added initial istio BLAHAJ code

.gitignore

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+*.txt
+*.xml

apps/blahaj-common/app.mjs

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+// bun, es modules, minimal deps; one file serves all three services
+import http from 'http';
+
+const serviceName = process.env.SERVICE_NAME || 'blahaj';
+const emoji = process.env.SERVICE_EMOJI || '🦈';
+const friend = process.env.FRIEND_NAME || 'sea-friend';
+const port = Number(process.env.PORT || 8080);
+
+const ascii = `
+          __
+      _.-'  \\
+  _.-'  _.-'\\)   ${emoji}  // ascii blahaj says hi!
+ (____.-'             ~ waves ~
+`;
+
+const server = http.createServer((req, res) => {
+	const path = req.url || '/';
+	const message = {
+		service: serviceName,
+		says: `hello, ${friend}! i am ${serviceName} ✨`,
+		path,
+		mascot: 'BLÅHAJ',
+		fun: 'soft, cuddly shark energy',
+	};
+	res.setHeader('content-type', 'application/json; charset=utf-8');
+	res.end(JSON.stringify({ message, ascii }));
+});
+
+server.listen(port, () => {
+	console.log(`${serviceName} listening on ${port};`);
+});

apps/blahaj-common/bun.Dockerfile

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+FROM oven/bun:1.1.31-alpine AS base
+WORKDIR /app
+COPY app.mjs ./
+EXPOSE 8080
+ENV NODE_ENV=production
+CMD ["bun", "run", "app.mjs"]

apps/bubbles/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+    name: bubbles
+    namespace: demo
+spec:
+    replicas: 2
+    selector: { matchLabels: { app: bubbles } }
+    template:
+        metadata:
+            labels: { app: bubbles }
+        spec:
+            containers:
+                - name: app
+                  image: blahaj-bun:dev
+                  imagePullPolicy: IfNotPresent
+                  ports: [{ containerPort: 8080, name: http }]
+                  env:
+                      - { name: SERVICE_NAME, value: "bubbles" }
+                      - { name: SERVICE_EMOJI, value: "🫧" }
+                      - { name: FRIEND_NAME, value: "coral" }
+---
+apiVersion: v1
+kind: Service
+metadata:
+    name: bubbles
+    namespace: demo
+spec:
+    selector: { app: bubbles }
+    ports: [{ name: http, port: 80, targetPort: 8080 }]

apps/bubbles/kustomization.yaml

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+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources: [deployment.yaml, service.yaml]

apps/coral/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+    name: coral
+    namespace: demo
+spec:
+    replicas: 2
+    selector: { matchLabels: { app: coral } }
+    template:
+        metadata:
+            labels: { app: coral }
+        spec:
+            containers:
+                - name: app
+                  image: blahaj-bun:dev
+                  imagePullPolicy: IfNotPresent
+                  ports: [{ containerPort: 8080, name: http }]
+                  env:
+                      - { name: SERVICE_NAME, value: "coral" }
+                      - { name: SERVICE_EMOJI, value: "🪸" }
+                      - { name: FRIEND_NAME, value: "kelp" }
+---
+apiVersion: v1
+kind: Service
+metadata:
+    name: coral
+    namespace: demo
+spec:
+    selector: { app: coral }
+    ports: [{ name: http, port: 80, targetPort: 8080 }]

apps/coral/kustomization.yaml

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+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources: [deployment.yaml, service.yaml]

apps/kelp/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+    name: kelp
+    namespace: demo
+spec:
+    replicas: 2
+    selector: { matchLabels: { app: kelp } }
+    template:
+        metadata:
+            labels: { app: kelp }
+        spec:
+            containers:
+                - name: app
+                  image: blahaj-bun:dev
+                  imagePullPolicy: IfNotPresent
+                  ports: [{ containerPort: 8080, name: http }]
+                  env:
+                      - { name: SERVICE_NAME, value: "kelp" }
+                      - { name: SERVICE_EMOJI, value: "🌿" }
+                      - { name: FRIEND_NAME, value: "blahaj" }
+---
+apiVersion: v1
+kind: Service
+metadata:
+    name: kelp
+    namespace: demo
+spec:
+    selector: { app: kelp }
+    ports: [{ name: http, port: 80, targetPort: 8080 }]

apps/kelp/kustomization.yaml

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+# eh I wanted to try it
+
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources: [deployment.yaml, service.yaml]

