FROM node:18-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
# Use npm install for development (npm ci requires package-lock.json)
RUN npm install

# Copy source code
COPY . .

# Build the application
RUN npm run build

# Production stage
FROM nginx:alpine

# Copy built files from builder stage
COPY --from=builder /app/dist /usr/share/nginx/html

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

# Expose port
EXPOSE 80

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:80/ || exit 1

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