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This commit is contained in:
Frank Woeckener
2025-03-18 10:42:10 +01:00
parent e429c37f62
commit 3011456ddc
28 changed files with 757 additions and 4 deletions
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18
00_uebungs-files/01_docker-basics-php/Dockerfile Normal file
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FROM php:8.1-cli
# GD Extension installieren
RUN apt-get update && apt-get install -y \
libfreetype6-dev \
libjpeg62-turbo-dev \
libpng-dev \
&& docker-php-ext-configure gd --with-freetype --with-jpeg \
&& docker-php-ext-install -j$(nproc) gd
# PDO MySQL Extension installieren
RUN docker-php-ext-install pdo pdo_mysql
WORKDIR /app
COPY ./src .
# Entwicklungsserver starten
CMD ["php", "-S", "0.0.0.0:8000"]

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00_uebungs-files/01_docker-basics-php/docker-compose.yml Normal file
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version: '3'
services:
php-app:
build: .
ports:
- "8000:8000"
volumes:
- ./src:/app
environment:
DB_HOST: mysql-db
DB_USER: root
DB_PASSWORD: secret
DB_NAME: testdb
depends_on:
- mysql-db
networks:
- app-network
mysql-db:
image: mysql:8.0
environment:
MYSQL_ROOT_PASSWORD: secret
MYSQL_DATABASE: testdb
volumes:
- db-data:/var/lib/mysql
networks:
- app-network
networks:
app-network:
volumes:
db-data:

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<?php
$host = getenv('DB_HOST') ?: 'mysql-db';
$user = getenv('DB_USER') ?: 'root';
$pass = getenv('DB_PASSWORD') ?: 'secret';
$dbname = getenv('DB_NAME') ?: 'testdb';
echo "<h1>Datenbank-Verbindungstest</h1>";
echo "<p>Verbindungsversuch zu: $host</p>";
try {
// Verbindung erstellen
$conn = new PDO("mysql:host=$host;dbname=$dbname", $user, $pass);
// PDO-Fehlerbehandlung aktivieren
$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
echo "<div style='color:green;'>Verbindung erfolgreich!</div>";
// Prüfen, ob Testtabelle existiert, sonst erstellen
$stmt = $conn->query("SHOW TABLES LIKE 'test_table'");
if ($stmt->rowCount() == 0) {
$conn->exec("CREATE TABLE test_table (
id INT AUTO_INCREMENT PRIMARY KEY,
message VARCHAR(255),
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
)");
$conn->exec("INSERT INTO test_table (message) VALUES ('Testdaten 1')");
$conn->exec("INSERT INTO test_table (message) VALUES ('Testdaten 2')");
echo "<p>Testtabelle erstellt und mit Daten gefüllt.</p>";
}
// Daten auslesen
$stmt = $conn->query("SELECT * FROM test_table");
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
echo "<h2>Daten aus der Datenbank:</h2>";
echo "<table border='1'>";
echo "<tr><th>ID</th><th>Nachricht</th><th>Erstellt am</th></tr>";
foreach ($rows as $row) {
echo "<tr>";
echo "<td>" . $row['id'] . "</td>";
echo "<td>" . $row['message'] . "</td>";
echo "<td>" . $row['created_at'] . "</td>";
echo "</tr>";
}
echo "</table>";
} catch(PDOException $e) {
echo "<div style='color:red;'>Verbindungsfehler: " . $e->getMessage() . "</div>";
}
// Verbindung schließen
$conn = null;
?>
<p>Seite geladen um: <?php echo date('H:i:s'); ?></p>
<p><a href="index.php">Zurück zur Startseite</a></p>

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<?php
// Test für GD Extension
header('Content-Type: image/png');
// Canvas erstellen (300x200px)
$image = imagecreatetruecolor(300, 200);
// Farben definieren
$background = imagecolorallocate($image, 0, 153, 204);
$text_color = imagecolorallocate($image, 255, 255, 255);
$border_color = imagecolorallocate($image, 0, 0, 0);
// Hintergrund füllen
imagefill($image, 0, 0, $background);
// Rahmen zeichnen
imagerectangle($image, 0, 0, 299, 199, $border_color);
// Text schreiben
$text = "GD funktioniert!";
imagestring($image, 5, 60, 80, $text, $text_color);
// Zeit anzeigen
$time = date('H:i:s');
imagestring($image, 3, 100, 120, "Zeit: $time", $text_color);
// Bild ausgeben
imagepng($image);
imagedestroy($image);

