# Use Node.js base image
FROM node:18-slim

# Set working directory
WORKDIR /usr/src/app

# Install system dependencies
RUN apt-get update \
  && apt-get install -y --no-install-recommends \
    build-essential \
    python3 \
    git \
    ca-certificates \
  && rm -rf /var/lib/apt/lists/*

# Copy package manifests
COPY package.json package-lock.json ./

# Install dependencies
RUN npm ci --silent

# Copy source code
COPY . .

# Build the project
RUN npm run build

# Expose build artifacts directory (optional)
# Expose nothing. We just set a CMD to keep container alive
CMD ["bash","-lc","if [ -d build ]; then echo BUILD_DIR_FOUND; else echo BUILD_DIR_MISSING; fi; tail -f /dev/null"]