Add project files

00_uebungs-files/02_docker-basics-react/src/App.css

@@ -0,0 +1,42 @@
+.App {
+  text-align: center;
+}
+
+.App-header {
+  background-color: #282c34;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  font-size: calc(10px + 2vmin);
+  color: white;
+}
+
+.counter {
+  margin: 2rem 0;
+  padding: 1rem;
+  background-color: rgba(255, 255, 255, 0.1);
+  border-radius: 8px;
+}
+
+button {
+  background-color: #61dafb;
+  border: none;
+  color: #282c34;
+  padding: 10px 20px;
+  font-size: 16px;
+  border-radius: 4px;
+  cursor: pointer;
+  font-weight: bold;
+}
+
+button:hover {
+  background-color: #4fa8c3;
+}
+
+.info {
+  margin-top: 2rem;
+  font-size: 0.8rem;
+  opacity: 0.7;
+}

00_uebungs-files/02_docker-basics-react/src/App.js

@@ -0,0 +1,28 @@
+import React, { useState } from 'react';
+import './App.css';
+
+function App() {
+  const [count, setCount] = useState(0);
+  
+  return (
+    <div className="App">
+      <header className="App-header">
+        <h1>React Docker Demo</h1>
+        <p>Diese App läuft in einem Docker-Container</p>
+        
+        <div className="counter">
+          <p>Du hast den Button {count} mal geklickt</p>
+          <button onClick={() => setCount(count + 1)}>
+            Klick mich!
+          </button>
+        </div>
+        
+        <p className="info">
+          Build-Zeit: {process.env.REACT_APP_BUILD_TIME || 'Unbekannt'}
+        </p>
+      </header>
+    </div>
+  );
+}
+
+export default App;

00_uebungs-files/02_docker-basics-react/src/index.css

@@ -0,0 +1,13 @@
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
+    monospace;
+}

00_uebungs-files/02_docker-basics-react/src/index.js

@@ -0,0 +1,11 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import './index.css';
+import App from './App';
+
+const root = ReactDOM.createRoot(document.getElementById('root'));
+root.render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+);