add pnpm steps to build step

.github/workflows/build-and-push.yml

@@ -4,14 +4,28 @@ on:
   push:
     branches:
       - main
-      - will/docker-ci
     tags:
       - "*.*.*"
 
 jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+          cache: "pnpm"
+
+      - name: Install pnpm
+        run: npm install -g pnpm
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
 
@@ -29,4 +43,4 @@ jobs:
         uses: docker/build-push-action@v6
         with:
           push: true
-          tags: user/app:latest
+          tags: will2hew/docmost:${{  github.ref_name }}