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<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>PHP Docker Demo</title>
</head>
<body>
<h1>PHP Docker Demo</h1>
<h2>PHP Info</h2>
<p>PHP Version: <?php echo phpversion(); ?></p>
<h2>Tests</h2>
<ul>
<li><a href="image-test.php">GD Image Test</a> (benötigt GD Extension)</li>
<li><a href="db-test.php">Datenbank-Test</a> (benötigt MySQL/MariaDB Verbindung)</li>
</ul>
<p>Diese Datei wurde geladen um: <?php echo date('H:i:s'); ?></p>
</body>
</html>

7
00_uebungs-files/02_docker-basics-react/.dockerignore Normal file
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node_modules
npm-debug.log
build
.git
.github
.gitignore
README.md

30
00_uebungs-files/02_docker-basics-react/Dockerfile Normal file
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# Build-Stage
FROM node:16 AS build
WORKDIR /app
# Abhängigkeiten zuerst kopieren und installieren (für besseres Caching)
COPY package*.json ./
RUN npm install
# Den Rest der Anwendung kopieren
COPY . .
# Build-Zeit-Variable setzen
RUN echo "REACT_APP_BUILD_TIME=$(date)" > .env
# Anwendung bauen
RUN npm run build
# Production-Stage
FROM nginx:alpine
# Build-Output vom build-Stage kopieren
COPY --from=build /app/build /usr/share/nginx/html
# Nginx-Konfiguration (optional)
# COPY nginx.conf /etc/nginx/conf.d/default.conf
EXPOSE 80
CMD ["nginx", "-g", "daemon off;"]

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00_uebungs-files/02_docker-basics-react/package.json Normal file
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{
"name": "react-docker-demo",
"version": "0.1.0",
"private": true,
"dependencies": {
"react": "^18.2.0",
"react-dom": "^18.2.0"
},
"devDependencies": {
"react-scripts": "5.0.1"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test",
"eject": "react-scripts eject"
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
}
}

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#000000" />
<meta name="description" content="React Docker Demo App" />
<title>React Docker Demo</title>
</head>
<body>
<noscript>You need to enable JavaScript to run this app.</noscript>
<div id="root"></div>
</body>
</html>

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00_uebungs-files/02_docker-basics-react/src/App.css Normal file
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.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;
}

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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;

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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;
}

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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>
);

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00_uebungs-files/03_docker-compose/docker-compose.override.yml Normal file
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version: '3'
services:
nginx:
ports:
- "8080:80"
volumes:
- ./src:/var/www/html:delegated
environment:
- NGINX_HOST=localhost
- NGINX_PORT=80
php:
build:
context: ./docker/php
dockerfile: Dockerfile.dev
volumes:
- ./src:/var/www/html:delegated
environment:
- PHP_IDE_CONFIG=serverName=docker
extra_hosts:
- "host.docker.internal:host-gateway"
db:
ports:
- "3306:3306"

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version: '3'
services:
nginx:
image: nginx:alpine
ports:
- "8000:80"
volumes:
- ./src:/var/www/html
- ./docker/nginx/default.conf:/etc/nginx/conf.d/default.conf
depends_on:
- php
networks:
- frontend
- backend
php:
build:
context: ./docker/php
dockerfile: Dockerfile
volumes:
- ./src:/var/www/html
environment:
- DB_HOST=db
- DB_USER=root
- DB_PASS=secret
- DB_NAME=testdb
networks:
- backend
depends_on:
- db
db:
image: mysql:8.0
command: --default-authentication-plugin=mysql_native_password
environment:
- MYSQL_ROOT_PASSWORD=secret
- MYSQL_DATABASE=testdb
volumes:
- db_data:/var/lib/mysql
networks:
- backend
networks:
frontend:
backend:
internal: true
volumes:
db_data:

17
00_uebungs-files/03_docker-compose/docker/nginx/default.conf Normal file
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server {
listen 80;
server_name localhost;
root /var/www/html;
index index.php index.html;
location / {
try_files $uri $uri/ /index.php?$query_string;
}
location ~ \.php$ {
fastcgi_pass php:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
}
}

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00_uebungs-files/03_docker-compose/docker/php/Dockerfile Normal file
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FROM php:8.1-fpm
# Abhängigkeiten installieren
RUN apt-get update && apt-get install -y \
libfreetype6-dev \
libjpeg62-turbo-dev \
libpng-dev \
libzip-dev \
zip \
unzip
# PHP Extensions installieren
RUN docker-php-ext-configure gd --with-freetype --with-jpeg \
&& docker-php-ext-install -j$(nproc) \
gd \
pdo \
pdo_mysql \
zip
# OPCache für Produktion aktivieren
RUN docker-php-ext-install opcache \
&& docker-php-ext-enable opcache
WORKDIR /var/www/html
# Produktionskonfiguration nutzen
RUN cp /usr/local/etc/php/php.ini-production /usr/local/etc/php/php.ini

