Dockerfile

# Multi-stage build for StockFlow Inventory

# Stage 1: Dependencies
FROM node:18-alpine AS deps
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci

# Stage 2: Build
FROM node:18-alpine AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run db:generate
RUN npm run build

# Stage 3: Production
FROM node:18-alpine AS runner
WORKDIR /app

ENV NODE_ENV=production

# Copy built application
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/node_modules ./node_modules

# Install serve for static file serving
RUN npm install -g serve

EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node -e "require('http').get('http://localhost:3000', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

CMD ["serve", "-s", "dist", "-l", "3000"]