# ---- Build stage -----------------------------------------------------
FROM node:22-alpine AS build

WORKDIR /app

# Backend URLs are baked in at build time (Vite inlines VITE_* variables).
ARG VITE_API_BASE=https://localhost:3000
ARG VITE_WS_BASE
ENV VITE_API_BASE=$VITE_API_BASE
ENV VITE_WS_BASE=$VITE_WS_BASE

COPY package*.json ./
RUN npm install

COPY . .
RUN npm run dev