V 2.0.0 ferige Version

2026-03-16 09:20:30 +01:00
parent 244544492f
commit 889ed597ae
37 changed files with 1146 additions and 118 deletions
--- a/.dockerignore
+++ b/.dockerignore
@@ -0,0 +1,14 @@
+.git
+.gitignore
+.next
+node_modules
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.DS_Store
+*.tsbuildinfo
+README.md
+scripts/
+.env*
+docker-compose.yml
+Dockerfile
--- a/.gitignore
+++ b/.gitignore
@@ -38,4 +38,15 @@ yarn-error.log*

 # typescript
 *.tsbuildinfo
+
+# IDE
+.vscode/
+.idea/
+
+# OS
+.DS_Store
+Thumbs.db
+
+# scripts temp
+scripts/*.bak
 next-env.d.ts
--- a/25
+++ b/25
@@ -0,0 +1,25 @@
+FROM node:22-slim AS deps
+WORKDIR /app
+RUN apt-get update && apt-get upgrade -y && rm -rf /var/lib/apt/lists/*
+COPY package.json package-lock.json ./
+RUN npm ci --omit=dev
+
+FROM node:22-slim AS builder
+WORKDIR /app
+RUN apt-get update && apt-get upgrade -y && rm -rf /var/lib/apt/lists/*
+COPY package.json package-lock.json ./
+RUN npm ci
+COPY . .
+RUN npm run build
+
+FROM node:22-slim AS runner
+WORKDIR /app
+RUN apt-get update && apt-get upgrade -y && rm -rf /var/lib/apt/lists/*
+ENV NODE_ENV=production
+COPY --from=deps /app/node_modules ./node_modules
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/package.json ./package.json
+COPY --from=builder /app/next.config.ts ./next.config.ts
+EXPOSE 3000
+CMD ["npm", "start"]
--- a/app/api/data/route.ts
+++ b/app/api/data/route.ts
@@ -0,0 +1,23 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { doMySQL } from '@/lib/mysqlinterface';
+
+export async function GET(request: NextRequest) {
+  const searchParams = request.nextUrl.searchParams;
+  const options = {
+    curdate: searchParams.get('curdate') ?? undefined,
+    testing: searchParams.get('test') ?? undefined,
+  };
+  const erg = await doMySQL('getlastdata', options);
+  return NextResponse.json(erg);
+}
+
+export async function POST(request: NextRequest) {
+  const searchParams = request.nextUrl.searchParams;
+  const body = await request.json();
+  const options = {
+    data: body,
+    testing: searchParams.get('test') ?? undefined,
+  };
+  const erg = await doMySQL('putdata', options);
+  return NextResponse.json(erg);
+}
--- a/app/components/SpritzClient.tsx
+++ b/app/components/SpritzClient.tsx
@@ -0,0 +1,235 @@
+'use client';
+
+import { useEffect, useState, useCallback, useRef } from 'react';
+import { DateTime } from 'luxon';
+
+interface DataItem {
+  day: string;
+  status: boolean;
+  einheit: number;
+}
+
+interface Schema {
+  curdate: string;
+  months: string[];
+  years: string[];
+  data: DataItem[];
+  einheit: number;
+}
+
+export interface SysParams {
+  testing: boolean;
+  doinit: boolean;
+  einheit: number;
+  version: string;
+  date: string;
+}
+
+interface Props {
+  sysParams: SysParams;
+}
+
+function CellContent({ day, einheit }: { day: DateTime; einheit: number }) {
+  return (
+    <div className="inner">
+      {day.toFormat('d')}
+      <div className="lowline small">
+        <div className="wtg">{day.setLocale('de').toFormat('ccc')}</div>
+        <div className="eh">{einheit !== 0 ? einheit : ''}</div>
+      </div>
+    </div>
+  );
+}
+
+function buildMonthsLabel(s: Schema): string {
+  let months = s.months.join(' - ');
+  months += ' ';
+  months += s.years.join('/');
+  return months;
+}
+
+export default function SpritzClient({ sysParams }: Props) {
+  const [schema, setSchema] = useState<Schema | null>(null);
+  const [curEinheit, setCurEinheit] = useState<number>(sysParams.einheit);
+  const [monthsLabel, setMonthsLabel] = useState<string>('');
+  const [einheitInput, setEinheitInput] = useState<number>(sysParams.einheit);
+
+  const schemaRef = useRef<Schema | null>(null);
+  const curEinheitRef = useRef<number>(sysParams.einheit);
+
+  schemaRef.current = schema;
+  curEinheitRef.current = curEinheit;
+
+  const apiUrl = sysParams.testing ? '/api/data?test=true' : '/api/data';
+
+  async function fetchData(): Promise<{ data: Schema | null; err: string | null }> {
+    const res = await fetch(apiUrl);
+    return res.json();
+  }
+
+  async function storeData(data: Schema): Promise<unknown> {
+    const response = await fetch(apiUrl, {
+      method: 'POST',
+      body: JSON.stringify(data),
+      headers: { 'Content-Type': 'application/json' },
+    });
+    return response.json();
+  }
+
+  async function initSchema(startdate: string): Promise<Schema> {
+    const setArray: DataItem[] = [];
+    const monthArray: string[] = [];
+    const yearsArray: string[] = [];
+    const ld0 = DateTime.fromISO(startdate);
+    let k = 0;
+    for (let i = 0; i < 35; i++) {
+      const elem: DataItem = { status: false, einheit: 0, day: '' };
+      if (i === 17) {
+        elem.day = '';
+      } else {
+        const ld = ld0.plus({ day: k });
+        elem.day = ld.toFormat('y-LL-dd');
+        const month = ld.setLocale('de').toFormat('LLLL');
+        const year = ld.toFormat('y');
+        if (!monthArray.includes(month)) monthArray.push(month);
+        if (!yearsArray.includes(year)) yearsArray.push(year);
+        k++;
+      }
+      setArray.push(elem);
+    }
+    const newSchema: Schema = {
+      curdate: startdate,
