FROM node:22-alpine AS base
WORKDIR /app

FROM base AS deps
COPY package.json package-lock.json* ./
RUN npm install

FROM base AS build
COPY --from=deps /app/node_modules ./node_modules
COPY tsconfig.json ./
COPY src ./src
RUN npx tsc -p tsconfig.json

FROM base AS runtime
ENV NODE_ENV=production
COPY --from=deps /app/node_modules ./node_modules
COPY --from=build /app/dist ./dist
COPY package.json ./
EXPOSE 4000
CMD ["node", "dist/index.js"]