# Build-Stage
FROM node:16 AS build

WORKDIR /app

# Abhängigkeiten zuerst kopieren und installieren (für besseres Caching)
COPY package*.json ./
RUN npm install

# Den Rest der Anwendung kopieren
COPY . .

# Build-Zeit-Variable setzen
RUN echo "REACT_APP_BUILD_TIME=$(date)" > .env

# Anwendung bauen
RUN npm run build

# Production-Stage
FROM nginx:alpine

# Build-Output vom build-Stage kopieren
COPY --from=build /app/build /usr/share/nginx/html

# Nginx-Konfiguration (optional)
# COPY nginx.conf /etc/nginx/conf.d/default.conf

EXPOSE 80

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