LEGACY Added old migrated prod data and migrate script

backend/Dockerfile

@@ -1,9 +1,16 @@
 FROM maven:3.9-eclipse-temurin-21 AS build
 WORKDIR /app
+
+# Separate layer for dependencies: only re-runs when pom.xml changes.
+# The cache mount keeps ~/.m2 across builds so even pom.xml changes
+# don't require a full re-download.
 COPY pom.xml .
-RUN mvn dependency:go-offline -B
+RUN --mount=type=cache,target=/root/.m2 \
+    mvn dependency:go-offline -B -q
+
 COPY src ./src
-RUN mvn package -DskipTests -B
+RUN --mount=type=cache,target=/root/.m2 \
+    mvn package -DskipTests -B
 
 FROM eclipse-temurin:21-jre
 WORKDIR /deployments

backend/pom.xml

@@ -40,17 +40,18 @@
             <artifactId>quarkus-hibernate-orm-panache</artifactId>
         </dependency>
         <dependency>
-            <groupId>io.quarkus</groupId>
+            <groupId>org.xerial</groupId>
-            <artifactId>quarkus-jdbc-mariadb</artifactId>
+            <artifactId>sqlite-jdbc</artifactId>
+            <version>3.47.1.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.hibernate.orm</groupId>
+            <artifactId>hibernate-community-dialects</artifactId>
         </dependency>
         <dependency>
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-flyway</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.flywaydb</groupId>
-            <artifactId>flyway-mysql</artifactId>
-        </dependency>
         <dependency>
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-arc</artifactId>

backend/src/main/resources/application.properties

@@ -1,19 +1,23 @@
-# Datasource
+# Datasource – SQLite
-quarkus.datasource.db-kind=mariadb
+quarkus.datasource.db-kind=other
-quarkus.datasource.username=strichliste
+quarkus.datasource.jdbc.driver=org.sqlite.JDBC
-quarkus.datasource.password=strichliste
+quarkus.datasource.jdbc.url=jdbc:sqlite:${DB_PATH:/data/qaffee.db}
-quarkus.datasource.jdbc.url=jdbc:mariadb://localhost:3306/strichliste
 
-# Agroal connection pool – evict stale connections after a DB restart
+# Connection Pool (SQLite: single writer)
-quarkus.datasource.jdbc.background-validation-interval=30S
+quarkus.datasource.jdbc.min-size=1
-quarkus.datasource.jdbc.idle-removal-interval=5M
+quarkus.datasource.jdbc.max-size=1
-quarkus.datasource.jdbc.max-lifetime=10M
 
 # Hibernate
+quarkus.hibernate-orm.dialect=org.hibernate.community.dialect.SQLiteDialect
 quarkus.hibernate-orm.database.generation=none
 
 # Flyway
 quarkus.flyway.migrate-at-start=true
+# Baseline: treat V1-V4 as already applied when no history table exists (post-migration start)
+quarkus.flyway.baseline-on-migrate=true
+quarkus.flyway.baseline-version=4
+# Checksums der MariaDB-Dateien passen nicht mehr zu den SQLite-kompatiblen Versionen
+quarkus.flyway.validate-on-migrate=false
 
 # CORS ist deaktiviert, da alle Anfragen über den SvelteKit-Proxy laufen
 quarkus.http.cors=false

backend/src/main/resources/db/migration/V1__initial_schema.sql

@@ -1,49 +1,50 @@
 CREATE TABLE company (
-    id BIGINT AUTO_INCREMENT PRIMARY KEY,
+    id INTEGER PRIMARY KEY,
     name VARCHAR(255) NOT NULL,
-    active BOOLEAN NOT NULL DEFAULT TRUE,
+    active TINYINT(1) NOT NULL DEFAULT 1,
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+);
 
 CREATE TABLE employee (
-    id BIGINT AUTO_INCREMENT PRIMARY KEY,
+    id INTEGER PRIMARY KEY,
     company_id BIGINT NOT NULL,
     first_name VARCHAR(255) NOT NULL,
     last_name VARCHAR(255) NOT NULL,
-    active BOOLEAN NOT NULL DEFAULT TRUE,
+    active TINYINT(1) NOT NULL DEFAULT 1,
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    CONSTRAINT fk_employee_company FOREIGN KEY (company_id) REFERENCES company(id)
+    FOREIGN KEY (company_id) REFERENCES company(id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+);
 
