FROM node:18-alpine
WORKDIR /app

# Copy shared layer
COPY shared/ ./shared/

# Copy service files
COPY services/auth-service/package*.json ./services/auth-service/
RUN cd services/auth-service && npm install --production

COPY services/auth-service/ ./services/auth-service/

WORKDIR /app/services/auth-service
EXPOSE 3001
CMD ["node", "server.js"]