# Build stage
FROM node:18-alpine as build

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies (use npm install instead of npm ci for better compatibility)
RUN npm install --only=production --no-optional

# Copy source code
COPY . .

# Build the application
RUN npm run build

# Production stage
FROM nginx:alpine

# Copy built application
COPY --from=build /app/build /usr/share/nginx/html

# Copy nginx configuration
COPY nginx.conf /etc/nginx/nginx.conf

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:3000 || exit 1

# Start nginx
CMD ["nginx", "-g", "daemon off;"]