Dockerfile

FROM node:22-slim AS base

# Install dependencies only when needed
FROM base AS deps
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci --ignore-scripts

# Build the app
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

# Production image
FROM base AS runner
WORKDIR /app
ENV NODE_ENV=production
ENV PORT=3000

RUN groupadd --system --gid 1001 nodejs
RUN useradd --system --uid 1001 --create-home nextjs
RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates && rm -rf /var/lib/apt/lists/*

COPY --from=builder /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

RUN npm install -g @github/copilot && chmod +x /usr/local/lib/node_modules/@github/copilot/npm-loader.js

USER nextjs
EXPOSE 3000

CMD ["node", "server.js"]