docker) build app with node instead of bun

Dockerfile

@@ -1,5 +1,5 @@
 # ── Build stage ────────────────────────────────────────────────────────────────
-FROM oven/bun:1 AS builder
+FROM node:22-bookworm-slim AS builder
 
 WORKDIR /app
 
@@ -9,27 +9,25 @@ RUN apt-get update \
 	&& rm -rf /var/lib/apt/lists/*
 
 # Copy dependency manifests first for better layer caching
-COPY package.json bun.lock ./
+COPY package.json ./
 
 # Install all deps (including devDependencies needed for the build).
-# better-sqlite3 is a native module — it must be compiled here on Linux,
-# not copied from a macOS node_modules.
-RUN bun install --frozen-lockfile
+RUN npm install
 
 # Copy source and build
 COPY . .
-RUN bun run build
+RUN npm run build
 
 # Prune to production-only deps, recompiling native modules for Linux
-RUN bun install --frozen-lockfile --production
+RUN npm prune --omit=dev
 
 # ── Runtime stage ───────────────────────────────────────────────────────────────
-FROM node:22-alpine AS runtime
+FROM node:22-bookworm-slim AS runtime
 
 WORKDIR /app
 
 # Create a non-root user to run the app
-RUN addgroup -S trips && adduser -S trips -G trips
+RUN groupadd --system trips && useradd --system --gid trips trips
 
 # Copy the built app and production node_modules from the builder
 COPY --from=builder /app/build ./build