# Stage 1: Build SvelteKit application
FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build
RUN npm prune --production

# Stage 2: Runtime Environment
FROM node:20-alpine
WORKDIR /app
COPY --from=builder /app/build ./build
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/node_modules ./node_modules
EXPOSE 3001
ENV PORT=3001
ENV NODE_ENV=production
CMD ["node", "build/index.js"]