Fixes to NodeJS version.

Dockerfile

@@ -1,30 +1,29 @@
 FROM node:24-trixie-slim AS build
 
-WORKDIR /workspace
+WORKDIR /app-new
 
-COPY app-new/backend/package*.json app-new/backend/
+COPY app-new/backend/package*.json backend/
-COPY app-new/frontend/package*.json app-new/frontend/
+COPY app-new/frontend/package*.json frontend/
-RUN cd app-new/backend && npm install
+RUN cd backend && npm install
-RUN cd app-new/frontend && npm install
+RUN cd frontend && npm install
 
-COPY app-new app-new
+COPY app-new .
-COPY app/templates app/templates
-COPY app/templates.json app/templates.json
 
-RUN cd app-new/backend && npm run build
+RUN cd backend && npm run build
-RUN cd app-new/frontend && npm run build
+RUN cd frontend && npm run build
 
 FROM node:24-trixie-slim AS runtime
 
-WORKDIR /workspace
+WORKDIR /app-new
 ENV NODE_ENV=production
 ENV PORT=3000
 
-COPY app-new/backend/package*.json app-new/backend/
+COPY app-new/backend/package*.json backend/
-RUN cd app-new/backend && npm install --omit=dev
+RUN cd backend && npm install --omit=dev
 
-COPY --from=build /workspace/dist dist
+COPY --from=build /app-new/dist dist
-COPY --from=build /workspace/app app
+COPY --from=build /app-new/templates templates
+COPY --from=build /app-new/templates.json templates.json
 COPY entrypoint.sh entrypoint.sh
 RUN chmod +x entrypoint.sh
 

app-new/backend/package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "build": "tsc -p tsconfig.json",
     "dev": "tsx watch src/server.ts",
-    "start": "node ../../dist/backend/server.js",
+    "start": "node ../dist/backend/server.js",
     "test": "vitest run"
   },
   "dependencies": {

app-new/backend/src/azure-service.ts

@@ -32,13 +32,26 @@ export class AzureImageService {
       }
     });
 
-    const payload = (await response.json()) as { value?: Array<{ name?: string; displayName?: string; metadata?: { regionType?: string } }> };
+    if (!response.ok) {
+      throw new Error(`Failed to fetch Azure locations: ${response.status} ${response.statusText}`);
+    }
 
-    const locations = (payload.value ?? [])
+    const payload = (await response.json()) as {
-      .filter((loc) => loc.metadata?.regionType === "Physical" && Boolean(loc.name))
+      value?: Array<{ name?: string; displayName?: string; metadata?: { regionType?: string } }>;
+    };
+
+    const allLocations = (payload.value ?? [])
+      .filter((loc) => Boolean(loc.name))
       .map((loc) => ({
         name: loc.name as string,
-        displayName: loc.displayName ?? (loc.name as string)
+        displayName: loc.displayName ?? (loc.name as string),
+        regionType: loc.metadata?.regionType
+      }));
+
+    const physical = allLocations.filter((loc) => loc.regionType?.toLowerCase() === "physical");
+    const locations = (physical.length > 0 ? physical : allLocations).map((loc) => ({
+      name: loc.name,
+      displayName: loc.displayName
     }));
 
     locations.sort((a, b) => a.name.localeCompare(b.name));
@@ -54,7 +67,7 @@ export class AzureImageService {
     }
 
     const response = await this.computeClient.virtualMachineImages.listPublishers(location);
-    const publishers = this.extractNames(response);
+    const publishers = this.extractNames(response).sort((a, b) => a.localeCompare(b));
 
     this.cache.set(cacheKey, publishers, CACHE_TTL_MS);
     return publishers;
@@ -68,7 +81,7 @@ export class AzureImageService {
     }
 
     const response = await this.computeClient.virtualMachineImages.listOffers(location, publisher);
-    const offers = this.extractNames(response);
+    const offers = this.extractNames(response).sort((a, b) => a.localeCompare(b));
 
     this.cache.set(cacheKey, offers, CACHE_TTL_MS);
     return offers;
@@ -82,7 +95,7 @@ export class AzureImageService {
     }
 
     const response = await this.computeClient.virtualMachineImages.listSkus(location, publisher, offer);
-    const skus = this.extractNames(response);
+    const skus = this.extractNames(response).sort((a, b) => a.localeCompare(b));
 
     this.cache.set(cacheKey, skus, CACHE_TTL_MS);
     return skus;

app-new/backend/src/server.ts

@@ -1,12 +1,23 @@
 import { existsSync } from "node:fs";
 import { join } from "node:path";
 import cors from "cors";
-import "dotenv/config";
 import express from "express";
 import { z } from "zod";
 import { AzureImageService } from "./azure-service";
 import { TemplateService } from "./template-service";
 
