v1 - zumindest der adminpanel ist erreichbar

v2_adminpanel/Dockerfile

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+FROM python:3.11-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+EXPOSE 443
+
+CMD ["python", "app.py"]

v2_adminpanel/app.py

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+import os
+import psycopg2
+from flask import Flask, render_template, request, redirect, session, url_for
+from flask_session import Session
+from functools import wraps
+from dotenv import load_dotenv
+
+load_dotenv()
+
+app = Flask(__name__)
+app.config['SECRET_KEY'] = os.urandom(24)
+app.config['SESSION_TYPE'] = 'filesystem'
+Session(app)
+
+# Login decorator
+def login_required(f):
+    @wraps(f)
+    def decorated_function(*args, **kwargs):
+        if 'logged_in' not in session:
+            return redirect(url_for('login'))
+        return f(*args, **kwargs)
+    return decorated_function
+
+# DB-Verbindung
+def get_connection():
+    return psycopg2.connect(
+        host=os.getenv("POSTGRES_HOST", "postgres"),
+        port=os.getenv("POSTGRES_PORT", "5432"),
+        dbname=os.getenv("POSTGRES_DB"),
+        user=os.getenv("POSTGRES_USER"),
+        password=os.getenv("POSTGRES_PASSWORD")
+    )
+
+@app.route("/login", methods=["GET", "POST"])
+def login():
+    if request.method == "POST":
+        username = request.form.get("username")
+        password = request.form.get("password")
+        
+        # Check gegen beide Admin-Accounts aus .env
+        admin1_user = os.getenv("ADMIN1_USERNAME")
+        admin1_pass = os.getenv("ADMIN1_PASSWORD")
+        admin2_user = os.getenv("ADMIN2_USERNAME")
+        admin2_pass = os.getenv("ADMIN2_PASSWORD")
+        
+        if ((username == admin1_user and password == admin1_pass) or 
+            (username == admin2_user and password == admin2_pass)):
+            session['logged_in'] = True
+            session['username'] = username
+            return redirect(url_for('dashboard'))
+        else:
+            return render_template("login.html", error="Ungültige Anmeldedaten")
+    
+    return render_template("login.html")
+
+@app.route("/logout")
+def logout():
+    session.pop('logged_in', None)
+    session.pop('username', None)
+    return redirect(url_for('login'))
+
+@app.route("/", methods=["GET", "POST"])
+@login_required
+def dashboard():
+    if request.method == "POST":
+        name = request.form["customer_name"]
+        email = request.form["email"]
+        license_key = request.form["license_key"]
+        license_type = request.form["license_type"]
+        valid_from = request.form["valid_from"]
+        valid_until = request.form["valid_until"]
+
+        conn = get_connection()
+        cur = conn.cursor()
+
+        # Kunde einfügen (falls nicht vorhanden)
+        cur.execute("""
+            INSERT INTO customers (name, email, created_at)
+            VALUES (%s, %s, NOW())
+            RETURNING id
+        """, (name, email))
+        customer_id = cur.fetchone()[0]
+
+        # Lizenz hinzufügen
+        cur.execute("""
+            INSERT INTO licenses (license_key, customer_id, license_type, valid_from, valid_until, is_active)
+            VALUES (%s, %s, %s, %s, %s, TRUE)
+        """, (license_key, customer_id, license_type, valid_from, valid_until))
+
+        conn.commit()
+        cur.close()
+        conn.close()
+
+        return redirect("/")
+
+    return render_template("index.html", username=session.get('username'))
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=443, ssl_context='adhoc')

v2_adminpanel/init.sql

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+CREATE TABLE IF NOT EXISTS customers (
+    id SERIAL PRIMARY KEY,
+    name TEXT NOT NULL,
+    email TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS licenses (
+    id SERIAL PRIMARY KEY,
+    license_key TEXT UNIQUE NOT NULL,
+    customer_id INTEGER REFERENCES customers(id),
+    license_type TEXT NOT NULL,
+    valid_from DATE NOT NULL,
+    valid_until DATE NOT NULL,
+    is_active BOOLEAN DEFAULT TRUE
+);

