Fix build issue

Author: Solankimimoh

.dockerignore

@@ -0,0 +1,7 @@
+node_modules
+.next
+out
+.git
+npm-debug.log*
+yarn-error.log*
+.DS_Store

.github/workflows/nextjs.yml

@@ -17,35 +17,16 @@ concurrency:
 jobs:
   build:
     runs-on: ubuntu-latest
-    env:
-      FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
     steps:
       - name: Checkout
         uses: actions/checkout@v4.2.2
 
-      - name: Detect package manager
-        id: detect-package-manager
-        run: |
-          if [ -f "${{ github.workspace }}/yarn.lock" ]; then
-            echo "manager=yarn" >> $GITHUB_OUTPUT
-            echo "command=install" >> $GITHUB_OUTPUT
-            echo "runner=yarn" >> $GITHUB_OUTPUT
-            exit 0
-          elif [ -f "${{ github.workspace }}/package.json" ]; then
-            echo "manager=npm" >> $GITHUB_OUTPUT
-            echo "command=ci" >> $GITHUB_OUTPUT
-            echo "runner=npx --no-install" >> $GITHUB_OUTPUT
-            exit 0
-          else
-            echo "Unable to determine package manager"
-            exit 1
-          fi
-
       - name: Setup Node
         uses: actions/setup-node@v4.1.0
         with:
-          node-version: '20'
-          cache: ${{ steps.detect-package-manager.outputs.manager }}
+          node-version-file: '.nvmrc'
+          cache: 'npm'
+          cache-dependency-path: 'package-lock.json'
 
       - name: Setup Pages
         uses: actions/configure-pages@v5.0.0
@@ -60,10 +41,10 @@ jobs:
             ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json', '**/yarn.lock') }}-
 
       - name: Install dependencies
-        run: ${{ steps.detect-package-manager.outputs.manager }} ${{ steps.detect-package-manager.outputs.command }}
+        run: npm ci
 
       - name: Build with Next.js
-        run: ${{ steps.detect-package-manager.outputs.runner }} next build
+        run: npm run build
 
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3.0.0

Dockerfile.ci

@@ -0,0 +1,9 @@
+FROM node:20-bookworm-slim
+
+WORKDIR /app
+
+COPY package.json package-lock.json ./
+RUN npm ci
+
+COPY . .
+RUN npm run build

Makefile

@@ -0,0 +1,29 @@
+.PHONY: help install ci lint build check docker-ci
+
+NPM10 := npx -y npm@10.8.2
+DOCKER_IMAGE := devfest2026-ci
+
+help:
+	@echo "Targets:"
+	@echo "  make install    - Install deps with npm 10 (CI parity)"
+	@echo "  make ci         - Run npm 10 clean install"
+	@echo "  make lint       - Run ESLint"
+	@echo "  make build      - Build Next.js app"
+	@echo "  make check      - Run ci + lint + build"
+	@echo "  make docker-ci  - Build CI parity Docker image"
+
+install: ci
+
+ci:
+	$(NPM10) ci
+
+lint:
+	npm run lint
+
+build:
+	npm run build
+
+check: ci lint build
+
+docker-ci:
+	docker build -f Dockerfile.ci -t $(DOCKER_IMAGE) .

README.md

@@ -54,3 +54,21 @@ src/
 - Static export is enabled via `output: 'export'`.
 - `next.config.ts` automatically sets `basePath`/`assetPrefix` during GitHub Actions builds.
 - Workflow file: `.github/workflows/nextjs.yml`.
+
+## CI parity check (local Docker)
+
+To run the same install/build flow used in GitHub Actions:
+
+```bash
+docker build -f Dockerfile.ci -t devfest2026-ci .
+```
+
+## Makefile shortcuts
+
+```bash
+make ci
+make lint
+make build
+make check
+make docker-ci
+```