Dockerfile

# The Brain Service Dockerfile
FROM node:20-alpine AS base

# Dependencies stage - install all dependencies
FROM base AS deps
# libc6-compat may be needed for some native dependencies
RUN apk add --no-cache libc6-compat

WORKDIR /app

# Install pnpm
RUN corepack enable pnpm

# Copy package.json files
COPY package.json pnpm-lock.yaml pnpm-workspace.yaml ./
COPY packages/shared/package.json ./packages/shared/package.json
COPY apps/the-brain/package.json ./apps/the-brain/package.json

# Install dependencies
RUN pnpm install --frozen-lockfile

# Build stage - compile the application
FROM base AS builder
WORKDIR /app

RUN corepack enable pnpm

# Copy the prepared pnpm workspace, including package-local node_modules links.
COPY --from=deps /app/ ./

# Copy source code
COPY . .

# Build shared package first
RUN pnpm build:shared

# Build the-brain
RUN pnpm build:the-brain

# Runtime stage - production image
FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production

# Install pnpm
RUN corepack enable pnpm

# Create non-root user for security
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nodejs

# Copy built application
COPY --from=builder /app/apps/the-brain/dist ./dist
COPY --from=builder /app/apps/the-brain/package.json ./package.json

# Copy node_modules for runtime
COPY --from=builder /app/node_modules ./node_modules

USER nodejs

ENV HEALTH_PORT=3001
ENV PORT=3001

EXPOSE 3001

CMD ["pnpm", "start"]