# --- Build stage ---
FROM node:22-alpine AS builder

WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci

COPY . .
RUN npm run build

# --- Runtime stage ---
FROM node:22-alpine

WORKDIR /app
COPY --from=builder /app/build ./build
COPY --from=builder /app/package.json ./
RUN npm install --omit=dev

EXPOSE 3001
ENV PORT=3001 HOST=0.0.0.0
CMD ["node", "build"]