+      months: monthArray,
+      years: yearsArray,
+      data: setArray,
+      einheit: curEinheitRef.current,
+    };
+    await storeData(newSchema);
+    return newSchema;
+  }
+
+  function applySchema(s: Schema) {
+    // Update einheit input to last non-zero einheit found in data
+    let lastEinheit = s.einheit;
+    for (const item of s.data) {
+      if (item.einheit !== 0) lastEinheit = item.einheit;
+    }
+    if (lastEinheit !== 0 && curEinheitRef.current === 0) {
+      setCurEinheit(lastEinheit);
+      curEinheitRef.current = lastEinheit;
+      setEinheitInput(lastEinheit);
+    }
+    setMonthsLabel(buildMonthsLabel(s));
+    setSchema(s);
+  }
+
+  useEffect(() => {
+    async function init() {
+      let s: Schema | null = null;
+      if (sysParams.doinit) {
+        s = await initSchema('2023-05-01');
+      }
+      if (!s) {
+        const ret = await fetchData();
+        s = ret.data;
+      }
+      if (!s) {
+        // DB leer → neues Schema mit aktuellem Datum anlegen
+        const today = DateTime.now().toFormat('y-LL-dd');
+        s = await initSchema(today);
+      }
+      if (s) {
+        applySchema(s);
+      }
+    }
+    init();
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, []);
+
+  const handleClick = useCallback(async (e: React.MouseEvent<HTMLDivElement>) => {
+    const button = (e.target as HTMLElement).closest('button') as HTMLButtonElement | null;
+    if (!button || button.disabled) return;
+    const currentSchema = schemaRef.current;
+    if (!currentSchema) return;
+
+    const idNum = parseInt(button.id.slice(2)) - 1; // 0-basierter Index
+    const lastDay = currentSchema.data[34].day;
+
+    const newSchema: Schema = {
+      ...currentSchema,
+      data: currentSchema.data.map((item, idx) => {
+        if (idx === idNum) {
+          return { ...item, status: !item.status, einheit: curEinheitRef.current };
+        }
+        return item;
+      }),
+    };
+
+    await storeData(newSchema);
+    applySchema(newSchema);
+
+    // Letzten Button (bt35) geklickt → nächste Periode anlegen
+    if (button.id === 'bt35') {
+      const nextDate = DateTime.fromISO(lastDay).plus({ day: 1 }).toFormat('y-LL-dd');
+      const nextSchema = await initSchema(nextDate);
+      applySchema(nextSchema);
+    }
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, []);
+
+  const handleEinheitChange = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
+    const val = parseInt(e.target.value) || 0;
+    setCurEinheit(val);
+    curEinheitRef.current = val;
+    setEinheitInput(val);
+    if (schemaRef.current) {
+      schemaRef.current = { ...schemaRef.current, einheit: val };
+    }
+  }, []);
+
+  if (!schema) {
+    return <div style={{ padding: '30px' }}>Lade…</div>;
+  }
+
+  return (
+    <div className="spritztab">
+      <h1>Spritz-Tabelle</h1>
+      <h2 id="curmon">{monthsLabel}</h2>
+      <div id="sptab" onClick={handleClick}>
+        {schema.data.map((item, idx) => {
+          const btId = `bt${idx + 1}`;
+          const day = item.day ? DateTime.fromISO(item.day) : null;
+          const isDisabled = item.day === '';
+          const ariaLabel = isDisabled ? 'o' : item.status ? 'x' : '';
+          const displayEinheit = item.einheit !== 0 ? item.einheit : (item.status ? schema.einheit : 0);
+          return (
+            <button
+              key={btId}
+              id={btId}
+              disabled={isDisabled}
+              aria-label={ariaLabel}
+            >
+              {day && <CellContent day={day} einheit={displayEinheit} />}
+            </button>
+          );
+        })}
+      </div>
+      <div id="infeld">
+        <label htmlFor="einheiten">Einheiten:</label>
+        <input
+          id="einheiten"
+          type="number"
+          min={0}
+          max={100}
+          value={einheitInput}
+          onChange={handleEinheitChange}
+        />
+      </div>
+      <footer>
+        <div id="v">
+          Version {sysParams.version} vom {sysParams.date}
+        </div>
+      </footer>
+    </div>
+  );
+}
--- a/app/globals.css
+++ b/app/globals.css
@@ -1,42 +1,103 @@
-:root {
-  --background: #ffffff;
-  --foreground: #171717;
-}
-
-@media (prefers-color-scheme: dark) {
-  :root {
-    --background: #0a0a0a;
-    --foreground: #ededed;
-  }
-}
-
-html,
 body {
-  max-width: 100vw;
-  overflow-x: hidden;
-}
-
-body {
-  color: var(--foreground);
-  background: var(--background);
-  font-family: Arial, Helvetica, sans-serif;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-}
-
-* {
-  box-sizing: border-box;
-  padding: 0;
  margin: 0;
+  padding: 0;
+  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
 }

 a {
-  color: inherit;
-  text-decoration: none;
+  color: #00B7FF;
 }

-@media (prefers-color-scheme: dark) {
-  html {
-    color-scheme: dark;
+.spritztab #sptab {
+  width: 91vmin;
+  height: 65vmin;
+  display: grid;
+  grid-template-columns: repeat(7, 1fr);
+  gap: 0;
+  margin: 3vmin auto;
 }
+
+.spritztab h1 {
+  text-align: center;
+  margin-top: 3vmin;
+  font-size: 8vmin;
+}
+
+.spritztab h2 {
+  text-align: center;
+  font-size: 5vmin;
+}
+
+.spritztab button {
+  width: 13vmin;
