feat: initial commit — tcb_devportal Next.js app

Includes Helm chart (tcb-devportal), Jenkinsfile with homelab CI pipeline,
and Next.js app source.

Dockerfile

@@ -0,0 +1,52 @@
+FROM node:24.0.1-alpine AS deps
+
+WORKDIR /app
+
+RUN apk add --no-cache libc6-compat
+
+COPY package.json package-lock.json ./
+RUN npm install --legacy-peer-deps
+
+
+FROM node:24.0.1-alpine AS builder
+
+WORKDIR /app
+
+ENV NEXT_TELEMETRY_DISABLED=1
+
+COPY --from=deps /app/node_modules ./node_modules
+
+# Copy source + .env vào build context
+COPY . .
+
+# Đảm bảo .env có trong builder stage
+COPY .env .env
+
+RUN npm run build
+
+
+FROM node:24.0.1-alpine AS runner
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+
+RUN addgroup -S nodejs -g 1001 \
+  && adduser -S nextjs -u 1001
+
+COPY --from=builder /app/public ./public
+COPY --from=builder --chown=1001:1001 /app/.next/standalone ./
+COPY --from=builder --chown=1001:1001 /app/.next/static ./.next/static
+
+# Copy .env vào runtime để next.config rewrites đọc được khi server start
+COPY --from=builder /app/.env ./.env
+
+USER 1001
+
+ENV PORT=3000
+ENV HOSTNAME=0.0.0.0
+
+EXPOSE 3000
+
+CMD ["node", "server.js"]