# syntax=docker/dockerfile:1

# --- Build stage ---------------------------------------------------------
FROM node:22-alpine AS build
WORKDIR /app

# Install dependencies first for better layer caching.
COPY package*.json ./
RUN npm ci

# Build the static site (outputs to /app/dist).
COPY . .
RUN npm run build

# --- Serve stage ---------------------------------------------------------
FROM nginx:alpine AS serve

# SPA-aware nginx config (client-side routing fallback).
COPY nginx.conf /etc/nginx/conf.d/default.conf

# Copy the built static assets.
COPY --from=build /app/dist /usr/share/nginx/html

EXPOSE 80
CMD ["nginx", "-g", "daemon off;"]