# --- STAGE 1: Build ---
FROM node:20-alpine AS builder

WORKDIR /app

# Install dependencies
COPY package.json package-lock.json ./
RUN npm install --legacy-peer-deps

# Copy source and build
COPY . .
RUN npm run build

# --- STAGE 2: Runtime ---
FROM nginx:alpine

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

# Copy custom nginx config for SPA routing
COPY nginx.conf /etc/nginx/conf.d/default.conf

# Expose port 80
EXPOSE 80

# Nginx starts automatically
CMD ["nginx", "-g", "daemon off;"]