Dockerfile.server

# Multi-stage build for NestJS server
FROM node:20-alpine AS base

# Install dependencies only when needed
FROM base AS deps
WORKDIR /app

# Copy package files
COPY package.json package-lock.json ./
COPY nx.json ./
COPY tsconfig.base.json ./

# Copy project.json files for dependency resolution
COPY apps/server/project.json ./apps/server/
COPY libs/ai-engine/project.json ./libs/ai-engine/
COPY libs/api-interfaces/project.json ./libs/api-interfaces/

# Install dependencies
RUN npm ci --legacy-peer-deps

# Build the application
FROM base AS builder
WORKDIR /app

# Copy dependencies
COPY --from=deps /app/node_modules ./node_modules

# Copy source code
COPY . .

# Build the server
RUN npx nx build server --configuration=production

# Production image
FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production

# Create non-root user
RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 nestjs

# Copy built application
COPY --from=builder --chown=nestjs:nodejs /app/dist/apps/server ./dist
COPY --from=builder --chown=nestjs:nodejs /app/node_modules ./node_modules
COPY --from=builder --chown=nestjs:nodejs /app/package.json ./package.json

# Create data directory
RUN mkdir -p /app/data && chown -R nestjs:nodejs /app/data

USER nestjs

EXPOSE 3000

ENV PORT=3000

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

CMD ["node", "dist/main.js"]