# Build-Stufe: Vite-Produktionsbuild
FROM node:22-alpine AS build
WORKDIR /app
COPY gerbil-manager-web/package.json gerbil-manager-web/package-lock.json ./
RUN npm ci
COPY gerbil-manager-web/ .
# Basis-URL der API (zur Build-Zeit eingebettet; Browser erreicht die API über den Host)
ARG VITE_API_BASE_URL=http://localhost:80
ENV VITE_API_BASE_URL=$VITE_API_BASE_URL
RUN npm run build

# Laufzeit-Stufe: statische Auslieferung über nginx
FROM nginx:alpine
COPY --from=build /app/dist /usr/share/nginx/html
# SPA-Fallback: alle Pfade auf index.html umleiten (react-router)
RUN printf 'server {\n\
    listen 3000;\n\
    root /usr/share/nginx/html;\n\
    index index.html;\n\
    location / {\n\
        try_files $uri $uri/ /index.html;\n\
    }\n\
}\n' > /etc/nginx/conf.d/default.conf
EXPOSE 3000
CMD ["nginx", "-g", "daemon off;"]