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00_uebungs-files/03_docker-compose/docker/php/Dockerfile.dev Normal file
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FROM php:8.1-fpm
# Abhängigkeiten installieren
RUN apt-get update && apt-get install -y \
libfreetype6-dev \
libjpeg62-turbo-dev \
libpng-dev \
libzip-dev \
zip \
unzip
# PHP Extensions installieren
RUN docker-php-ext-configure gd --with-freetype --with-jpeg \
&& docker-php-ext-install -j$(nproc) \
gd \
pdo \
pdo_mysql \
zip
# Development-Konfiguration nutzen
RUN cp /usr/local/etc/php/php.ini-development /usr/local/etc/php/php.ini
# Xdebug installieren
RUN pecl install xdebug \
&& docker-php-ext-enable xdebug
# Xdebug-Konfiguration kopieren
COPY xdebug.ini /usr/local/etc/php/conf.d/xdebug.ini
WORKDIR /var/www/html

7
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zend_extension=xdebug
xdebug.mode=develop,debug
xdebug.start_with_request=yes
xdebug.client_host=host.docker.internal
xdebug.client_port=9003
xdebug.log=/var/log/xdebug.log

59
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<?php
$host = getenv('DB_HOST') ?: 'db';
$user = getenv('DB_USER') ?: 'root';
$pass = getenv('DB_PASS') ?: 'secret';
$dbname = getenv('DB_NAME') ?: 'testdb';
echo "<h1>Datenbank-Verbindungstest</h1>";
echo "<p>Verbindungsversuch zu: $host</p>";
try {
// Verbindung erstellen
$conn = new PDO("mysql:host=$host;dbname=$dbname", $user, $pass);
// PDO-Fehlerbehandlung aktivieren
$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
echo "<div style='color:green;'>Verbindung erfolgreich!</div>";
// Prüfen, ob Testtabelle existiert, sonst erstellen
$stmt = $conn->query("SHOW TABLES LIKE 'test_table'");
if ($stmt->rowCount() == 0) {
$conn->exec("CREATE TABLE test_table (
id INT AUTO_INCREMENT PRIMARY KEY,
message VARCHAR(255),
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
)");
$conn->exec("INSERT INTO test_table (message) VALUES ('Testdaten 1')");
$conn->exec("INSERT INTO test_table (message) VALUES ('Testdaten 2')");
echo "<p>Testtabelle erstellt und mit Daten gefüllt.</p>";
}
// Daten auslesen
$stmt = $conn->query("SELECT * FROM test_table");
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
echo "<h2>Daten aus der Datenbank:</h2>";
echo "<table border='1'>";
echo "<tr><th>ID</th><th>Nachricht</th><th>Erstellt am</th></tr>";
foreach ($rows as $row) {
echo "<tr>";
echo "<td>" . $row['id'] . "</td>";
echo "<td>" . $row['message'] . "</td>";
echo "<td>" . $row['created_at'] . "</td>";
echo "</tr>";
}
echo "</table>";
} catch(PDOException $e) {
echo "<div style='color:red;'>Verbindungsfehler: " . $e->getMessage() . "</div>";
}
// Verbindung schließen
$conn = null;
?>
<p>Seite geladen um: <?php echo date('H:i:s'); ?></p>
<p><a href="index.php">Zurück zur Startseite</a></p>

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<?php
// Test für GD Extension
header('Content-Type: image/png');
// Canvas erstellen (300x200px)
$image = imagecreatetruecolor(300, 200);
// Farben definieren
$background = imagecolorallocate($image, 0, 153, 204);
$text_color = imagecolorallocate($image, 255, 255, 255);
$border_color = imagecolorallocate($image, 0, 0, 0);
// Hintergrund füllen
imagefill($image, 0, 0, $background);
// Rahmen zeichnen
imagerectangle($image, 0, 0, 299, 199, $border_color);
// Text schreiben
$text = "GD funktioniert!";
imagestring($image, 5, 60, 80, $text, $text_color);
// Zeit anzeigen
$time = date('H:i:s');
imagestring($image, 3, 100, 120, "Zeit: $time", $text_color);
// Bild ausgeben
imagepng($image);
imagedestroy($image);

