# Stage 1: Build
FROM node:22-alpine AS builder
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci
COPY . .
RUN npm run build

# Stage 2: Serve
FROM nginx:alpine
COPY --from=builder /app/dist /usr/share/nginx/html
COPY nginx.conf /etc/nginx/conf.d/default.conf
COPY docker-entrypoint.sh /docker-entrypoint.sh
RUN chmod +x /docker-entrypoint.sh

# Runtime-Konfiguration via Umgebungsvariablen
# BACKEND_HOST, BACKEND_PORT werden in window.__RMM_CONFIG__ injiziert
ENV BACKEND_HOST=localhost
ENV BACKEND_PORT=8443

EXPOSE 80
ENTRYPOINT ["/docker-entrypoint.sh"]
CMD ["nginx", "-g", "daemon off;"]