# 1. Build-Stage
FROM node:18-alpine AS build

WORKDIR /app

# package files kopieren
COPY package*.json ./

# dependencies installieren
RUN npm install

# restlichen Code kopieren
COPY . .

# React App bauen
RUN npm run build

# 2. Serve-Stage (Nginx)
FROM nginx:alpine

# build output in nginx kopieren
COPY --from=build /app/build /usr/share/nginx/html

# optional: eigene nginx config
# COPY nginx.conf /etc/nginx/conf.d/default.conf

EXPOSE 5173

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