apps/reef/Dockerfile

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+FROM oven/bun:1.1.31-alpine
+WORKDIR /app
+COPY server.mjs ./server.mjs
+COPY public ./public
+EXPOSE 8080
+CMD ["bun", "run", "server.mjs"]

apps/reef/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+    name: reef
+    namespace: demo
+spec:
+    replicas: 1
+    selector: { matchLabels: { app: reef } }
+    template:
+        metadata:
+            labels: { app: reef }
+        spec:
+            containers:
+                - name: app
+                  image: blahaj-bun:dev
+                  imagePullPolicy: IfNotPresent
+                  ports: [{ name: http, containerPort: 8080 }]
+---
+apiVersion: v1
+kind: Service
+metadata:
+    name: reef
+    namespace: demo
+spec:
+    selector: { app: reef }
+    ports: [{ name: http, port: 80, targetPort: 8080 }]

apps/reef/kustomization.yaml

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+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources: [deployment.yaml]

apps/reef/public/app.js

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+const endpoints = [
+	{ path: '/blahaj', title: 'bubbles greeter (blahaj)' },
+	{ path: '/kelp', title: 'kelp' },
+	{ path: '/coral', title: 'coral' },
+	{ path: '/bubbles', title: 'bubbles' },
+];
+
+const cards = document.querySelector('#cards');
+
+function cardDOM({ title, ok, data, error }) {
+	const el = document.createElement('article');
+	el.className = `card ${ok ? 'ok' : 'err'}`;
+
+	const h2 = document.createElement('h2');
+	h2.textContent = title;
+	el.appendChild(h2);
+
+	const pre = document.createElement('pre');
+	pre.textContent = ok ? JSON.stringify(data, null, 2) : String(error || 'error');
+	el.appendChild(pre);
+
+	return el;
+}
+
+async function fetchOne(path) {
+	const r = await fetch(path, { headers: { 'accept': 'application/json' } });
+	if (!r.ok) throw new Error(`${path} -> ${r.status}`);
+	return r.json();
+}
+
+async function refresh() {
+	cards.textContent = ''; // clear
+	for (const ep of endpoints) {
+		try {
+			const data = await fetchOne(ep.path);
+			cards.appendChild(cardDOM({ title: ep.title, ok: true, data }));
+		} catch (err) {
+			cards.appendChild(cardDOM({ title: ep.title, ok: false, error: err.message }));
+		}
+	}
+}
+
+document.querySelector('#refresh').addEventListener('click', () => refresh());
+refresh();

apps/reef/public/index.html

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+<!DOCTYPE html>
+<html lang="en">
+	<head>
+		<meta charset="utf-8" />
+		<title>blåhaj reef</title>
+		<meta name="viewport" content="width=device-width, initial-scale=1" />
+		<link href="/static/style.css" rel="stylesheet" />
+	</head>
+	<body>
+		<header>
+			<h1>🦈 blåhaj’s reef</h1>
+			<p>cute sea-friends saying hi (live from your mesh)</p>
+		</header>
+
+		<main id="cards"></main>
+
+		<footer>
+			<button id="refresh">refresh</button>
+		</footer>
+
+		<script type="module" src="/static/app.js"></script>
+	</body>
+</html>

apps/reef/public/style.css

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+/* soft, cute card ui */
+/* created by ChatGPT because god help me I can't UI */
+:root {
+	--bg: #0b132b;
+	--panel: #1c2541;
+	--ink: #e0e6ff;
+	--muted: #9fb3ff;
+	--ok: #3ddc97;
+	--err: #ff6b6b;
+}
+
+* {
+	box-sizing: border-box;
+}
+
+body {
+	margin: 0;
+	font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, sans-serif;
+	background: var(--bg);
+	color: var(--ink);
+}
+
+header {
+	padding: 24px;
+	text-align: center;
+}
+
+header h1 {
+	margin: 0 0 8px 0;
+	font-size: 28px;
+}
+
+header p {
+	margin: 0;
+	color: var(--muted);
+}
+
+#cards {
+	display: grid;
+	gap: 16px;
+	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
+	padding: 16px;
+	max-width: 1200px;
+	margin: 0 auto;
+}
+
+.card {
+	background: var(--panel);
+	border-radius: 16px;
+	padding: 16px;
+	box-shadow: 0 10px 24px rgba(0, 0, 0, .25);
+	border: 1px solid rgba(255, 255, 255, .06);
+}
+
+.card.ok {
+	outline: 2px solid var(--ok);
+}
+
+.card.err {
+	outline: 2px solid var(--err);
+}
+
+.card h2 {
+	margin: 0 0 8px 0;
+	font-size: 18px;
+}
+
+.card pre {
+	margin: 0;
+	white-space: pre-wrap;
+	word-break: break-word;
+	font-size: 13px;
+	color: #e9f2ff;
+}
+
+footer {
+	display: flex;
+	justify-content: center;
+	padding: 16px 0 32px;
+}
+
+button {
+	background: var(--ok);
+	color: #002b36;
+	border: 0;
+	padding: 10px 16px;
+	border-radius: 12px;
+	font-weight: 600;
+	cursor: pointer;
+}
+
+button:hover {
+	filter: brightness(.95);
+}