 CREATE TABLE product (
-    id BIGINT AUTO_INCREMENT PRIMARY KEY,
+    id INTEGER PRIMARY KEY,
     name VARCHAR(255) NOT NULL,
     price_cents INT NOT NULL DEFAULT 0,
-    icon_placeholder VARCHAR(50) DEFAULT 'coffee',
+    icon_placeholder VARCHAR(255) DEFAULT 'coffee',
-    active BOOLEAN NOT NULL DEFAULT TRUE,
+    active TINYINT(1) NOT NULL DEFAULT 1,
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+);
 
 CREATE TABLE tally_entry (
-    id BIGINT AUTO_INCREMENT PRIMARY KEY,
+    id INTEGER PRIMARY KEY,
     employee_id BIGINT NOT NULL,
     product_id BIGINT NOT NULL,
     month_key VARCHAR(7) NOT NULL,
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    CONSTRAINT fk_tally_employee FOREIGN KEY (employee_id) REFERENCES employee(id),
+    FOREIGN KEY (employee_id) REFERENCES employee(id),
-    CONSTRAINT fk_tally_product FOREIGN KEY (product_id) REFERENCES product(id),
+    FOREIGN KEY (product_id) REFERENCES product(id)
-    INDEX idx_tally_month (month_key),
+);
-    INDEX idx_tally_employee_month (employee_id, month_key)
+
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+CREATE INDEX idx_tally_month ON tally_entry(month_key);
+CREATE INDEX idx_tally_employee_month ON tally_entry(employee_id, month_key);
 
 CREATE TABLE access_link (
-    id BIGINT AUTO_INCREMENT PRIMARY KEY,
+    id INTEGER PRIMARY KEY,
     token VARCHAR(64) NOT NULL UNIQUE,
-    role VARCHAR(20) NOT NULL,
+    role VARCHAR(50) NOT NULL,
     company_id BIGINT,
-    description VARCHAR(255),
+    description TEXT,
-    active BOOLEAN NOT NULL DEFAULT TRUE,
+    active TINYINT(1) NOT NULL DEFAULT 1,
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    CONSTRAINT fk_access_link_company FOREIGN KEY (company_id) REFERENCES company(id),
+    FOREIGN KEY (company_id) REFERENCES company(id),
-    CONSTRAINT chk_role CHECK (role IN ('COMPANY_ADMIN', 'PROVIDER_ADMIN'))
+    CHECK (role IN ('COMPANY_ADMIN', 'PROVIDER_ADMIN'))
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+);

backend/src/main/resources/db/migration/V3__company_logo.sql

@@ -1,2 +1,2 @@
 ALTER TABLE company ADD COLUMN logo MEDIUMBLOB;
-ALTER TABLE company ADD COLUMN logo_content_type VARCHAR(50);
+ALTER TABLE company ADD COLUMN logo_content_type VARCHAR(255);

build.env

@@ -0,0 +1,6 @@
+REGISTRY='push.registry.cloud.aquantico.de'
+IMAGE_NAME='qaffee'
+IMAGE_VERSION='1.0.8'
+SERVICES=(backend frontend)
+SNAPSHOT_TAG='SNAPSHOT'
+platform=linux/amd64,linux/arm64

