# --- build stage: compile the Vite app to static files ---
FROM oven/bun:1 AS build

WORKDIR /app

COPY package.json bun.lock ./
COPY packages/demo/package.json packages/demo/
RUN bun install --frozen-lockfile

COPY packages/demo packages/demo

# Build with a placeholder instead of a real URL. The entrypoint replaces it at
# container startup, so the SERVER_URL env controls the relay address at runtime
# (no rebuild needed). See demo-entrypoint.sh.
ENV VITE_SERVER_URL=__COSMIC_SERVER_URL__
RUN cd packages/demo && bun run build

# --- serve stage: hand the built files to nginx ---
FROM nginx:alpine
COPY --from=build /app/packages/demo/dist /usr/share/nginx/html
COPY demo-entrypoint.sh /docker-entrypoint.d/40-cosmic-server-url.sh
EXPOSE 80