+  height: 13vmin;
+  background: white;
+  border: 1px solid black;
+  margin: 0;
+  font-size: 3.5vmin;
+  color: black;
+  display: flex;
+  align-items: flex-start;
+  justify-content: center;
+  padding: 0.5vmin 0.5vmin 0;
+  box-sizing: border-box;
+  overflow: hidden;
+}
+
+.spritztab [aria-label="o"] {
+  background-image: url('data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201%201%22%3E%3Ccircle%20cx%3D%220.5%22%20cy%3D%220.5%22%20r%3D%220.4%22%20fill%3D%22none%22%20stroke-width%3D%220.1%22%20stroke%3D%22blue%22%2F%3E%3C%2Fsvg%3E');
+}
+
+.spritztab [aria-label="x"] {
+  background-image: url('data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201%201%22%3E%3Cline%20x1%3D%220.1%22%20y1%3D%220.1%22%20x2%3D%220.9%22%20y2%3D%220.9%22%20stroke-width%3D%220.1%22%20stroke%3D%22red%22%2F%3E%3Cline%20x1%3D%220.1%22%20y1%3D%220.9%22%20x2%3D%220.9%22%20y2%3D%220.1%22%20stroke-width%3D%220.1%22%20stroke%3D%22red%22%2F%3E%3C%2Fsvg%3E');
+}
+
+.small {
+  font-size: 60%;
+  color: gray;
+}
+
+#infeld {
+  width: 91vmin;
+  margin: auto;
+  font-size: 3.5vmin;
+}
+
+#einheiten {
+  font-size: 3.5vmin;
+  margin-left: 2vmin;
+}
+
+footer {
+  width: 91vmin;
+  margin: auto;
+  font-size: 2vmin;
+}
+#v {
+  text-align: right;
+}
+
+
+ 
+ 
+
+
+.inner {
+  width: 100%;
+  line-height: 1.1;
+}
+
+.lowline {
+  width: 100%;
+  clear: both;
+  margin-top: 0.5vmin;
+}
+
+.eh {
+  color: black;
+  float: right;
+}
+
+.wtg {
+  float: left;
 }
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -1,20 +1,33 @@
-import type { Metadata } from "next";
-import { Geist, Geist_Mono } from "next/font/google";
+import type { Metadata, Viewport } from "next";
 import "./globals.css";

-const geistSans = Geist({
-  variable: "--font-geist-sans",
-  subsets: ["latin"],
-});
-
-const geistMono = Geist_Mono({
-  variable: "--font-geist-mono",
-  subsets: ["latin"],
-});
+export const viewport: Viewport = {
+  width: 'device-width',
+  initialScale: 1,
+};

 export const metadata: Metadata = {
-  title: "Create Next App",
-  description: "Generated by create next app",
+  title: "Spritzschema",
+  manifest: "/manifest.json",
+  icons: {
+    apple: [
+      { url: "/apple-icon-57x57.png", sizes: "57x57" },
+      { url: "/apple-icon-60x60.png", sizes: "60x60" },
+      { url: "/apple-icon-72x72.png", sizes: "72x72" },
+      { url: "/apple-icon-76x76.png", sizes: "76x76" },
+      { url: "/apple-icon-114x114.png", sizes: "114x114" },
+      { url: "/apple-icon-120x120.png", sizes: "120x120" },
+      { url: "/apple-icon-144x144.png", sizes: "144x144" },
+      { url: "/apple-icon-152x152.png", sizes: "152x152" },
+      { url: "/apple-icon-180x180.png", sizes: "180x180" },
+    ],
+    icon: [
+      { url: "/android-icon-192x192.png", sizes: "192x192", type: "image/png" },
+      { url: "/favicon-32x32.png", sizes: "32x32", type: "image/png" },
+      { url: "/favicon-96x96.png", sizes: "96x96", type: "image/png" },
+      { url: "/favicon-16x16.png", sizes: "16x16", type: "image/png" },
+    ],
+  },
 };

 export default function RootLayout({
@@ -23,10 +36,8 @@ export default function RootLayout({
  children: React.ReactNode;
 }>) {
  return (
-    <html lang="en">
-      <body className={`${geistSans.variable} ${geistMono.variable}`}>
-        {children}
-      </body>
+    <html lang="de">
+      <body>{children}</body>
    </html>
  );
 }
--- a/app/page.tsx
+++ b/app/page.tsx
@@ -1,66 +1,30 @@
-import Image from "next/image";
-import styles from "./page.module.css";
+import { Suspense } from 'react';
+import SpritzClient from './components/SpritzClient';
+import type { SysParams } from './components/SpritzClient';
+import pkg from '../package.json';

-export default function Home() {
+interface SearchParams {
+  test?: string;
+  doinit?: string;
+  einheit?: string;
+}
+
+export default async function Page({
+  searchParams,
+}: {
+  searchParams: Promise<SearchParams>;
+}) {
+  const params = await searchParams;
+  const sysParams: SysParams = {
+    testing: params.test === 'true',
+    doinit: params.doinit === 'true',
+    einheit: parseInt(params.einheit ?? '0') || 0,
+    version: pkg.version,
+    date: (pkg as typeof pkg & { date?: string }).date ?? '',
+  };
  return (
-    <div className={styles.page}>
-      <main className={styles.main}>
-        <Image
-          className={styles.logo}
-          src="/next.svg"
-          alt="Next.js logo"
-          width={100}
-          height={20}
-          priority
-        />
-        <div className={styles.intro}>
-          <h1>To get started, edit the page.tsx file.</h1>
-          <p>
-            Looking for a starting point or more instructions? Head over to{" "}
-            <a
-              href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-              target="_blank"
-              rel="noopener noreferrer"
-            >
-              Templates
-            </a>{" "}
-            or the{" "}
-            <a
-              href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-              target="_blank"
-              rel="noopener noreferrer"
-            >
-              Learning
-            </a>{" "}
-            center.
