diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index 65366990..5861c35d 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -28,7 +28,7 @@ jobs:
           node-version: 22
 
       - name: Install Dependencies
-        run: npm i -g npminstall && npminstall
+        run: npm i
 
       - name: Lint
         run: npm run lint
@@ -38,6 +38,79 @@ jobs:
 
       - name: Build
         run: npm run tsc && npm run tsc:prod
+
+  test-deployment:
+    runs-on: ubuntu-latest
+
+    concurrency:
+      group: test-deployment-${{ github.workflow }}-#${{ github.event.pull_request.number || github.head_ref || github.ref }}
+      cancel-in-progress: true
+
+    services:
+      mysql:
+        image: mysql:5.7
+        env:
+          MYSQL_ALLOW_EMPTY_PASSWORD: true
+          MYSQL_DATABASE: cnpmcore
+        ports:
+          - 3306:3306
+        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=5
+      redis:
+        # https://docs.github.com/en/actions/using-containerized-services/about-service-containers#example-mapping-redis-ports
+        image: redis
+        ports:
+          # Opens tcp port 6379 on the host and service container
+          - 6379:6379
+
+    steps:
+      - name: Checkout Git Source
+        uses: actions/checkout@v5
+
+      - name: Use Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: 22
+
+      - name: Install Dependencies
+        run: npm i
+
+      - name: Test Deployment
+        run: |
+          npm run build
+          echo "Preparing database..."
+          CNPMCORE_DATABASE_NAME=cnpmcore bash ./prepare-database-mysql.sh
+          echo "Starting cnpmcore..."
+          CNPMCORE_FORCE_LOCAL_FS=true npm run start:foreground &
+          sleep 5
+          echo "Checking cnpmcore is ready..."
+          
+          set -Eeuo pipefail
+          URL="http://127.0.0.1:7001"
+          PATTERN="instance_start_time"
+          TIMEOUT=60
+          TMP="$(mktemp)"
+          echo "🔎 Health check $URL, expect 200 & body contains: $PATTERN"
+          deadline=$((SECONDS + TIMEOUT))
+          last_status=""
+
+          while (( SECONDS < deadline )); do
+            last_status="$(curl -sS -o "$TMP" -w '%{http_code}' "$URL" || true)"
+            echo "last_status=$last_status"
+            echo "body=$(cat $TMP)"
+            if [[ "$last_status" == "200" ]] && grep -q "$PATTERN" "$TMP"; then
+              echo "✅ OK"
+              rm -f "$TMP"
+              npx eggctl stop
+              exit 0
+            fi
+            sleep 1
+          done
+
+          echo "::error::❌ Health check failed: status=$last_status"
+          echo "---- Response body (last try) ----"
+          cat "$TMP" || true
+          rm -f "$TMP"
+          exit 1
   
   test-postgresql-fs-nfs:
     strategy:
@@ -91,7 +164,7 @@ jobs:
           node-version: ${{ matrix.node-version }}
 
       - name: Install Dependencies
-        run: npm i -g npminstall && npminstall
+        run: npm i
 
       # https://github.com/elastic/elastic-github-actions/blob/master/elasticsearch/README.md
       - name: Configure sysctl limits
@@ -178,7 +251,7 @@ jobs:
           node-version: ${{ matrix.node-version }}
 
       - name: Install Dependencies
-        run: npm i -g npminstall && npminstall
+        run: npm i
 
       - name: Continuous Integration
         run: npm run ci
diff --git a/app/infra/NFSClientAdapter.ts b/app/infra/NFSClientAdapter.ts
index c67d55aa..39d2d3d3 100644
--- a/app/infra/NFSClientAdapter.ts
+++ b/app/infra/NFSClientAdapter.ts
@@ -43,7 +43,8 @@ export class NFSClientAdapter implements NFSClient {
     if (this.config.nfs.client) {
       this._client = this.config.nfs.client;
     } else {
-      if (this.config.env === 'prod') {
+      // Please do not set the CNPMCORE_FORCE_LOCAL_FS environment variable unless you know what you are doing.
+      if (this.config.env === 'prod' && process.env.CNPMCORE_FORCE_LOCAL_FS !== 'true') {
         throw new Error(
           "[NFSAdapter] Can't use local fs NFS on production env"
         );
diff --git a/package.json b/package.json
index 7cb8ab8f..bf83dc9b 100644
--- a/package.json
+++ b/package.json
@@ -58,6 +58,7 @@
     "ci": "npm run cov",
     "ci:postgresql": "npm run cov:postgresql",
     "clean": "tsc -b --clean && rm -rf dist *.tsbuildinfo",
+    "build": "npm run tsc",
     "tsc": "npm run clean && tsc -p ./tsconfig.json",
     "tsc:prod": "npm run clean && tsc -p ./tsconfig.prod.json",
     "prepublishOnly": "npm run tsc:prod",