+const findAppNewRoot = (): string => {
+  const candidates = [join(__dirname, "../../.."), join(__dirname, "../..")];
+
+  for (const candidate of candidates) {
+    if (existsSync(join(candidate, "templates.json"))) {
+      return candidate;
+    }
+  }
+
+  throw new Error("Unable to resolve app-new root");
+};
+
 const queryLocation = z.object({ location: z.string().min(1) });
 const queryOffer = z.object({ location: z.string().min(1), publisher: z.string().min(1) });
 const querySku = z.object({ location: z.string().min(1), publisher: z.string().min(1), offer: z.string().min(1) });
@@ -127,7 +138,7 @@ const makeApp = () => {
     res.status(500).json({ message });
   });
 
-  const frontendRoot = join(process.cwd(), "dist/frontend");
+  const frontendRoot = join(findAppNewRoot(), "dist/frontend");
   if (existsSync(frontendRoot)) {
     app.use(express.static(frontendRoot));
     app.get(/^(?!\/api).*/, (_req, res) => {

app-new/backend/src/template-service.ts

@@ -1,30 +1,30 @@
-import { readFileSync } from "node:fs";
+import { existsSync, readFileSync } from "node:fs";
 import { join } from "node:path";
 import nunjucks from "nunjucks";
 import type { ImageSelection, UsageTemplate } from "./types";
 
-const findAppRoot = (): string => {
+const findAppNewRoot = (): string => {
-  // Supports running from src/backend (dev) and dist/backend (compiled).
+  const candidates = [join(__dirname, "../../.."), join(__dirname, "../..")];
-  const devPath = join(__dirname, "../../../app");
+
-  const buildPath = join(__dirname, "../../app");
+  for (const candidate of candidates) {
-  try {
+    if (existsSync(join(candidate, "templates.json"))) {
-    readFileSync(join(devPath, "templates.json"), "utf8");
+      return candidate;
-    return devPath;
-  } catch {
-    return buildPath;
     }
+  }
+
+  throw new Error("Unable to resolve app-new template root");
 };
 
 export class TemplateService {
-  private readonly appRoot = findAppRoot();
+  private readonly appNewRoot = findAppNewRoot();
 
-  private readonly env = nunjucks.configure(join(this.appRoot, "templates"), {
+  private readonly env = nunjucks.configure(join(this.appNewRoot, "templates"), {
     autoescape: false,
     noCache: true
   });
 
   private readonly templates: UsageTemplate[] = JSON.parse(
-    readFileSync(join(this.appRoot, "templates.json"), "utf8")
+    readFileSync(join(this.appNewRoot, "templates.json"), "utf8")
   ) as UsageTemplate[];
 
   public getTemplates(): UsageTemplate[] {

app-new/backend/src/version.ts

@@ -4,7 +4,7 @@ const semverSortKey = (value: string): number[] => value.split(".").map((part) =
 
 export const sortImageVersionsIfSemantic = (versions: string[]): string[] => {
   if (!versions.every((value) => SEMVER_PATTERN.test(value))) {
-    return versions;
+    return [...versions].sort((a, b) => a.localeCompare(b, undefined, { numeric: true, sensitivity: "base" }));
   }
 
   return [...versions].sort((a, b) => {

app-new/backend/test/version.test.ts

@@ -7,8 +7,8 @@ describe("sortImageVersionsIfSemantic", () => {
     expect(sorted).toEqual(["1.2.0", "1.10.0", "2.0.0"]);
   });
 
-  it("returns source order for non-semantic versions", () => {
+  it("sorts non-semantic versions naturally", () => {
     const original = ["latest", "1.0.0", "beta"];
-    expect(sortImageVersionsIfSemantic(original)).toEqual(original);
+    expect(sortImageVersionsIfSemantic(original)).toEqual(["1.0.0", "beta", "latest"]);
   });
 });

app-new/backend/tsconfig.json

@@ -9,7 +9,7 @@
     "forceConsistentCasingInFileNames": true,
     "resolveJsonModule": true,
     "rootDir": "src",
-    "outDir": "../../dist/backend",
+    "outDir": "../dist/backend",
     "types": ["node", "vitest/globals"]
   },
   "include": ["src"]

