# Base Image
FROM node:20-slim

# Set working directory
WORKDIR /app

# Install system dependencies (needed for some npm packages)
RUN apt-get update && apt-get install -y \
    python3 \
    make \
    g++ \
    && rm -rf /var/lib/apt/lists/*

# Copy package files first for better layer caching
COPY package.json package-lock.json ./

# Install all dependencies including dev dependencies (needed for TypeScript build)
# Don't set NODE_ENV=production yet, so devDependencies are installed
RUN npm ci && npm cache clean --force

# Copy source code and config files
COPY tsconfig.json ./
COPY ormconfig.ts ./
COPY src ./src
COPY start.sh ./

# Build TypeScript (migrations will be compiled to dist/migrations/*.js)
# Use --verbose flag to see detailed errors
RUN npm run build 2>&1 || (echo "TypeScript compilation failed. Check errors above." && exit 1)

# Verify build succeeded - check key files exist
RUN test -f dist/index.js || (echo "Build failed: dist/index.js not found" && exit 1)
RUN test -d dist/migrations || echo "Warning: migrations directory not found"
RUN test -f dist/scripts/run-migrations.js || echo "Warning: migration script not found"

# Remove dev dependencies after build
RUN npm prune --production

# Set NODE_ENV for production runtime
ENV NODE_ENV=production

# Make startup script executable
RUN chmod +x ./start.sh

# Expose port (Hugging Face Spaces uses 7860)
EXPOSE 7860

# Use the startup script
CMD ["./start.sh"]