build.sh

@@ -28,7 +28,7 @@ set -euo pipefail
 #cd to script dir
 pushd "$(dirname "${BASH_SOURCE[0]}")" > /dev/null
 SCRIPT_DIR="$(pwd)"
-source "${SCRIPT_DIR}/.env"
+source "${SCRIPT_DIR}/build.env"
 # read from .env: 
 #   REGISTRY, IMAGE_NAME, IMAGE_VERSION, SNAPSHOT_TAG
 #   SERVICES (subfolder name = image suffix)
@@ -48,8 +48,8 @@ usage() {
 # --- parse arguments -------------------------------------------------------
 while [[ $# -gt 0 ]]; do
   case $1 in
-    -s|--snapshot)  VERSION="${IMAGE_TAG}-SNAPSHOT$(git rev-parse --short HEAD 2>/dev/null || echo "local")"; shift ;;
+    -s|--snapshot)  VERSION="${IMAGE_VERSION}-SNAPSHOT$(git rev-parse --short HEAD 2>/dev/null || echo "local")"; shift ;;
-    -r|--release)   VERSION="${IMAGE_TAG}"; shift ;;
+    -r|--release)   VERSION="${IMAGE_VERSION}"; shift ;;
     -v|--version)   VERSION="$2"; shift 2 ;;
     -p|--push)      PUSH=true; shift ;;
     -o|--only)      ONLY+=("$2"); shift 2 ;;
@@ -77,7 +77,12 @@ for SERVICE in "${SERVICES[@]}"; do
   IMAGE="${REGISTRY}/${IMAGE_NAME}-${SERVICE}:${VERSION}"
   echo ""
   echo ">>> Building ${SERVICE}: ${IMAGE}"
-  docker build --tag "${IMAGE}" "${SCRIPT_DIR}/${SERVICE}"
+  
+  docker buildx build \
+    --platform ${platform} \
+    -t "${IMAGE}"  \
+    $($PUSH && echo "--push" || echo "") \
+    "${SCRIPT_DIR}/${SERVICE}"  
   echo "    ${SERVICE} built successfully."
 done
 

db/migrate_to_sqlite.py

@@ -0,0 +1,104 @@
+#!/usr/bin/env python3
+"""
+Migrate MariaDB export to SQLite for qaffee.
+
+Usage:
+    python3 db/migrate_to_sqlite.py
+
+Creates data/qaffee.db ready for use with the Quarkus backend.
+Flyway will baseline at V4 on first startup (no re-migration needed).
+"""
+
+import re
+import sqlite3
+import os
+import sys
+
+SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
+REPO_ROOT   = os.path.join(SCRIPT_DIR, '..')
+MIGRATION_DIR = os.path.join(REPO_ROOT, 'backend', 'src', 'main', 'resources', 'db', 'migration')
+EXPORT_FILE = os.path.join(SCRIPT_DIR, 'mariadb_export.sql')
+OUTPUT_FILE = os.path.join(REPO_ROOT, 'data', 'qaffee.db')
+
+# V2 (seed data) is intentionally skipped – it inserts dev/test rows that
+# conflict with production IDs in the export.
+MIGRATIONS = [
+    'V1__initial_schema.sql',
+    'V3__company_logo.sql',
+    'V4__tally_price_at_booking.sql',
+]
+
+# Tables to import in FK-safe order (parents before children)
+DATA_TABLES = ['company', 'employee', 'product', 'access_link', 'tally_entry']
+
+
+def apply_migrations(conn: sqlite3.Connection) -> None:
+    for filename in MIGRATIONS:
+        path = os.path.join(MIGRATION_DIR, filename)
+        with open(path, 'r', encoding='utf-8') as f:
+            sql = f.read()
+        conn.executescript(sql)
+        print(f'  schema  {filename}')
+
+
+def mariadb_to_sqlite_sql(sql: str) -> str:
+    # Remove MariaDB sandbox-mode comment at the top
+    sql = re.sub(r'/\*M!.*?\*/', '', sql, flags=re.DOTALL)
+    # Strip backtick identifier quotes
+    sql = sql.replace('`', '')
+    # Convert 0xABCD hex literals to SQLite X'ABCD' blob literals
+    sql = re.sub(r'\b0x([0-9A-Fa-f]+)', r"X'\1'", sql)
+    return sql
+
+
+def extract_insert(sql: str, table: str) -> str | None:
+    """Return the full INSERT INTO <table> VALUES ...; statement, or None."""
+    pattern = rf'(INSERT INTO {re.escape(table)} VALUES\s*.*?;)'
+    match = re.search(pattern, sql, re.DOTALL)
+    return match.group(1) if match else None
+
+
+def main() -> None:
+    os.makedirs(os.path.dirname(OUTPUT_FILE), exist_ok=True)
+
+    if os.path.exists(OUTPUT_FILE):
+        os.remove(OUTPUT_FILE)
+        print(f'Removed existing {OUTPUT_FILE}')
+
+    print('Reading MariaDB export ...')
+    with open(EXPORT_FILE, 'r', encoding='utf-8') as f:
+        raw_sql = f.read()
+
+    sqlite_sql = mariadb_to_sqlite_sql(raw_sql)
+
+    print('Creating SQLite database ...')
+    conn = sqlite3.connect(OUTPUT_FILE)
+
+    print('Applying schema migrations:')
+    apply_migrations(conn)
+
+    print('Importing data:')
+    for table in DATA_TABLES:
+        stmt = extract_insert(sqlite_sql, table)
+        if stmt is None:
+            print(f'  skip    {table} (no data in export)')
+            continue
+        conn.executescript(stmt)
+        # Count rows for feedback
+        count = conn.execute(f'SELECT COUNT(*) FROM {table}').fetchone()[0]
+        print(f'  import  {table} ({count} rows)')
+
+    conn.commit()
+    conn.close()
+
+    size_kb = os.path.getsize(OUTPUT_FILE) // 1024
+    print(f'\nDone – {OUTPUT_FILE} ({size_kb} KB)')
+    print()
+    print('Next steps:')
+    print('  1. docker compose up --build')
+    print('     Flyway will baseline at V4 and skip all migrations.')
+    print('  2. Verify at https://qaffee.cloud.aquantico.de')
+
+
+if __name__ == '__main__':
+    main()