-          </p>
-        </div>
-        <div className={styles.ctas}>
-          <a
-            className={styles.primary}
-            href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            <Image
-              className={styles.logo}
-              src="/vercel.svg"
-              alt="Vercel logomark"
-              width={16}
-              height={16}
-            />
-            Deploy Now
-          </a>
-          <a
-            className={styles.secondary}
-            href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            Documentation
-          </a>
-        </div>
-      </main>
-    </div>
+    <Suspense fallback={<div style={{ padding: '30px' }}>Lade…</div>}>
+      <SpritzClient sysParams={sysParams} />
+    </Suspense>
  );
 }
--- a/deploy.sh
+++ b/deploy.sh
@@ -0,0 +1,67 @@
+#!/bin/bash
+
+# Deploy Script für laufschrift
+# Baut das Docker Image und lädt es zu docker.citysensor.de hoch
+
+set -e
+
+
+# Konfiguration
+REGISTRY="docker.citysensor.de"
+IMAGE_NAME="spritzschema"
+TAG="${TAG:-$(date +%Y%m%d%H%M)}"  # default Datum
+FULL_IMAGE="${REGISTRY}/${IMAGE_NAME}:${TAG}"
+
+# Build-Datum
+BUILD_DATE=$(date +%d.%m.%Y)
+
+echo "=========================================="
+echo " Deploy Script"
+echo "=========================================="
+echo "Registry: ${REGISTRY}"
+echo "Image: ${IMAGE_NAME}"
+echo "Tag: ${TAG}"
+echo "Build-Datum: ${BUILD_DATE}"
+echo "=========================================="
+echo ""
+
+# 1. Login zur Registry (falls noch nicht eingeloggt)
+echo ">>> Login zu ${REGISTRY}..."
+docker login "${REGISTRY}"
+echo ""
+
+# 2. Multiplatform Builder einrichten (docker-container driver erforderlich)
+echo ">>> Richte Multiplatform Builder ein..."
+if ! docker buildx inspect multiplatform-builder &>/dev/null; then
+  docker buildx create --name multiplatform-builder --driver docker-container --bootstrap
+fi
+docker buildx use multiplatform-builder
+echo ""
+
+# 3. Docker Image bauen und pushen (Multiplatform)
+echo ">>> Baue Multiplatform Docker Image und pushe zu Registry..."
+docker buildx build \
+  --platform linux/amd64,linux/arm64 \
+  --build-arg BUILD_DATE="${BUILD_DATE}" \
+  -t "${FULL_IMAGE}" \
+  --push \
+  .
+
+# 4. Keep :latest in sync for simple rollbacks and manual usage.
+echo ">>> Tagge das image zusätzlich als :latest ..."
+docker buildx imagetools create \
+  -t "${REGISTRY}/${IMAGE_NAME}:latest" \
+  "${FULL_IMAGE}"
+
+
+echo ">>> Build und Push erfolgreich!"
+
+echo ""
+echo "=========================================="
+echo "✓ Deploy erfolgreich abgeschlossen!"
+echo "=========================================="
+echo ""
+echo "Auf dem Server ausführen:"
+echo "  docker pull ${FULL_IMAGE}"
+echo "  docker-compose -f docker-compose.prod.yml up -d"
+echo ""
--- a/docker-compose.local.yml
+++ b/docker-compose.local.yml
@@ -0,0 +1,19 @@
+# docker-compose.local.yml
+# Lokaler Betrieb – MySQL läuft bereits auf dem Host (localhost)
+#
+# Start:
+#   docker compose -f docker-compose.local.yml up --build
+
+services:
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    restart: unless-stopped
+    ports:
+      - "3000:3000"
+    environment:
+      # MySQL – DB_HOST überschreibt localhost aus .env.local
+      DB_HOST: host.docker.internal
+    env_file:
+      - .env.local
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -0,0 +1,30 @@
+services:
+  app:
+    build: .
+    restart: unless-stopped
+    ports:
+      - "3000:3000"
+    env_file:
+      - .env.local
+    environment:
+      MYSQLHOST: db
+    depends_on:
+      db:
+        condition: service_healthy
+
+  db:
+    image: mysql:8.4
+    restart: unless-stopped
+    environment:
+      MYSQL_ROOT_PASSWORD: ${MYSQLPASSWORD}
+      MYSQL_DATABASE: ${MYSQLBASE}
+    volumes:
+      - mysql_data:/var/lib/mysql
+    healthcheck:
+      test: ["CMD", "mysqladmin", "ping", "-h", "localhost", "-u", "root", "-p${MYSQLPASSWORD}"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+volumes:
+  mysql_data:
--- a/lib/mysqlinterface.ts
+++ b/lib/mysqlinterface.ts
@@ -0,0 +1,190 @@
+import mysql from 'mysql2/promise';
+
+const DB_HOST = process.env.DB_HOST || 'localhost';
+const DB_PORT = parseInt(process.env.DB_PORT || '3306');
+const DB_USER = process.env.DB_USER || 'root';
+const DB_PASS = process.env.DB_PASS || '';
+const DB_BASE = 'medizin';
+
+// Singleton pool – überlebt Hot-Reloads im Dev-Modus
+declare global {
+  // eslint-disable-next-line no-var
+  var _mysqlPool: mysql.Pool | undefined;
+}
+
+function getPool(): mysql.Pool {
+  if (!global._mysqlPool) {
+    global._mysqlPool = mysql.createPool({
+      host: DB_HOST,
+      port: DB_PORT,
+      user: DB_USER,
+      password: DB_PASS,
+      database: DB_BASE,
+      waitForConnections: true,
+      connectionLimit: 10,
+    });
+  }
+  return global._mysqlPool;
+}
+
+async function ensureTable(conn: mysql.PoolConnection, tableName: string) {
+  await conn.query(`
+    CREATE TABLE IF NOT EXISTS \`${tableName}\` (
+      id INT AUTO_INCREMENT PRIMARY KEY,
+      curdate VARCHAR(20) NOT NULL UNIQUE,
+      months JSON NOT NULL,
+      years JSON NOT NULL,
+      data JSON NOT NULL,
+      einheit INT NOT NULL DEFAULT 0,
+      updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+    )
+  `);
+}
+
+export interface DataItem {
+  day: string;
+  status: boolean;
+  einheit: number;
+}
+
+export interface Schema {
+  curdate: string;
+  months: string[];
+  years: string[];
+  data: DataItem[];
+  einheit: number;
+}
+
+interface Options {
+  testing?: string | boolean;
+  curdate?: string;
+  data?: Schema;
+}
+
+interface Result {
