apps/backend/Dockerfile.hf

# WidgeTDC Backend - Hugging Face Spaces
# Using node:20-slim (Debian-based) for glibc compatibility with onnxruntime-node
FROM node:20-slim AS builder

# Install OpenSSL for Prisma
RUN apt-get update -y && apt-get install -y openssl libssl-dev ca-certificates && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy root workspace config
COPY package*.json ./
COPY tsconfig.base.json ./

# Copy workspace packages (needed for workspace:* resolution)
COPY packages/domain-types ./packages/domain-types/
COPY packages/mcp-types ./packages/mcp-types/

# Copy backend package.json and prisma
COPY apps/backend/package*.json ./apps/backend/
COPY apps/backend/prisma ./apps/backend/prisma/

# Install dependencies with workspace resolution
RUN npm ci

# Generate Prisma client
RUN cd apps/backend && npx prisma generate

# Copy backend source code and tsconfig
COPY apps/backend/src ./apps/backend/src/
COPY apps/backend/tsconfig.json ./apps/backend/

# Build shared packages first
RUN cd packages/domain-types && npm run build
RUN cd packages/mcp-types && npm run build

# Build backend
RUN cd apps/backend && npm run build-fixed

# Final stage - Debian-based for glibc compatibility
FROM node:20-slim
WORKDIR /app

# Install OpenSSL for Prisma runtime
RUN apt-get update -y && apt-get install -y openssl ca-certificates && rm -rf /var/lib/apt/lists/*

# Copy built artifacts
COPY --from=builder /app/apps/backend/dist ./dist
COPY --from=builder /app/apps/backend/package.json ./
COPY --from=builder /app/node_modules ./node_modules

# Copy sql.js WASM file for SQLite fallback
COPY --from=builder /app/node_modules/sql.js/dist/sql-wasm.wasm ./dist/

# Environment
ENV NODE_ENV=production
ENV PORT=7860

EXPOSE 7860
CMD ["node", "dist/index.cjs"]