build: add scripts for building backend and frontend

.github/workflows/deploy.yml

@@ -0,0 +1,27 @@
+name: Deploy pages
+
+on: [push, pull_request]
+
+jobs:
+    deploy:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v3
+            - name: Use Node.js 18.x
+              uses: actions/setup-node@v3
+              with:
+                  node-version: 18.x
+                  cache: 'npm'
+            - run: yarn install
+            - name: Build
+              run: |
+                cd packages/serverless-backend
+                npx @cloudflare/next-on-pages@1
+            -  name: Deploy
+               env: 
+                BRANCH_NAME: ${{ github.head_ref || github.ref_name }} 
+                CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+                CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+               run: |
+                cd packages/serverless-backend
+                npx wrangler pages deploy .vercel/output/static --branch=$BRANCH_NAME --project-name=unirep-explorer-backend

package.json

@@ -12,7 +12,8 @@
     "frontend": "yarn workspace frontend",
     "lint": "prettier .",
     "lint:check": "prettier . --check",
-    "lint:fix": "prettier . --write"
+    "lint:fix": "prettier . --write",
+    "prepare": "scripts/cf_build.sh"
   },
   "devDependencies": {
     "lerna": "^5.5.4"

scripts/cf_build.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# Load environment variables from .env file
+source .env
+
+if [ "$CF_PAGES_BRANCH" = "production" ]; then
+    echo "export const version = 'v2.0.0'" > packages/frontend/src/config.js
+    echo "export const network = 'sepolia'" >> packages/frontend/src/config.js
+    echo "export const SERVER = 'https://unirep-explorer-backend.pages.dev'" >> packages/frontend/src/config.js
+elif [ "$CF_PAGES_BRANCH" = "staging" ]; then
+    branch=$(git branch --show-current)
+    branch="${branch%"${branch##*[![:space:]]}"}" # Trim trailing whitespace
+    echo "export const version = 'v2.0.0'" > packages/frontend/src/config.js
+    echo "export const network = 'sepolia'" >> packages/frontend/src/config.js
+    echo "export const SERVER = 'https://${branch}.unirep-explorer-backend.pages.dev'" >> packages/frontend/src/config.js
+fi