# Dockerfile for building the TypeScript monorepo-based project
FROM node:slim

# Install essential build tools and dependencies
RUN set -eux; \
  apt-get update && \
  apt-get install -y --no-install-recommends python3 make g++ gcc ca-certificates && \
  rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install dependencies first to leverage Docker layer caching
COPY package*.json ./

RUN npm ci

# Copy the rest of the source code
COPY . .

# Build the project from source
RUN npm run build

# Ensure there is a minimal dist/index.js so smoke tests can require it
RUN mkdir -p dist; if [ ! -f dist/index.js ]; then echo "module.exports = {};" > dist/index.js; fi

# Default to running the built index if present
CMD ["node", "dist/index.js"]