app-new/dist/backend/azure-service.js

@@ -0,0 +1,107 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AzureImageService = void 0;
+const arm_compute_1 = require("@azure/arm-compute");
+const identity_1 = require("@azure/identity");
+const cache_1 = require("./cache");
+const version_1 = require("./version");
+const CACHE_TTL_MS = 5 * 60 * 1000;
+class AzureImageService {
+    subscriptionId;
+    credential = new identity_1.DefaultAzureCredential();
+    computeClient;
+    cache = new cache_1.MemoryCache();
+    constructor(subscriptionId) {
+        this.subscriptionId = subscriptionId;
+        this.computeClient = new arm_compute_1.ComputeManagementClient(this.credential, subscriptionId);
+    }
+    async getLocations() {
+        const cacheKey = "locations";
+        const cached = this.cache.get(cacheKey);
+        if (cached) {
+            return cached;
+        }
+        const token = await this.credential.getToken("https://management.azure.com/.default");
+        const url = `https://management.azure.com/subscriptions/${this.subscriptionId}/locations?api-version=2022-12-01`;
+        const response = await fetch(url, {
+            headers: {
+                Authorization: `Bearer ${token?.token ?? ""}`
+            }
+        });
+        if (!response.ok) {
+            throw new Error(`Failed to fetch Azure locations: ${response.status} ${response.statusText}`);
+        }
+        const payload = (await response.json());
+        const allLocations = (payload.value ?? [])
+            .filter((loc) => Boolean(loc.name))
+            .map((loc) => ({
+            name: loc.name,
+            displayName: loc.displayName ?? loc.name,
+            regionType: loc.metadata?.regionType
+        }));
+        const physical = allLocations.filter((loc) => loc.regionType?.toLowerCase() === "physical");
+        const locations = (physical.length > 0 ? physical : allLocations).map((loc) => ({
+            name: loc.name,
+            displayName: loc.displayName
+        }));
+        locations.sort((a, b) => a.name.localeCompare(b.name));
+        this.cache.set(cacheKey, locations, CACHE_TTL_MS);
+        return locations;
+    }
+    async getPublishers(location) {
+        const cacheKey = `publishers:${location}`;
+        const cached = this.cache.get(cacheKey);
+        if (cached) {
+            return cached;
+        }
+        const response = await this.computeClient.virtualMachineImages.listPublishers(location);
+        const publishers = this.extractNames(response).sort((a, b) => a.localeCompare(b));
+        this.cache.set(cacheKey, publishers, CACHE_TTL_MS);
+        return publishers;
+    }
+    async getOffers(location, publisher) {
+        const cacheKey = `offers:${location}:${publisher}`;
+        const cached = this.cache.get(cacheKey);
+        if (cached) {
+            return cached;
+        }
+        const response = await this.computeClient.virtualMachineImages.listOffers(location, publisher);
+        const offers = this.extractNames(response).sort((a, b) => a.localeCompare(b));
+        this.cache.set(cacheKey, offers, CACHE_TTL_MS);
+        return offers;
+    }
+    async getSkus(location, publisher, offer) {
+        const cacheKey = `skus:${location}:${publisher}:${offer}`;
+        const cached = this.cache.get(cacheKey);
+        if (cached) {
+            return cached;
+        }
+        const response = await this.computeClient.virtualMachineImages.listSkus(location, publisher, offer);
+        const skus = this.extractNames(response).sort((a, b) => a.localeCompare(b));
+        this.cache.set(cacheKey, skus, CACHE_TTL_MS);
+        return skus;
+    }
+    async getVersions(location, publisher, offer, sku) {
+        const cacheKey = `versions:${location}:${publisher}:${offer}:${sku}`;
+        const cached = this.cache.get(cacheKey);
+        if (cached) {
+            return cached;
+        }
+        const response = await this.computeClient.virtualMachineImages.list(location, publisher, offer, sku);
+        const versions = this.extractNames(response);
+        const sorted = (0, version_1.sortImageVersionsIfSemantic)(versions);
+        this.cache.set(cacheKey, sorted, CACHE_TTL_MS);
+        return sorted;
+    }
+    extractNames(source) {
+        const items = Array.isArray(source)
+            ? source
+            : typeof source === "object" && source !== null && "value" in source && Array.isArray(source.value)
+                ? source.value
+                : [];
+        return items
+            .map((item) => (typeof item === "object" && item !== null && "name" in item ? item.name : undefined))
+            .filter((value) => Boolean(value));
+    }
+}
+exports.AzureImageService = AzureImageService;

