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+# Single container: Bun serves the bundled front-end AND the /api/session
+# proxy. HF Spaces (sdk: docker) routes traffic to app_port, set to 7860.
+FROM oven/bun:1
+
+WORKDIR /app
+
+COPY package.json bun.lock ./
+RUN bun install --frozen-lockfile --production
+
+COPY . .
+
+ENV NODE_ENV=production
+ENV PORT=7860
+# Point at a speech-to-speech backend by setting ONE of these in the Space
+# settings (index.ts prefers LOAD_BALANCER_URL):
+#   LOAD_BALANCER_URL  a load balancer's base URL (a secret) — talks to the pool directly
+#   SESSION_PROXY_URL  another deployment's /api to piggyback (e.g. a public demo Space)
+# With neither set, the app runs in direct mode (paste a ws:// URL in Settings).
+
+EXPOSE 7860
+
+USER bun
+
+CMD ["bun", "index.ts"]