+  err: null | string;
+  data?: Schema | null;
+  date?: unknown;
+}
+
+export async function doMySQL(cmd: string, options: Options): Promise<Result> {
+  const erg: Result = { err: null };
+  const tableName = options.testing ? 'spritzschema_test' : 'spritzschema';
+  const pool = getPool();
+  const conn = await pool.getConnection();
+  try {
+    await ensureTable(conn, tableName);
+    if (cmd === 'getlastdata') {
+      return await getLastData(conn, tableName);
+    } else if (cmd === 'putdata') {
+      return await putData(conn, tableName, options);
+    } else if (cmd === 'getdata') {
+      return await getData(conn, tableName, options);
+    } else if (cmd === 'deldata') {
+      return await delData(conn, tableName, options);
+    } else {
+      erg.err = 'Unknown Call';
+    }
+  } catch (e) {
+    console.error(e);
+    erg.err = String(e);
+  } finally {
+    conn.release();
+  }
+  return erg;
+}
+
+async function getLastData(conn: mysql.PoolConnection, tableName: string): Promise<Result> {
+  const erg: Result = { err: null };
+  try {
+    const [rows] = await conn.query<mysql.RowDataPacket[]>(
+      `SELECT curdate, months, years, data, einheit FROM \`${tableName}\` ORDER BY id DESC LIMIT 1`
+    );
+    if (rows.length > 0) {
+      const row = rows[0];
+      erg.data = {
+        curdate: row.curdate,
+        months: typeof row.months === 'string' ? JSON.parse(row.months) : row.months,
+        years: typeof row.years === 'string' ? JSON.parse(row.years) : row.years,
+        data: typeof row.data === 'string' ? JSON.parse(row.data) : row.data,
+        einheit: row.einheit,
+      };
+    } else {
+      erg.data = null;
+    }
+  } catch (e) {
+    console.error(e);
+    erg.err = String(e);
+  }
+  return erg;
+}
+
+async function getData(conn: mysql.PoolConnection, tableName: string, options: Options): Promise<Result> {
+  const erg: Result = { err: null };
+  try {
+    const [rows] = await conn.query<mysql.RowDataPacket[]>(
+      `SELECT curdate, months, years, data, einheit FROM \`${tableName}\` WHERE curdate = ?`,
+      [options.curdate]
+    );
+    if (rows.length > 0) {
+      const row = rows[0];
+      erg.data = {
+        curdate: row.curdate,
+        months: typeof row.months === 'string' ? JSON.parse(row.months) : row.months,
+        years: typeof row.years === 'string' ? JSON.parse(row.years) : row.years,
+        data: typeof row.data === 'string' ? JSON.parse(row.data) : row.data,
+        einheit: row.einheit,
+      };
+    } else {
+      erg.data = null;
+    }
+  } catch (e) {
+    console.error(e);
+    erg.err = String(e);
+  }
+  return erg;
+}
+
+async function putData(conn: mysql.PoolConnection, tableName: string, options: Options): Promise<Result> {
+  const erg: Result = { err: null, date: null };
+  const schema = options.data!;
+  try {
+    const [result] = await conn.query(
+      `INSERT INTO \`${tableName}\` (curdate, months, years, data, einheit)
+       VALUES (?, ?, ?, ?, ?)
+       ON DUPLICATE KEY UPDATE
+         months = VALUES(months),
+         years = VALUES(years),
+         data = VALUES(data),
+         einheit = VALUES(einheit),
+         updated_at = CURRENT_TIMESTAMP`,
+      [
+        schema.curdate,
+        JSON.stringify(schema.months),
+        JSON.stringify(schema.years),
+        JSON.stringify(schema.data),
+        schema.einheit,
+      ]
+    );
+    erg.date = result;
+  } catch (e) {
+    console.error(e);
+    erg.err = String(e);
+  }
+  return erg;
+}
+
+async function delData(conn: mysql.PoolConnection, tableName: string, options: Options): Promise<Result> {
+  const erg: Result = { err: null };
+  try {
+    const [result] = await conn.query(
+      `DELETE FROM \`${tableName}\` WHERE curdate = ?`,
+      [options.curdate]
+    );
+    erg.data = result as unknown as Schema;
+  } catch (e) {
+    console.error(e);
+    erg.err = String(e);
+  }
+  return erg;
+}
--- a/next.config.ts
+++ b/next.config.ts
@@ -1,7 +1,10 @@
 import type { NextConfig } from "next";
+import path from "path";

 const nextConfig: NextConfig = {
-  /* config options here */
+  turbopack: {
+    root: path.resolve(__dirname),
+  },
 };

 export default nextConfig;
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,11 +8,14 @@
      "name": "spritzschema-next",
      "version": "0.1.0",
      "dependencies": {
+        "luxon": "^3.7.2",
+        "mysql2": "^3.19.1",
        "next": "16.1.6",
        "react": "19.2.3",
        "react-dom": "19.2.3"
      },
      "devDependencies": {
+        "@types/luxon": "^3.7.1",
        "@types/node": "^20",
        "@types/react": "^19",
        "@types/react-dom": "^19",
@@ -638,12 +641,19 @@
        "tslib": "^2.8.0"
      }
    },
+    "node_modules/@types/luxon": {
+      "version": "3.7.1",
+      "resolved": "https://registry.npmjs.org/@types/luxon/-/luxon-3.7.1.tgz",
+      "integrity": "sha512-H3iskjFIAn5SlJU7OuxUmTEpebK6TKB8rxZShDslBMZJ5u9S//KM1sbdAisiSrqwLQncVjnpi2OK2J51h+4lsg==",
+      "dev": true,
+      "license": "MIT"
+    },
    "node_modules/@types/node": {
      "version": "20.19.37",
      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.37.tgz",
      "integrity": "sha512-8kzdPJ3FsNsVIurqBs7oodNnCEVbni9yUEkaHbgptDACOPW04jimGagZ51E6+lXUwJjgnBw+hyko/lkFWCldqw==",
-      "dev": true,
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "undici-types": "~6.21.0"
      }
@@ -669,6 +679,15 @@
        "@types/react": "^19.2.0"
      }
    },
+    "node_modules/aws-ssl-profiles": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/aws-ssl-profiles/-/aws-ssl-profiles-1.1.2.tgz",
