# Build stage
FROM node:20-alpine AS builder

# Install build dependencies for native modules
RUN apk add --no-cache python3 make g++ py3-pip

# Install pnpm
RUN corepack enable && corepack prepare pnpm@9.12.3 --activate

WORKDIR /app

# Copy package files
COPY package.json pnpm-lock.yaml ./

# Install dependencies (allow lockfile updates since we added @ai-sdk/openai)
RUN pnpm install --no-frozen-lockfile

# Copy application code
COPY . .

# Build the Next.js application without database migration
# The migration will run at startup if POSTGRES_URL is set
RUN pnpm exec next build

# Production stage
FROM node:20-alpine AS runner

# Install pnpm
RUN corepack enable && corepack prepare pnpm@9.12.3 --activate

# Use the existing node user (UID 1000) which is already in the image
WORKDIR /app

# Copy built application from builder stage
COPY --from=builder --chown=node:node /app/.next/standalone ./
COPY --from=builder --chown=node:node /app/.next/static ./.next/static
# Create empty public directory since we removed images
RUN mkdir -p ./public && chown node:node ./public

# Copy package.json for reference
COPY --from=builder --chown=node:node /app/package.json ./

# Switch to node user (UID 1000, required by Hugging Face)
USER node

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

# Set environment variables for Hugging Face Spaces
ENV PORT=7860
ENV HOSTNAME="0.0.0.0"
ENV NODE_ENV=production
ENV AUTH_TRUST_HOST=true
ENV NEXTAUTH_URL=https://seriousmountain-vercel-demo.hf.space

# Start the application
CMD ["node", "server.js"]