# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci

# Copy source code
COPY . .

# Build the app
RUN npm run build

# Production stage - use nginx for serving
FROM nginx:alpine

# Copy nginx config
RUN echo 'server {\n\
  listen 3000;\n\
  server_name _;\n\
  root /usr/share/nginx/html;\n\
  index index.html;\n\
  \n\
  location / {\n\
    try_files $uri $uri/ /index.html;\n\
  }\n\
  \n\
  location ~* \\.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {\n\
    expires 1y;\n\
    add_header Cache-Control "public, immutable";\n\
  }\n\
}' > /etc/nginx/conf.d/default.conf

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

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
  CMD wget --quiet --tries=1 --spider http://localhost:3000/ || exit 1

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