# Build stage
FROM node:22-alpine AS builder
WORKDIR /app
COPY package.json .
RUN npm ci
COPY . .
ENV NODE_ENV=production
RUN npm run build

# Production stage
FROM node:22-alpine AS runtime
WORKDIR /app
COPY --from=builder /app/build ./build
COPY --from=builder /app/node_modules ./node_modules
COPY package.json package.json

# Non-root user
RUN addgroup -S nsct && adduser -S nsct -G nsct
USER nsct

EXPOSE 3000
ENV HOST=0.0.0.0
ENV PORT=3000

CMD ["node", "build"]