app-new/dist/backend/cache.js

@@ -0,0 +1,24 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MemoryCache = void 0;
+class MemoryCache {
+    store = new Map();
+    get(key) {
+        const hit = this.store.get(key);
+        if (!hit) {
+            return undefined;
+        }
+        if (Date.now() >= hit.expiresAt) {
+            this.store.delete(key);
+            return undefined;
+        }
+        return hit.value;
+    }
+    set(key, value, ttlMs) {
+        this.store.set(key, {
+            value,
+            expiresAt: Date.now() + ttlMs
+        });
+    }
+}
+exports.MemoryCache = MemoryCache;

app-new/dist/backend/server.js

@@ -0,0 +1,148 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.makeApp = void 0;
+const node_fs_1 = require("node:fs");
+const node_path_1 = require("node:path");
+const cors_1 = __importDefault(require("cors"));
+const express_1 = __importDefault(require("express"));
+const zod_1 = require("zod");
+const azure_service_1 = require("./azure-service");
+const template_service_1 = require("./template-service");
+const findAppNewRoot = () => {
+    const candidates = [(0, node_path_1.join)(__dirname, "../../.."), (0, node_path_1.join)(__dirname, "../..")];
+    for (const candidate of candidates) {
+        if ((0, node_fs_1.existsSync)((0, node_path_1.join)(candidate, "templates.json"))) {
+            return candidate;
+        }
+    }
+    throw new Error("Unable to resolve app-new root");
+};
+const queryLocation = zod_1.z.object({ location: zod_1.z.string().min(1) });
+const queryOffer = zod_1.z.object({ location: zod_1.z.string().min(1), publisher: zod_1.z.string().min(1) });
+const querySku = zod_1.z.object({ location: zod_1.z.string().min(1), publisher: zod_1.z.string().min(1), offer: zod_1.z.string().min(1) });
+const queryVersion = zod_1.z.object({ location: zod_1.z.string().min(1), publisher: zod_1.z.string().min(1), offer: zod_1.z.string().min(1), sku: zod_1.z.string().min(1) });
+const renderBody = zod_1.z.object({
+    templateFile: zod_1.z.string().min(1),
+    selection: zod_1.z.object({
+        location: zod_1.z.string().min(1),
+        publisher: zod_1.z.string().min(1),
+        offer: zod_1.z.string().min(1),
+        sku: zod_1.z.string().min(1),
+        version: zod_1.z.string().min(1)
+    })
+});
+const makeApp = () => {
+    const app = (0, express_1.default)();
+    const port = Number.parseInt(process.env.PORT ?? "3000", 10);
+    const subscriptionId = process.env.AZURE_SUBSCRIPTION_ID;
+    app.use((0, cors_1.default)());
+    app.use(express_1.default.json());
+    if (!subscriptionId) {
+        app.get("/api/health", (_req, res) => {
+            res.status(500).json({
+                status: "error",
+                message: "Missing AZURE_SUBSCRIPTION_ID"
+            });
+        });
+        return { app, port };
+    }
+    const azure = new azure_service_1.AzureImageService(subscriptionId);
+    const templates = new template_service_1.TemplateService();
+    app.get("/api/health", (_req, res) => {
+        res.json({ status: "ok" });
+    });
+    app.get("/api/locations", async (_req, res, next) => {
+        try {
+            res.json(await azure.getLocations());
+        }
+        catch (error) {
+            next(error);
+        }
+    });
+    app.get("/api/publishers", async (req, res, next) => {
+        try {
+            const { location } = queryLocation.parse(req.query);
+            res.json(await azure.getPublishers(location));
+        }
+        catch (error) {
+            next(error);
+        }
+    });
+    app.get("/api/offers", async (req, res, next) => {
+        try {
+            const { location, publisher } = queryOffer.parse(req.query);
+            res.json(await azure.getOffers(location, publisher));
+        }
+        catch (error) {
+            next(error);
+        }
+    });
+    app.get("/api/skus", async (req, res, next) => {
+        try {
+            const { location, publisher, offer } = querySku.parse(req.query);
+            res.json(await azure.getSkus(location, publisher, offer));
+        }
+        catch (error) {
+            next(error);
+        }
+    });
+    app.get("/api/versions", async (req, res, next) => {
+        try {
+            const { location, publisher, offer, sku } = queryVersion.parse(req.query);
+            res.json(await azure.getVersions(location, publisher, offer, sku));
+        }
+        catch (error) {
+            next(error);
+        }
+    });
+    app.get("/api/templates", (_req, res) => {
+        res.json(templates.getTemplates());
+    });
+    app.post("/api/render", (req, res, next) => {
+        try {
+            const payload = renderBody.parse(req.body);
+            const rendered = templates.render(payload.templateFile, payload.selection);
+            res.json({ rendered });
+        }
+        catch (error) {
+            next(error);
+        }
+    });
+    app.get("/api/sku-export", async (req, res, next) => {
+        try {
+            const { location, publisher, offer } = querySku.parse(req.query);
+            const skus = await azure.getSkus(location, publisher, offer);
+            res.json({ rendered: templates.buildSkuExport(skus) });
+        }
+        catch (error) {
+            next(error);
+        }
+    });
+    app.use((err, _req, res, _next) => {
+        if (err instanceof zod_1.z.ZodError) {
+            res.status(400).json({ message: "Invalid request", issues: err.issues });
+            return;
+        }
+        const message = err instanceof Error ? err.message : "Unexpected error";
+        res.status(500).json({ message });
+    });
+    const frontendRoot = (0, node_path_1.join)(findAppNewRoot(), "dist/frontend");
+    if ((0, node_fs_1.existsSync)(frontendRoot)) {
+        app.use(express_1.default.static(frontendRoot));
+        app.get(/^(?!\/api).*/, (_req, res) => {
+            res.sendFile((0, node_path_1.join)(frontendRoot, "index.html"));
+        });
+    }
+    return { app, port };
+};
+exports.makeApp = makeApp;
+if (require.main === module) {
+    const { app, port } = makeApp();
+    app.listen(port, () => {
+        // eslint-disable-next-line no-console
+        console.log(`azure-image-chooser listening on ${port}`);
+    });
+}