+      "integrity": "sha512-NZKeq9AfyQvEeNlN0zSYAaWrmBffJh3IELMZfRpJVWgrpEbtEpnjvzqBPf+mxoI287JohRDoa+/nsfqqiZmF6g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 6.0.0"
+      }
+    },
    "node_modules/baseline-browser-mapping": {
      "version": "2.10.0",
      "resolved": "https://registry.npmjs.org/baseline-browser-mapping/-/baseline-browser-mapping-2.10.0.tgz",
@@ -714,6 +733,15 @@
      "dev": true,
      "license": "MIT"
    },
+    "node_modules/denque": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-2.1.0.tgz",
+      "integrity": "sha512-HVQE3AAb/pxF8fQAoiqpvg9i3evqug3hoiwakOyZAwJm+6vZehbkYXZ0l4JxS+I3QxM97v5aaRNhj8v5oBhekw==",
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=0.10"
+      }
+    },
    "node_modules/detect-libc": {
      "version": "2.1.2",
      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.1.2.tgz",
@@ -724,6 +752,101 @@
        "node": ">=8"
      }
    },
+    "node_modules/generate-function": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/generate-function/-/generate-function-2.3.1.tgz",
+      "integrity": "sha512-eeB5GfMNeevm/GRYq20ShmsaGcmI81kIX2K9XQx5miC8KdHaC6Jm0qQ8ZNeGOi7wYB8OsdxKs+Y2oVuTFuVwKQ==",
+      "license": "MIT",
+      "dependencies": {
+        "is-property": "^1.0.2"
+      }
+    },
+    "node_modules/iconv-lite": {
+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.7.2.tgz",
+      "integrity": "sha512-im9DjEDQ55s9fL4EYzOAv0yMqmMBSZp6G0VvFyTMPKWxiSBHUj9NW/qqLmXUwXrrM7AvqSlTCfvqRb0cM8yYqw==",
+      "license": "MIT",
+      "dependencies": {
+        "safer-buffer": ">= 2.1.2 < 3.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/is-property": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/is-property/-/is-property-1.0.2.tgz",
+      "integrity": "sha512-Ks/IoX00TtClbGQr4TWXemAnktAQvYB7HzcCxDGqEZU6oCmb2INHuOoKxbtR+HFkmYWBKv/dOZtGRiAjDhj92g==",
+      "license": "MIT"
+    },
+    "node_modules/long": {
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/long/-/long-5.3.2.tgz",
+      "integrity": "sha512-mNAgZ1GmyNhD7AuqnTG3/VQ26o760+ZYBPKjPvugO8+nLbYfX6TVpJPseBvopbdY+qpZ/lKUnmEc1LeZYS3QAA==",
+      "license": "Apache-2.0"
+    },
+    "node_modules/lru.min": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/lru.min/-/lru.min-1.1.4.tgz",
+      "integrity": "sha512-DqC6n3QQ77zdFpCMASA1a3Jlb64Hv2N2DciFGkO/4L9+q/IpIAuRlKOvCXabtRW6cQf8usbmM6BE/TOPysCdIA==",
+      "license": "MIT",
+      "engines": {
+        "bun": ">=1.0.0",
+        "deno": ">=1.30.0",
+        "node": ">=8.0.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wellwelwel"
+      }
+    },
+    "node_modules/luxon": {
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/luxon/-/luxon-3.7.2.tgz",
+      "integrity": "sha512-vtEhXh/gNjI9Yg1u4jX/0YVPMvxzHuGgCm6tC5kZyb08yjGWGnqAjGJvcXbqQR2P3MyMEFnRbpcdFS6PBcLqew==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/mysql2": {
+      "version": "3.19.1",
+      "resolved": "https://registry.npmjs.org/mysql2/-/mysql2-3.19.1.tgz",
+      "integrity": "sha512-yn4zh+Uxu5J3Zvi6Ao96lJ7BSBRkspHflWQAmOPND+htbpIKDQw99TTvPzgihKO/QyMickZopO4OsnixnpcUwA==",
+      "license": "MIT",
+      "dependencies": {
+        "aws-ssl-profiles": "^1.1.2",
+        "denque": "^2.1.0",
+        "generate-function": "^2.3.1",
+        "iconv-lite": "^0.7.2",
+        "long": "^5.3.2",
+        "lru.min": "^1.1.4",
+        "named-placeholders": "^1.1.6",
+        "sql-escaper": "^1.3.3"
+      },
+      "engines": {
+        "node": ">= 8.0"
+      },
+      "peerDependencies": {
+        "@types/node": ">= 8"
+      }
+    },
+    "node_modules/named-placeholders": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/named-placeholders/-/named-placeholders-1.1.6.tgz",
+      "integrity": "sha512-Tz09sEL2EEuv5fFowm419c1+a/jSMiBjI9gHxVLrVdbUkkNUUfjsVYs9pVZu5oCon/kmRh9TfLEObFtkVxmY0w==",
+      "license": "MIT",
+      "dependencies": {
+        "lru.min": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
    "node_modules/nanoid": {
      "version": "3.3.11",
      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.11.tgz",
@@ -852,6 +975,12 @@
        "react": "^19.2.3"
      }
    },
+    "node_modules/safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "license": "MIT"
+    },
    "node_modules/scheduler": {
      "version": "0.27.0",
      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.27.0.tgz",
@@ -925,6 +1054,21 @@
        "node": ">=0.10.0"
      }
    },
+    "node_modules/sql-escaper": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/sql-escaper/-/sql-escaper-1.3.3.tgz",
+      "integrity": "sha512-BsTCV265VpTp8tm1wyIm1xqQCS+Q9NHx2Sr+WcnUrgLrQ6yiDIvHYJV5gHxsj1lMBy2zm5twLaZao8Jd+S8JJw==",
+      "license": "MIT",
+      "engines": {
+        "bun": ">=1.0.0",
+        "deno": ">=2.0.0",
+        "node": ">=12.0.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/mysqljs/sql-escaper?sponsor=1"
+      }
+    },
    "node_modules/styled-jsx": {
      "version": "5.1.6",
      "resolved": "https://registry.npmjs.org/styled-jsx/-/styled-jsx-5.1.6.tgz",
@@ -972,7 +1116,6 @@
      "version": "6.21.0",
      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
-      "dev": true,
      "license": "MIT"
    }
  }
--- a/package.json
+++ b/package.json
@@ -1,18 +1,23 @@
 {
  "name": "spritzschema-next",
-  "version": "0.1.0",
+  "version": "2.0.0",
+  "date": "2026-03-12",
  "private": true,
  "scripts": {
    "dev": "next dev",
    "build": "next build",
-    "start": "next start"
+    "start": "next start",
+    "docker:build": "docker buildx build --platform linux/amd64,linux/arm64 -t docker.citysensor.de/spritzschema-next:latest --push ."