v2_adminpanel/requirements.txt

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+flask
+flask-session
+psycopg2-binary
+python-dotenv
+pyopenssl

v2_adminpanel/templates/.env

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+POSTGRES_HOST=db
+POSTGRES_PORT=5432
+POSTGRES_DB=meinedatenbank
+POSTGRES_USER=adminuser
+POSTGRES_PASSWORD=supergeheimespasswort

v2_adminpanel/templates/index.html

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+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <title>Admin Panel – Lizenzverwaltung</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+</head>
+<body class="bg-light">
+<nav class="navbar navbar-dark bg-dark">
+    <div class="container">
+        <span class="navbar-brand">🎛️ Lizenzverwaltung</span>
+        <div class="d-flex align-items-center">
+            <span class="text-white me-3">Angemeldet als: {{ username }}</span>
+            <a href="/logout" class="btn btn-outline-light btn-sm">Abmelden</a>
+        </div>
+    </div>
+</nav>
+
+<div class="container py-5">
+    <h2 class="mb-4">Neue Lizenz erstellen</h2>
+
+    <form method="post" action="/">
+        <div class="row g-3">
+            <div class="col-md-6">
+                <label for="customerName" class="form-label">Kundenname</label>
+                <input type="text" class="form-control" id="customerName" name="customer_name" required>
+            </div>
+            <div class="col-md-6">
+                <label for="email" class="form-label">E-Mail</label>
+                <input type="email" class="form-control" id="email" name="email">
+            </div>
+            <div class="col-md-4">
+                <label for="licenseKey" class="form-label">Lizenzschlüssel</label>
+                <input type="text" class="form-control" id="licenseKey" name="license_key" required>
+            </div>
+            <div class="col-md-4">
+                <label for="licenseType" class="form-label">Lizenztyp</label>
+                <select class="form-select" id="licenseType" name="license_type" required>
+                    <option value="full">Vollversion</option>
+                    <option value="test">Testversion</option>
+                </select>
+            </div>
+            <div class="col-md-2">
+                <label for="validFrom" class="form-label">Kaufdatum</label>
+                <input type="date" class="form-control" id="validFrom" name="valid_from" required>
+            </div>
+            <div class="col-md-2">
+                <label for="validUntil" class="form-label">Ablaufdatum</label>
+                <input type="date" class="form-control" id="validUntil" name="valid_until" required>
+            </div>
+        </div>
+
+        <div class="mt-4">
+            <button type="submit" class="btn btn-primary">➕ Lizenz erstellen</button>
+        </div>
+    </form>
+</div>
+</body>
+</html>

v2_adminpanel/templates/login.html

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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>Admin Login - Lizenzverwaltung</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+</head>
+<body class="bg-light">
+    <div class="container">
+        <div class="row min-vh-100 align-items-center justify-content-center">
+            <div class="col-md-4">
+                <div class="card shadow">
+                    <div class="card-body p-5">
+                        <h2 class="text-center mb-4">🔐 Admin Login</h2>
+                        
+                        {% if error %}
+                        <div class="alert alert-danger" role="alert">
+                            {{ error }}
+                        </div>
+                        {% endif %}
+                        
+                        <form method="post">
+                            <div class="mb-3">
+                                <label for="username" class="form-label">Benutzername</label>
+                                <input type="text" class="form-control" id="username" name="username" required autofocus>
+                            </div>
+                            <div class="mb-3">
+                                <label for="password" class="form-label">Passwort</label>
+                                <input type="password" class="form-control" id="password" name="password" required>
+                            </div>
+                            <button type="submit" class="btn btn-primary w-100">Anmelden</button>
+                        </form>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</body>
+</html>