app-new/dist/backend/template-service.js

@@ -0,0 +1,36 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.TemplateService = void 0;
+const node_fs_1 = require("node:fs");
+const node_path_1 = require("node:path");
+const nunjucks_1 = __importDefault(require("nunjucks"));
+const findAppNewRoot = () => {
+    const candidates = [(0, node_path_1.join)(__dirname, "../../.."), (0, node_path_1.join)(__dirname, "../..")];
+    for (const candidate of candidates) {
+        if ((0, node_fs_1.existsSync)((0, node_path_1.join)(candidate, "templates.json"))) {
+            return candidate;
+        }
+    }
+    throw new Error("Unable to resolve app-new template root");
+};
+class TemplateService {
+    appNewRoot = findAppNewRoot();
+    env = nunjucks_1.default.configure((0, node_path_1.join)(this.appNewRoot, "templates"), {
+        autoescape: false,
+        noCache: true
+    });
+    templates = JSON.parse((0, node_fs_1.readFileSync)((0, node_path_1.join)(this.appNewRoot, "templates.json"), "utf8"));
+    getTemplates() {
+        return this.templates;
+    }
+    render(templateFile, selection) {
+        return this.env.render(templateFile, selection);
+    }
+    buildSkuExport(skus) {
+        return `[\n${skus.map((sku) => `\t\"${sku}\"`).join(",\n")}\n]`;
+    }
+}
+exports.TemplateService = TemplateService;

app-new/dist/backend/types.js

@@ -0,0 +1,2 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });

app-new/dist/backend/version.js

@@ -0,0 +1,21 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.sortImageVersionsIfSemantic = void 0;
+const SEMVER_PATTERN = /^[0-9]+\.[0-9]+\.[0-9]+$/;
+const semverSortKey = (value) => value.split(".").map((part) => Number.parseInt(part, 10));
+const sortImageVersionsIfSemantic = (versions) => {
+    if (!versions.every((value) => SEMVER_PATTERN.test(value))) {
+        return [...versions].sort((a, b) => a.localeCompare(b, undefined, { numeric: true, sensitivity: "base" }));
+    }
+    return [...versions].sort((a, b) => {
+        const aParts = semverSortKey(a);
+        const bParts = semverSortKey(b);
+        for (let i = 0; i < aParts.length; i += 1) {
+            if (aParts[i] !== bParts[i]) {
+                return aParts[i] - bParts[i];
+            }
+        }
+        return 0;
+    });
+};
+exports.sortImageVersionsIfSemantic = sortImageVersionsIfSemantic;

app-new/dist/frontend/index.html

@@ -0,0 +1,12 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Azure Image Chooser</title>
+    <script type="module" crossorigin src="/assets/index-DPvVOxFj.js"></script>
+  </head>
+  <body>
+    <div id="root"></div>
+  </body>
+</html>