  },
  "dependencies": {
+    "luxon": "^3.7.2",
+    "mysql2": "^3.19.1",
    "next": "16.1.6",
    "react": "19.2.3",
    "react-dom": "19.2.3"
  },
  "devDependencies": {
+    "@types/luxon": "^3.7.1",
    "@types/node": "^20",
    "@types/react": "^19",
    "@types/react-dom": "^19",
--- a/public/android-icon-192x192.png
+++ b/public/android-icon-192x192.png
--- a/public/apple-icon-114x114.png
+++ b/public/apple-icon-114x114.png
--- a/public/apple-icon-120x120.png
+++ b/public/apple-icon-120x120.png
--- a/public/apple-icon-144x144.png
+++ b/public/apple-icon-144x144.png
--- a/public/apple-icon-152x152.png
+++ b/public/apple-icon-152x152.png
--- a/public/apple-icon-180x180.png
+++ b/public/apple-icon-180x180.png
--- a/public/apple-icon-57x57.png
+++ b/public/apple-icon-57x57.png
--- a/public/apple-icon-60x60.png
+++ b/public/apple-icon-60x60.png
--- a/public/apple-icon-72x72.png
+++ b/public/apple-icon-72x72.png
--- a/public/apple-icon-76x76.png
+++ b/public/apple-icon-76x76.png
--- a/public/browserconfig.xml
+++ b/public/browserconfig.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<browserconfig><msapplication><tile><square70x70logo src="/ms-icon-70x70.png"/><square150x150logo src="/ms-icon-150x150.png"/><square310x310logo src="/ms-icon-310x310.png"/><TileColor>#ffffff</TileColor></tile></msapplication></browserconfig>
--- a/public/favicon-16x16.png
+++ b/public/favicon-16x16.png
--- a/public/favicon-256x256.png
+++ b/public/favicon-256x256.png
--- a/public/favicon-32x32.png
+++ b/public/favicon-32x32.png
--- a/public/favicon-96x96.png
+++ b/public/favicon-96x96.png
--- a/public/favicon.ico
+++ b/public/favicon.ico
--- a/public/manifest.json
+++ b/public/manifest.json
@@ -0,0 +1,41 @@
+{
+ "name": "App",
+ "icons": [
+  {
+   "src": "\/android-icon-36x36.png",
+   "sizes": "36x36",
+   "type": "image\/png",
+   "density": "0.75"
+  },
+  {
+   "src": "\/android-icon-48x48.png",
+   "sizes": "48x48",
+   "type": "image\/png",
+   "density": "1.0"
+  },
+  {
+   "src": "\/android-icon-72x72.png",
+   "sizes": "72x72",
+   "type": "image\/png",
+   "density": "1.5"
+  },
+  {
+   "src": "\/android-icon-96x96.png",
+   "sizes": "96x96",
+   "type": "image\/png",
+   "density": "2.0"
+  },
+  {
+   "src": "\/android-icon-144x144.png",
+   "sizes": "144x144",
+   "type": "image\/png",
+   "density": "3.0"
+  },
+  {
+   "src": "\/android-icon-192x192.png",
+   "sizes": "192x192",
+   "type": "image\/png",
+   "density": "4.0"
+  }
+ ]
+}
--- a/public/ms-icon-144x144.png
+++ b/public/ms-icon-144x144.png
--- a/public/ms-icon-150x150.png
+++ b/public/ms-icon-150x150.png
--- a/public/ms-icon-310x310.png
+++ b/public/ms-icon-310x310.png
--- a/public/ms-icon-70x70.png
+++ b/public/ms-icon-70x70.png
--- a/scripts/migrate-mongo-to-mysql.mjs
+++ b/scripts/migrate-mongo-to-mysql.mjs
@@ -0,0 +1,184 @@
+/**
+ * MongoDB-Export → MySQL Migration
+ *
+ * Liest eine NDJSON-Datei (mongoexport-Format, eine Zeile = ein Dokument)
+ * und importiert alle Einträge in die MySQL-Tabelle.