docker-compose.yml

@@ -1,34 +1,12 @@
 version: "3"
-volumes:
-  db-data:
 services:
-  db:
-    image: mariadb:11.4.4
-    container_name: qaffee-db
-    restart: always
-    command: --log-warnings=3
-    environment:
-      - "MARIADB_ROOT_PASSWORD=rootpassword"
-      - "MARIADB_DATABASE=strichliste"
-      - "MARIADB_USER=strichliste"
-      - "MARIADB_PASSWORD=strichliste"
-    volumes:
-      - db-data:/var/lib/mysql
-    healthcheck:
-      test: ["CMD", "healthcheck.sh", "--connect", "--innodb_initialized"]
-      interval: 10s
-      timeout: 5s
-      retries: 5
-    networks:
-      - traefik-net
   backend:
     build: ./backend
     container_name: qaffee-backend
     environment:
-      - "QUARKUS_DATASOURCE_JDBC_URL=jdbc:mariadb://db:3306/strichliste"
-      - "QUARKUS_DATASOURCE_USERNAME=strichliste"
-      - "QUARKUS_DATASOURCE_PASSWORD=strichliste"
       - "QUARKUS_HTTP_CORS_ORIGINS=https://qaffee.cloud.aquantico.de"
+    volumes:
+      - ./data:/data
     labels:
       traefik.enable: "true"
       traefik.docker.network: "traefik-net"
@@ -37,9 +15,6 @@ services:
       traefik.http.routers.qaffee-backend.tls: "true"
       traefik.http.routers.qaffee-backend.tls.certresolver: "myresolver"
       traefik.http.services.qaffee-backend.loadbalancer.server.port: 8080
-    depends_on:
-      db:
-        condition: service_healthy
     networks:
       - traefik-net
   frontend:
@@ -61,22 +36,6 @@ services:
       - backend
     networks:
       - traefik-net
-  backup:
-    image: mariadb:11.4.4
-    container_name: qaffee-backup
-    environment:
-      - "MARIADB_HOST=db"
-      - "MARIADB_USER=strichliste"
-      - "MARIADB_PASSWORD=strichliste"
-    volumes:
-      - ./backups:/backups
-      - ./db/backup.sh:/backup.sh
-    entrypoint: ["/bin/bash", "/backup.sh"]
-    depends_on:
-      db:
-        condition: service_healthy
-    networks:
-      - traefik-net
 networks:
   traefik-net:
     external: false

frontend/src/routes/+page.svelte

@@ -5,10 +5,17 @@
 
 	let companies: Company[] = [];
 	let loading = true;
+	let error = false;
 
 	onMount(async () => {
+		try {
 			companies = await api.getCompanies();
+		} catch {
+			error = true;
+			setTimeout(() => location.reload(), 5000);
+		} finally {
 			loading = false;
+		}
 	});
 </script>
 
@@ -22,6 +29,10 @@
 	<div style="text-align: center; padding: 48px;">
 		<p>Laden...</p>
 	</div>
+{:else if error}
+	<div style="text-align: center; padding: 48px;">
+		<p style="color: var(--color-warning);">Verbindungsfehler – Seite wird in 5 Sekunden neu geladen…</p>
+	</div>
 {:else}
 	<div class="card-grid" style="padding: 24px;">
 		{#each companies as company}