app-new/frontend/package-lock.json

@@ -4334,22 +4334,6 @@
       "integrity": "sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==",
       "dev": true,
       "license": "MIT"
-    },
-    "node_modules/yaml": {
-      "version": "2.8.3",
-      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.8.3.tgz",
-      "integrity": "sha512-AvbaCLOO2Otw/lW5bmh9d/WEdcDFdQp2Z2ZUH3pX9U2ihyUY0nvLv7J6TrWowklRGPYbB/IuIMfYgxaCPg5Bpg==",
-      "extraneous": true,
-      "license": "ISC",
-      "bin": {
-        "yaml": "bin.mjs"
-      },
-      "engines": {
-        "node": ">= 14.6"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/eemeli"
-      }
     }
   }
 }

app-new/frontend/src/App.tsx

@@ -1,6 +1,7 @@
 import { useEffect, useMemo, useState } from "react";
 import {
   Alert,
+  Autocomplete,
   Box,
   Button,
   Card,
@@ -13,6 +14,7 @@ import {
   MenuItem,
   Select,
   Stack,
+  TextField,
   Typography
 } from "@mui/material";
 import { useQuery } from "@tanstack/react-query";
@@ -84,6 +86,32 @@ const App = () => {
     [selection, templateFile]
   );
 
+  const publishers = useMemo(
+    () => [...(publishersQuery.data ?? [])].sort((a, b) => a.localeCompare(b)),
+    [publishersQuery.data]
+  );
+  const offers = useMemo(
+    () => [...(offersQuery.data ?? [])].sort((a, b) => a.localeCompare(b)),
+    [offersQuery.data]
+  );
+  const skus = useMemo(
+    () => [...(skusQuery.data ?? [])].sort((a, b) => a.localeCompare(b)),
+    [skusQuery.data]
+  );
+  const versions = useMemo(
+    () => [...(versionsQuery.data ?? [])].sort((a, b) => a.localeCompare(b, undefined, { numeric: true, sensitivity: "base" })),
+    [versionsQuery.data]
+  );
+
+  const containsFilter = (options: string[], inputValue: string) => {
+    const query = inputValue.trim().toLowerCase();
+    if (!query) {
+      return options;
+    }
+
+    return options.filter((option) => option.toLowerCase().includes(query));
+  };
+
   const onRender = async () => {
     setRenderError("");
     try {
@@ -99,12 +127,13 @@ const App = () => {
   };
 
   const loading = locationsQuery.isLoading || templatesQuery.isLoading;
+  const locationsError = locationsQuery.error instanceof Error ? locationsQuery.error.message : "Failed to load locations";
 
   return (
-    <Box sx={{ minHeight: "100vh", py: 6 }}>
+    <Box sx={{ minHeight: "100vh", py: 4 }}>
       <Container maxWidth="lg">
         <Stack spacing={3}>
-          <Typography variant="h3" sx={{ fontWeight: 700 }}>
+          <Typography variant="h4" sx={{ fontWeight: 500 }}>
             Azure Image Chooser
           </Typography>
           <Typography color="text.secondary">
@@ -113,6 +142,8 @@ const App = () => {
 
           {loading ? (
             <CircularProgress />
+          ) : locationsQuery.isError ? (
+            <Alert severity="error">{locationsError}</Alert>
           ) : (
             <Card>
               <CardContent>
@@ -136,57 +167,36 @@ const App = () => {
                   </Grid>
 
                   <Grid size={{ xs: 12, md: 6 }}>
-                    <FormControl fullWidth disabled={!selection.location}>
+                    <Autocomplete
-                      <InputLabel id="publisher-label">Publisher</InputLabel>
+                      options={publishers}
-                      <Select
+                      value={selection.publisher || null}
-                        labelId="publisher-label"
+                      disabled={!selection.location}
-                        label="Publisher"
+                      onChange={(_event, value) => setSelection((prev) => ({ ...prev, publisher: value ?? "" }))}
-                        value={selection.publisher}
+                      filterOptions={(options, state) => containsFilter(options, state.inputValue)}
-                        onChange={(event) => setSelection((prev) => ({ ...prev, publisher: event.target.value }))}
+                      renderInput={(params) => <TextField {...params} label="Publisher" />}
-                      >
+                    />
-                        {(publishersQuery.data ?? []).map((publisher) => (
-                          <MenuItem key={publisher} value={publisher}>
-                            {publisher}
-                          </MenuItem>
-                        ))}
-                      </Select>
-                    </FormControl>
                   </Grid>
 
