batida/ci-node:latest
+    steps:
+      - name: Deploy to staging
+        run: |
+          echo "$KUBECONFIG_CONTENT" > /tmp/kubeconfig
+          kubectl --kubeconfig /tmp/kubeconfig set image deployment/batida-landing batida-landing=git.batida.io/batida/batida-landing:${{ github.sha }} -n staging
+          kubectl --kubeconfig /tmp/kubeconfig rollout status deployment/batida-landing -n staging --timeout=120s
+        env:
+          KUBECONFIG_CONTENT: ${{ secrets.KUBECONFIG }}
+
+  deploy-prod:
+    name: Deploy Prod
+    runs-on: heavy
+    needs: [deploy-staging]
+    container: git.batida.io/batida/ci-node:latest
+    steps:
+      - name: Deploy to prod
+        run: |
+          echo "$KUBECONFIG_CONTENT" > /tmp/kubeconfig
+          kubectl --kubeconfig /tmp/kubeconfig set image deployment/batida-landing batida-landing=git.batida.io/batida/batida-landing:${{ github.sha }} -n prod
+          kubectl --kubeconfig /tmp/kubeconfig rollout status deployment/batida-landing -n prod --timeout=120s
+        env:
+          KUBECONFIG_CONTENT: ${{ secrets.KUBECONFIG }}