# Build stage
FROM node:18-alpine AS builder

WORKDIR /app

# Copy package files
COPY package.json package-lock.json* ./

# Install dependencies
RUN npm ci

# Copy source code
COPY . .

# Build application
RUN npm run build

# Runtime stage
FROM nginx:alpine

# Remove default nginx config
RUN rm /etc/nginx/conf.d/default.conf

# Copy custom nginx config
COPY nginx.conf /etc/nginx/conf.d/

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

# Create directory for environment script
RUN mkdir -p /usr/share/nginx/html/config

# Expose port
EXPOSE 80

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD wget --quiet --tries=1 --spider http://localhost/health || exit 1

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