                   <Grid size={{ xs: 12, md: 4 }}>
-                    <FormControl fullWidth disabled={!selection.publisher}>
+                    <Autocomplete
-                      <InputLabel id="offer-label">Offer</InputLabel>
+                      options={offers}
-                      <Select
+                      value={selection.offer || null}
-                        labelId="offer-label"
+                      disabled={!selection.publisher}
-                        label="Offer"
+                      onChange={(_event, value) => setSelection((prev) => ({ ...prev, offer: value ?? "" }))}
-                        value={selection.offer}
+                      filterOptions={(options, state) => containsFilter(options, state.inputValue)}
-                        onChange={(event) => setSelection((prev) => ({ ...prev, offer: event.target.value }))}
+                      renderInput={(params) => <TextField {...params} label="Offer" />}
-                      >
+                    />
-                        {(offersQuery.data ?? []).map((offer) => (
-                          <MenuItem key={offer} value={offer}>
-                            {offer}
-                          </MenuItem>
-                        ))}
-                      </Select>
-                    </FormControl>
                   </Grid>
 
                   <Grid size={{ xs: 12, md: 4 }}>
-                    <FormControl fullWidth disabled={!selection.offer}>
+                    <Autocomplete
-                      <InputLabel id="sku-label">SKU</InputLabel>
+                      options={skus}
-                      <Select
+                      value={selection.sku || null}
-                        labelId="sku-label"
+                      disabled={!selection.offer}
-                        label="SKU"
+                      onChange={(_event, value) => setSelection((prev) => ({ ...prev, sku: value ?? "" }))}
-                        value={selection.sku}
+                      filterOptions={(options, state) => containsFilter(options, state.inputValue)}
-                        onChange={(event) => setSelection((prev) => ({ ...prev, sku: event.target.value }))}
+                      renderInput={(params) => <TextField {...params} label="SKU" />}
-                      >
+                    />
-                        {(skusQuery.data ?? []).map((sku) => (
-                          <MenuItem key={sku} value={sku}>
-                            {sku}
-                          </MenuItem>
-                        ))}
-                      </Select>
-                    </FormControl>
                   </Grid>
 
                   <Grid size={{ xs: 12, md: 4 }}>
@@ -198,7 +208,7 @@ const App = () => {
                         value={selection.version}
                         onChange={(event) => setSelection((prev) => ({ ...prev, version: event.target.value }))}
                       >
-                        {(versionsQuery.data ?? []).map((version) => (
+                        {versions.map((version) => (
                           <MenuItem key={version} value={version}>
                             {version}
                           </MenuItem>
@@ -226,7 +236,7 @@ const App = () => {
                   </Grid>
 
                   <Grid size={{ xs: 12, md: 4 }}>
-                    <Button fullWidth variant="contained" sx={{ height: "100%" }} onClick={onRender} disabled={!canRender}>
+                    <Button fullWidth variant="contained" sx={{ height: "100%" }} color="primary" onClick={onRender} disabled={!canRender}>
                       Generate usage
                     </Button>
                   </Grid>
@@ -241,7 +251,10 @@ const App = () => {
             <Card>
               <CardContent>
                 <Typography variant="h6">Usage snippet</Typography>
-                <Box component="pre" sx={{ overflowX: "auto", p: 2, bgcolor: "#0f172a", color: "#e2e8f0", borderRadius: 2 }}>
+                <Box
+                  component="pre"
+                  sx={{ overflowX: "auto", p: 2, bgcolor: "grey.100", color: "text.primary", borderRadius: 1, border: 1, borderColor: "divider" }}
+                >
                   {renderedUsage}
                 </Box>
               </CardContent>
@@ -252,7 +265,10 @@ const App = () => {
             <Card>
               <CardContent>
                 <Typography variant="h6">Available SKUs</Typography>
-                <Box component="pre" sx={{ overflowX: "auto", p: 2, bgcolor: "#111827", color: "#d1fae5", borderRadius: 2 }}>
+                <Box
+                  component="pre"
+                  sx={{ overflowX: "auto", p: 2, bgcolor: "grey.100", color: "text.primary", borderRadius: 1, border: 1, borderColor: "divider" }}
+                >
                   {skuExport}
                 </Box>
               </CardContent>

app-new/frontend/src/api.ts

@@ -3,7 +3,15 @@ import type { LocationOption, SelectionState, UsageTemplate } from "./types";
 const json = async <T>(path: string): Promise<T> => {
   const response = await fetch(path);
   if (!response.ok) {
-    throw new Error(`Request failed for ${path}`);
+    let details = "";
+    try {
+      const payload = (await response.json()) as { message?: string };
+      details = payload.message ?? "";
+    } catch {
+      // Ignore non-JSON error payloads.
+    }
+
+    throw new Error(details || `Request failed for ${path} (${response.status})`);
   }
 
   return (await response.json()) as T;

app-new/frontend/src/main.tsx

@@ -1,33 +1,16 @@
 import { StrictMode } from "react";
 import { createRoot } from "react-dom/client";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
-import { CssBaseline, ThemeProvider, createTheme } from "@mui/material";
+import { CssBaseline } from "@mui/material";
 import App from "./App";
 
 const queryClient = new QueryClient();
 