36
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<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>PHP Docker Demo</title>
<style>
body { font-family: Arial, sans-serif; max-width: 800px; margin: 0 auto; padding: 20px; }
h1 { color: #0066cc; }
.info { background-color: #f0f0f0; padding: 15px; border-radius: 5px; }
</style>
</head>
<body>
<h1>PHP-FPM mit Nginx Docker Demo</h1>
<div class="info">
<p>PHP Version: <?php echo phpversion(); ?></p>
<p>Server Software: <?php echo $_SERVER['SERVER_SOFTWARE']; ?></p>
<p>Ausgeführt von: <?php echo exec('whoami'); ?></p>
<p>Zeitstempel: <?php echo date('Y-m-d H:i:s'); ?></p>
</div>
<h2>Extension Tests</h2>
<ul>
<li><a href="image-test.php">GD Image Test</a> (benötigt GD Extension)</li>
<li><a href="db-test.php">Datenbank-Test</a> (benötigt MySQL/MariaDB Verbindung)</li>
</ul>
<h3>Installierte PHP Extensions:</h3>
<ul>
<?php foreach(get_loaded_extensions() as $ext): ?>
<li><?php echo $ext; ?></li>
<?php endforeach; ?>
</ul>
</body>
</html>

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FROM php:8.1-fpm
WORKDIR /var/www/html
COPY composer.json ./
RUN apt-get update && apt-get install -y \
zip \
unzip \
&& docker-php-ext-install pdo pdo_mysql
RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
RUN composer install --no-scripts --no-autoloader
COPY . .
RUN composer dump-autoload --optimize
EXPOSE 9000
CMD ["php-fpm"]

14
00_vortrags-files/composer.json Normal file
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{
"name": "example/php-docker-demo",
"description": "Eine einfache PHP-Anwendung für Docker",
"type": "project",
"require": {
"php": ">=8.1",
"monolog/monolog": "^2.8"
},
"autoload": {
"psr-4": {
"App\\": "src/"
}
}
}

29
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@@ -0,0 +1,29 @@
worker_processes 1;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
sendfile on;
keepalive_timeout 65;
server {
listen 9090;
server_name localhost;
root /var/www/html/public;
index index.php;
location ~ \.php$ {
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
}
}
include servers/*;
}

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<?php
require __DIR__ . '/../vendor/autoload.php';
use App\HelloWorld;
use Monolog\Logger;
use Monolog\Handler\StreamHandler;
// Logger initialisieren
$log = new Logger('app');
$log->pushHandler(new StreamHandler('php://stdout', Logger::INFO));
$log->info('Anwendung gestartet');
// HelloWorld-Klasse verwenden
$hello = new HelloWorld();
$message = $hello->getMessage();
?>
<!DOCTYPE html>
<html>
<head>
<title>Docker PHP Demo</title>
<style>
body { font-family: Arial, sans-serif; margin: 40px; line-height: 1.6; }
.container { max-width: 800px; margin: 0 auto; }
.status { padding: 10px; margin: 10px 0; border-radius: 4px; }
.success { background-color: #d4edda; color: #155724; }
.error { background-color: #f8d7da; color: #721c24; }
</style>
</head>
<body>
<div class="container">
<h1>PHP Docker Demo</h1>
<p>Dies ist eine einfache PHP-Anwendung für Docker-Demo.</p>
<h2>Status</h2>
<div class="status success">
<p><?php echo $message; ?></p>
</div>
<h2>PHP Info</h2>
<p>PHP Version: <?php echo phpversion(); ?></p>
<p>Loaded Extensions:</p>
<ul>
<?php foreach(get_loaded_extensions() as $ext): ?>
<li><?php echo $ext; ?></li>
<?php endforeach; ?>
</ul>
</div>
</body>
</html>

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<?php
namespace App;
class HelloWorld
{
public function getMessage(): string
{
return 'Hallo Welt! Die PHP-Anwendung läuft in Docker.';
}
}

18
01 docker-basics.md
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@@ -18,6 +18,12 @@
docker search nginx
```
### Offizielle Images mit Doku
- [https://hub.docker.com/_/mysql](https://hub.docker.com/_/mysql)
- [https://hub.docker.com/_/nginx](https://hub.docker.com/_/nginx)
- [https://hub.docker.com/_/node](https://hub.docker.com/_/node)
- [https://hub.docker.com/_/php](https://hub.docker.com/_/php)
### Images und Container
- **Image**: Unveränderbare Vorlage
```bash
@@ -49,15 +55,19 @@
```dockerfile
FROM php:8.1-fpm
WORKDIR /var/www/html
COPY composer.json composer.lock ./
RUN apt-get update && apt-get install -y \
zip \
unzip \
COPY composer.json ./
RUN apt-get update && apt-get install -y zip unzip \
&& docker-php-ext-install pdo pdo_mysql
RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
RUN composer install --no-scripts --no-autoloader
COPY . .
RUN composer dump-autoload --optimize
EXPOSE 9000
CMD ["php-fpm"]
```