# Frontend Dockerfile - Node with Static Serving
# Optimized for production with minimal size

FROM node:18-alpine as builder

WORKDIR /app

# Copy frontend
COPY frontend/package.json frontend/package-lock.json ./
COPY frontend/. ./

# Install dependencies
RUN npm ci

# Build production bundle
RUN npm run build

# Runtime stage - nginx lightweight server
FROM node:18-alpine

WORKDIR /app

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

# Install global serve package for static file serving
RUN npm install -g serve

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget --quiet --tries=1 --spider http://localhost:5173 || exit 1

# Expose port
EXPOSE 5173

# Start static server
CMD ["serve", "-s", "dist", "-l", "5173"]