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+# syntax=docker/dockerfile:1
+
+# ---- Builder: install deps + build a standalone Node server (.output/) ----
+FROM oven/bun:1 AS builder
+WORKDIR /app
+
+# Install dependencies against the committed lockfile
+COPY package.json bun.lock ./
+RUN bun install --frozen-lockfile
+
+# Copy the rest of the source. .env is copied too so Vite bakes the
+# VITE_SUPABASE_* values into the client bundle at build time (public-safe).
+COPY . .
+
+# Build with the Nitro node-server preset -> self-contained .output/
+ENV NITRO_PRESET=node-server
+RUN bun run build
+
+# ---- Runner: run the built server on Node (no install needed, .output is standalone) ----
+FROM node:22-slim AS runner
+WORKDIR /app
+ENV NODE_ENV=production
+# Nitro node-server reads HOST/PORT; 0.0.0.0:3000 is the default we expose.
+ENV HOST=0.0.0.0
+ENV PORT=3000
+
+COPY --from=builder /app/.output ./.output
+
+EXPOSE 3000
+CMD ["node", ".output/server/index.mjs"]