# Build stage
FROM node:22-alpine AS builder

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install all dependencies (including devDependencies for building)
RUN npm ci

# Copy source code
COPY . .

# Build the application
RUN npm run build

# Production stage
FROM node:22-alpine AS production

# Set NODE_ENV to production
ENV NODE_ENV=production

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install only production dependencies
RUN npm ci --omit=dev && npm cache clean --force

# Copy built application from builder stage
COPY --from=builder /app/dist ./dist

# Copy server file
COPY server.js ./

# Expose port 7860 (required by Hugging Face Spaces)
EXPOSE 7860

# Start the application
CMD ["npm", "start"]