-const theme = createTheme({
-  palette: {
-    mode: "light",
-    primary: { main: "#00695f" },
-    secondary: { main: "#0d47a1" },
-    background: {
-      default: "#f4f8f7",
-      paper: "#ffffff"
-    }
-  },
-  shape: {
-    borderRadius: 12
-  }
-});
-
 createRoot(document.getElementById("root")!).render(
   <StrictMode>
     <QueryClientProvider client={queryClient}>
-      <ThemeProvider theme={theme}>
       <CssBaseline />
       <App />
-      </ThemeProvider>
     </QueryClientProvider>
   </StrictMode>
 );

app-new/frontend/test/app.test.tsx

@@ -32,10 +32,17 @@ describe("App", () => {
   });
 
   it("renders application heading", async () => {
-    const client = new QueryClient();
+    const client = new QueryClient({
+      defaultOptions: {
+        queries: {
+          retry: false,
+          gcTime: 0
+        }
+      }
+    });
     const theme = createTheme();
 
-    render(
+    const view = render(
       <QueryClientProvider client={client}>
         <ThemeProvider theme={theme}>
           <App />
@@ -44,5 +51,7 @@ describe("App", () => {
     );
 
     expect(await screen.findByText("Azure Image Chooser")).toBeInTheDocument();
+    view.unmount();
+    client.clear();
   });
 });

app-new/frontend/vite.config.ts

@@ -4,7 +4,7 @@ import react from "@vitejs/plugin-react";
 export default defineConfig({
   plugins: [react()],
   build: {
-    outDir: "../../dist/frontend",
+    outDir: "../dist/frontend",
     emptyOutDir: true
   },
   server: {

app-new/templates.json

@@ -0,0 +1,22 @@
+[
+  {
+    "label": "Terraform VM image reference",
+    "language": "hcl",
+    "file": "azurerm_hcl.tpl"
+  },
+  {
+    "label": "Azure CLI",
+    "language": "shell",
+    "file": "shell.tpl"
+  },
+  {
+    "label": "Azure Resource Manager Template",
+    "language": "json",
+    "file": "arm_vm.jsonc"
+  },
+  {
+    "label": "Bicep VM image reference",
+    "language": "bicep",
+    "file": "bicep_vm.tpl"
+  }
+]

app-new/templates/arm_vm.jsonc

@@ -0,0 +1,17 @@
+{
+    // This is a partial Azure virtual machine resource template.
+    "type": "Microsoft.Compute/virtualMachines",
+    "apiVersion": "2022-03-01",
+    "name": "example-vm",
+    "location": "westeurope",
+    "properties": {
+        "storageProfile": {
+            "imageReference": {
+                "publisher": "{{ publisher }}",
+                "offer": "{{ offer }}",
+                "sku": "{{ sku }}",
+                "version": "{{ version }}"
+            }
+        }
+    }
+}

app-new/templates/azurerm_hcl.tpl

@@ -0,0 +1,6 @@
+source_image_reference = {
+    publisher = "{{ publisher }}"
+    offer     = "{{ offer }}"
+    sku       = "{{ sku }}"
+    version   = "{{ version }}"
+}

app-new/templates/bicep_vm.tpl

@@ -0,0 +1,14 @@
+resource virtualMachine 'Microsoft.Compute/virtualMachines@2024-03-01' = {
+  name: 'example-vm'
+  location: resourceGroup().location
+  properties: {
+    storageProfile: {
+      imageReference: {
+        publisher: '{{ publisher }}'
+        offer: '{{ offer }}'
+        sku: '{{ sku }}'
+        version: '{{ version }}'
+      }
+    }
+  }
+}

app-new/templates/shell.tpl

@@ -0,0 +1 @@
+az create -n MyVM -g MyResourceGroup --image {{ publisher }}:{{ offer }}:{{ sku }}:{{ version }}

entrypoint.sh

@@ -1,4 +1,4 @@
 #!/usr/bin/env sh
 set -eu
 
-exec node dist/backend/server.js
+exec node /app-new/dist/backend/server.js