+ *
+ * Konfiguration via Umgebungsvariablen oder direkt hier eintragen:
+ *
+ *   IMPORT_FILE    Pfad zur Exportdatei       (default: ~/Downloads/spritzschema_a)
+ *   MYSQLHOST      MySQL-Host                 (default: localhost)
+ *   MYSQLPORT      MySQL-Port                 (default: 3306)
+ *   MYSQLUSER      MySQL-Benutzer             (default: root)
+ *   MYSQLPASSWORD  MySQL-Passwort             (default: leer)
+ *   MYSQLBASE      MySQL-Datenbank            (default: medizin)
+ *   MYSQL_TABLE    MySQL-Tabellenname         (default: spritzschema)
+ *
+ * Aufruf:
+ *   node scripts/migrate-mongo-to-mysql.mjs
+ *   IMPORT_FILE=/pfad/zur/datei node scripts/migrate-mongo-to-mysql.mjs
+ */
+
+import fs from 'fs';
+import os from 'os';
+import path from 'path';
+import mysql from 'mysql2/promise';
+
+// ── .env.local laden (falls vorhanden) ────────────────────────
+const envFile = path.resolve(process.cwd(), '.env.local');
+if (fs.existsSync(envFile)) {
+  for (const line of fs.readFileSync(envFile, 'utf-8').split('\n')) {
+    const m = line.match(/^\s*([A-Z_]+)\s*=\s*(.*)\s*$/);
+    if (m && !process.env[m[1]]) process.env[m[1]] = m[2].replace(/^['"]|['"]$/g, '');
+  }
+}
+
+// ── Konfiguration ──────────────────────────────────────────────
+const IMPORT_FILE = process.env.IMPORT_FILE
+  || path.join(os.homedir(), 'Downloads', 'spritzschema_a');
+
+const MYSQLHOST      = process.env.MYSQLHOST     || 'localhost';
+const MYSQLPORT      = parseInt(process.env.MYSQLPORT || '3306');
+const MYSQLUSER      = process.env.MYSQLUSER     || 'root';
+const MYSQLPASSWORD  = process.env.MYSQLPASSWORD || '';
+const MYSQLBASE      = process.env.MYSQLBASE     || 'medizin';
+const MYSQL_TABLE    = process.env.MYSQL_TABLE   || 'spritzschema';
+// ───────────────────────────────────────────────────────────────
+
+async function ensureTable(conn) {
+  await conn.query(`
+    CREATE TABLE IF NOT EXISTS \`${MYSQL_TABLE}\` (
+      id INT AUTO_INCREMENT PRIMARY KEY,
+      curdate VARCHAR(20) NOT NULL UNIQUE,
+      months JSON NOT NULL,
+      years JSON NOT NULL,
+      data JSON NOT NULL,
+      einheit INT NOT NULL DEFAULT 0,
+      updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+    )
+  `);
+}
+
+function normalizeDoc(doc) {
+  // einheit in data-Items kann String oder Number sein → immer Int
+  const data = (Array.isArray(doc.data) ? doc.data : []).map((item) => ({
+    ...item,
+    einheit: parseInt(item.einheit) || 0,
+  }));
+  return {
+    curdate: doc.curdate ?? '',
+    months:  Array.isArray(doc.months) ? doc.months : [],
+    years:   Array.isArray(doc.years)  ? doc.years  : [],
+    data,
+    einheit: parseInt(doc.einheit) || 0,
+  };
+}
+
+async function readExportFile(filePath) {
+  const content = fs.readFileSync(filePath, 'utf-8').trim();
+  // Unterstützt beide Formate: JSON-Array [...] und NDJSON (eine Zeile = ein Dokument)
+  if (content.startsWith('[')) {
+    return JSON.parse(content);
+  }
+  // NDJSON-Fallback
+  const docs = [];
+  let lineNo = 0;
+  for (const line of content.split('\n')) {
+    lineNo++;
+    const trimmed = line.trim();
+    if (!trimmed) continue;
+    try {
+      docs.push(JSON.parse(trimmed));
+    } catch (e) {
+      console.warn(`  SKIP Zeile ${lineNo}: Kein gültiges JSON (${e.message})`);
+    }
+  }
+  return docs;
+}
+
+async function migrate() {
+  // ── Exportdatei lesen ──
+  console.log(`Lese Exportdatei: ${IMPORT_FILE}`);
+  if (!fs.existsSync(IMPORT_FILE)) {
+    console.error(`FEHLER: Datei nicht gefunden: ${IMPORT_FILE}`);
+    process.exit(1);
+  }
+  const docs = await readExportFile(IMPORT_FILE);
+  console.log(`  ${docs.length} Dokument(e) eingelesen.`);
+
+  if (docs.length === 0) {
+    console.log('Nichts zu migrieren.');
+    return;
+  }
+
+  // ── MySQL verbinden ──
+  console.log(`MySQL verbinden: ${MYSQLHOST}:${MYSQLPORT} / ${MYSQLBASE}`);
+  const conn = await mysql.createConnection({
+    host: MYSQLHOST,
+    port: MYSQLPORT,
+    user: MYSQLUSER,
+    password: MYSQLPASSWORD,
+    database: MYSQLBASE,
+  });
+
+  await ensureTable(conn);
+  console.log(`  Tabelle '${MYSQL_TABLE}' bereit.`);
+
+  let inserted = 0;
+  let updated  = 0;
+  let errors   = 0;
+
+  for (const doc of docs) {
+    const row = normalizeDoc(doc);
+
+    if (!row.curdate) {
+      console.warn(`  SKIP: Dokument ohne curdate (_id=${doc._id})`);
+      errors++;
+      continue;
+    }
+
+    try {
+      const [result] = await conn.query(
+        `INSERT INTO \`${MYSQL_TABLE}\` (curdate, months, years, data, einheit)
+         VALUES (?, ?, ?, ?, ?)
+         ON DUPLICATE KEY UPDATE
+           months = VALUES(months),
+           years  = VALUES(years),
+           data   = VALUES(data),
+           einheit = VALUES(einheit),
+           updated_at = CURRENT_TIMESTAMP`,
+        [
+          row.curdate,
+          JSON.stringify(row.months),
+          JSON.stringify(row.years),
+          JSON.stringify(row.data),
+          row.einheit,
+        ]
+      );
+      // affectedRows=1 → INSERT, affectedRows=2 → UPDATE (ON DUPLICATE KEY)
+      if (result.affectedRows === 1) {
+        console.log(`  INSERT  curdate=${row.curdate}`);
+        inserted++;
+      } else {
+        console.log(`  UPDATE  curdate=${row.curdate}`);
+        updated++;
+      }
+    } catch (e) {
+      console.error(`  FEHLER  curdate=${row.curdate}: ${e.message}`);
+      errors++;
+    }
+  }
+
+  await conn.end();
+
+  console.log('\n── Ergebnis ──────────────────────────');
+  console.log(`  Inserted : ${inserted}`);
+  console.log(`  Updated  : ${updated}`);
+  console.log(`  Errors   : ${errors}`);
+  console.log(`  Gesamt   : ${docs.length}`);
+}
+
+migrate().catch((err) => {
+  console.error('Fataler Fehler:', err);
+  process.exit(1);
+});