fix server error

Dockerfile

@@ -14,6 +14,9 @@ RUN npm ci
 COPY . .
 RUN npm run build
 
+# Keep only production dependencies so they can be copied into the runtime image.
+RUN npm prune --omit=dev
+
 # ---- Runtime stage ----
 FROM node:24-alpine AS runtime
 
@@ -25,6 +28,8 @@ ENV NODE_ENV=production \
     DATABASE_PATH=data/dsec.db
 
 COPY --from=build /app/build ./build
+COPY --from=build /app/package.json ./package.json
+COPY --from=build /app/node_modules ./node_modules
 
 RUN mkdir -p data && chown -R node:node /app
 USER node

src/lib/api.ts

@@ -5,9 +5,9 @@ async function call(name: string, args: Record<string, any> = {}): Promise<any>
 		body: JSON.stringify({ fn: name, args }),
 	});
 
-	const data = await res.json();
-	if (!data.ok) {
-		throw new Error(data.error ?? "Request failed");
+	const data = await res.json().catch(() => null);
+	if (!res.ok || !data?.ok) {
+		throw new Error(data?.error ?? `Request failed (${res.status})`);
 	}
 	return data.result;
 }

src/routes/+page.svelte

@@ -5,10 +5,16 @@
 
 	let units: UnitDoc[] = $state([]);
 	let loading = $state(true);
+	let error = $state("");
 
 	onMount(async () => {
+		try {
 			units = (await query("units:getAll")) as UnitDoc[];
+		} catch (err: any) {
+			error = err.message ?? "Failed to load units";
+		} finally {
 			loading = false;
+		}
 	});
 </script>
 
@@ -38,6 +44,8 @@
 		<p class="kicker mb-6">Units</p>
 		{#if loading}
 			<p class="kicker">Loading</p>
+		{:else if error}
+			<p class="kicker">{error}</p>
 		{:else}
 			<div class="grid grid-cols-1 sm:grid-cols-2">
 				{#each units as unit}