Add backend deployment github action

Author: krzysiekfonal

.github/workflows/deploy-backend.yml

@@ -0,0 +1,52 @@
+name: Deploy Feed Data Service
+
+on:
+  push:
+    branches:
+      - feature/backend-deployment
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    environment: ${{ github.ref == 'refs/heads/feature/backend-deployment' && 'production' || 'staging' }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Copy backend code to server
+        uses: appleboy/scp-action@v0.1.7
+        with:
+          host: ${{ secrets.SSH_HOST }}
+          username: ${{ secrets.SSH_USER }}
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          source: "backend/*"
+          target: "/home/app/dashboard-demo/"
+          strip_components: 0
+
+      - name: Deploy via SSH
+        uses: appleboy/ssh-action@v1.0.0
+        with:
+          host: ${{ secrets.SSH_HOST }}
+          username: ${{ secrets.SSH_USER }}
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          script: |
+            cd /home/app/dashboard-demo/backend
+            docker compose down
+            docker compose build
+            docker compose up -d
+            docker compose logs --tail=50 feed-data
+
+      - name: Create .env file on server
+        uses: appleboy/ssh-action@v1.0.0
+        with:
+          host: ${{ secrets.SSH_HOST }}
+          username: ${{ secrets.SSH_USER }}
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          script: |
+            cd /home/app/dashboard-demo/backend
+            printf 'ARKIV_PRIVATE_KEY=%s\nETH_RPC_URL=%s' \
+              "${{ secrets.ARKIV_PRIVATE_KEY }}" \
+              "${{ vars.ETH_RPC_URL }}" > .env
+            chmod 600 .env  # Secure the .env file

backend/feedData.ts

@@ -235,6 +235,7 @@ async function collectLatestOnce() {
 		console.log("✅ Up to date; no new blocks to store");
 		return { stored: 0 };
 	}
+	blocksToStore.reverse();
 
 	// Store in batches of 100
 	console.log("\n💾 Storing new blocks in Arkiv...");