# apps/backend/Dockerfile
FROM node:24-alpine AS base
RUN npm install -g pnpm@8

FROM base AS dependencies
WORKDIR /app

# Copy workspace configuration
COPY pnpm-workspace.yaml package.json ./
COPY apps/backend/package.json ./apps/backend/
COPY packages/shared/package.json ./packages/shared/

# Install dependencies
RUN pnpm install --frozen-lockfile

FROM base AS build
WORKDIR /app
COPY --from=dependencies /app/node_modules ./node_modules
COPY --from=dependencies /app/apps/backend/node_modules ./apps/backend/node_modules
COPY --from=dependencies /app/packages/shared/node_modules ./packages/shared/node_modules

# Copy source code
COPY packages/shared ./packages/shared
COPY apps/backend ./apps/backend
COPY prisma ./prisma

# Build shared packages first
RUN pnpm --filter @dreamchat/shared build

# Generate Prisma client
RUN pnpm db:generate

# Build backend
RUN pnpm --filter @dreamchat/backend build

FROM base AS production
WORKDIR /app

# Copy only production dependencies
COPY --from=dependencies /app/node_modules ./node_modules
COPY --from=dependencies /app/apps/backend/node_modules ./apps/backend/node_modules
COPY --from=build /app/apps/backend/dist ./dist
COPY --from=build /app/packages/shared/dist ./node_modules/@dreamchat/shared/dist
COPY --from=build /app/node_modules/.pnpm/@prisma+client* ./node_modules/.pnpm/
COPY --from=build /app/node_modules/@prisma ./node_modules/@prisma

# Create logs directory
RUN mkdir -p /app/logs

# Non-root user
RUN addgroup -g 1001 -S nodejs
RUN adduser -S nodejs -u 1001
USER nodejs

EXPOSE 3000

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