FROM node:20-alpine AS base
WORKDIR /app
RUN apk add --no-cache curl

FROM base AS deps
COPY package*.json ./
RUN npm ci --only=production && npm cache clean --force

FROM base AS runtime
COPY --from=deps /app/node_modules ./node_modules
COPY src ./src
COPY sql ./sql

RUN mkdir -p logs uploads

ENV NODE_ENV=production
ENV PORT=3001

EXPOSE 3001

HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
  CMD curl -f http://localhost:3001/api/health || exit 1

USER node
CMD ["node", "src/index.js"]