apps/reef/server.mjs

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+const serveFile = (path) => new Response(Bun.file(path));
+
+const server = Bun.serve({
+	port: Number(process.env.PORT || 8080),
+	async fetch(req) {
+		const url = new URL(req.url);
+		if (url.pathname === '/') return serveFile('./public/index.html');
+		if (url.pathname.startsWith('/static/')) {
+			return serveFile(`.${url.pathname}`);
+		}
+
+		return serveFile('./public/index.html');
+	},
+});
+
+console.log(`reef listening on ${server.port};`);

environments/dev/app-kelp.yaml

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+# THE  C H I L D
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+    name: app-kelp
+    namespace: argocd
+spec:
+    project: default
+    source:
+        repoURL: https://github.com/ION606/argo-temp.git
+        targetRevision: blahaj-app
+        path: apps/kelp
+    destination:
+        server: https://kubernetes.default.svc
+        namespace: demo
+    syncPolicy:
+        automated: { prune: true, selfHeal: true }

environments/dev/app-root.yaml

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+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+    name: blahaj-root
+    namespace: argocd
+spec:
+    project: default
+    source:
+        repoURL: https://github.com/ION606/argo-temp.git
+        targetRevision: blahaj-app
+        path: environments/dev
+        directory: { recurse: true }
+    destination:
+        server: https://kubernetes.default.svc
+        namespace: argocd
+    syncPolicy:
+        automated: { prune: true, selfHeal: true }

environments/dev/gateway.yaml

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+apiVersion: gateway.networking.k8s.io/v1
+kind: Gateway
+metadata:
+    name: blahaj-gw
+    namespace: demo
+spec:
+    gatewayClassName: istio
+    listeners:
+        - name: http
+          port: 80
+          protocol: HTTP

environments/dev/httproute.yaml

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+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+    name: blahaj-routes
+    namespace: demo
+spec:
+    parentRefs: [{ name: blahaj-gw }]
+    rules:
+        - matches: [{ path: { type: PathPrefix, value: "/" } }]
+          backendRefs: [{ name: reef, port: 80 }]
+        - matches: [{ path: { type: PathPrefix, value: "/kelp" } }]
+          backendRefs: [{ name: kelp, port: 80 }]
+        - matches: [{ path: { type: PathPrefix, value: "/coral" } }]
+          backendRefs: [{ name: coral, port: 80 }]
+        - matches: [{ path: { type: PathPrefix, value: "/bubbles" } }]
+          backendRefs: [{ name: bubbles, port: 80 }]
+        - matches: [{ path: { type: PathPrefix, value: "/blahaj" } }]
+          backendRefs: [{ name: bubbles, port: 80 }]

environments/dev/namespace.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+    name: demo
+    labels:
+        istio.io/dataplane-mode: ambient

run.sh

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+# build locally and and load into minikube
+docker build -t blahaj-bun:dev -f apps/blahaj-common/bun.Dockerfile apps/blahaj-common;
+docker build -t blahaj-bun:dev -f apps/reef/Dockerfile apps/reef;
+minikube image load blahaj-bun:dev;
+
+# apply k8s (plus existing kelp/coral/bubbles apps)
+kubectl apply -f apps/reef/kustomization.yaml -n demo --server-side --force-conflicts || true;
+kubectl -n demo apply -f apps/reef/deployment.yaml;
+kubectl -n demo apply -f apps/reef/kustomization.yaml;
+
+# ensure gateway + route exist (from env files)
+kubectl -n demo apply -f environments/dev/gateway.yaml;
+kubectl -n demo apply -f environments/dev/httproute.yaml;
+
+# open the gateway service
+minikube service -n istio-gateway -l gateway.istio.io/managed=yes --url
+# isit http://<host>:80/  (cards!)