diff --git a/kontor-api/src/models/comics/artist.py b/kontor-api/src/models/comics/artist.py
index 345debe..f668875 100644
--- a/kontor-api/src/models/comics/artist.py
+++ b/kontor-api/src/models/comics/artist.py
@@ -4,6 +4,8 @@ from uuid import UUID
 from src.schema.comic import Artist
 from pydantic import BaseModel
 
+from src.schema import Artist
+
 
 class ArtistCreation(BaseModel):
     name: str
diff --git a/kontor-api/src/models/comics/comic.py b/kontor-api/src/models/comics/comic.py
index f93e26a..0235f1b 100644
--- a/kontor-api/src/models/comics/comic.py
+++ b/kontor-api/src/models/comics/comic.py
@@ -4,6 +4,8 @@ from uuid import UUID
 from src.schema.comic import Comic
 from pydantic import BaseModel
 
+from src.schema import Comic
+
 
 class ComicResponse(BaseModel):
     id: UUID
diff --git a/kontor-schema/build/lib/kontor_schema/__init__.py b/kontor-schema/build/lib/kontor_schema/__init__.py
new file mode 100644
index 0000000..3c7ff98
--- /dev/null
+++ b/kontor-schema/build/lib/kontor_schema/__init__.py
@@ -0,0 +1,366 @@
+import json
+import re
+import subprocess
+import uuid
+from datetime import datetime
+from pathlib import Path
+
+import requests
+from bs4 import BeautifulSoup
+from cement.core.config import ConfigHandler
+from sqlalchemy import Engine
+from sqlalchemy.exc import IntegrityError
+from sqlalchemy.orm import sessionmaker
+
+from .bookshelf import Article, Book, Author, BookshelfPublisher, ArticleAuthor, BookAuthor
+from .comic import Comic, Artist, Publisher, Issue, StoryArc, TradePaperback, Volume, ComicWork, WorkType
+from .metadata import MetaDataTable, MetaDataColumn
+from .tysc import Card, CardSet, Sport, Team, FieldPosition, Rooster, Player, Vendor
+from .media import MediaFile, MediaArticle, MediaVideo
+
+
+class KontorDB:
+
+    def __init__(self, db_engine: Engine, config: ConfigHandler, log):
+        self.engine = db_engine
+        self.config = config
+        self.log = log
+        self.registry = {}
+        self.init_registry()
+
+    def init_registry(self):
+        self.registry['card'] = Card
+        self.registry['card_set'] = CardSet
+        self.registry['sport'] = Sport
+        self.registry['team'] = Team
+        self.registry['field_position'] = FieldPosition
+        self.registry['rooster'] = Rooster
+        self.registry['player'] = Player
+        self.registry['vendor'] = Vendor
+        self.registry['artist'] = Artist
+        self.registry['publisher'] = Publisher
+        self.registry['comic'] = Comic
+        self.registry['issue'] = Issue
+        self.registry['story_arc'] = StoryArc
+        self.registry['trade_paperback'] = TradePaperback
+        self.registry['volume'] = Volume
+        self.registry['comic_work'] = ComicWork
+        self.registry['worktype'] = WorkType
+        self.registry['article'] = Article
+        self.registry['book'] = Book
+        self.registry['author'] = Author
+        self.registry['bookshelf_publisher'] = BookshelfPublisher
+        self.registry['article_author'] = ArticleAuthor
+        self.registry['book_author'] = BookAuthor
+        self.registry['media_file'] = MediaFile
+        self.registry['media_article'] = MediaArticle
+        self.registry['media_video'] = MediaVideo
+        self.registry['meta_data_table'] = MetaDataTable
+        self.registry[MetaDataColumn.__tablename__] = MetaDataColumn
+
+    def get_table_names(self) -> list:
+        result = []
+        __session__ = sessionmaker(self.engine)
+        with __session__() as session:
+            tables = session.query(MetaDataTable).all()
+            result = [table.table_name for table in tables]
+        return result
+
+    def get_column_meta_data(self, table_name: str, view_only=True) -> dict:
+        meta_data = {}
+        order = 0
+        __session__ = sessionmaker(self.engine)
+        with __session__() as session:
+            if view_only:
+                for (_, column) in (session.query(MetaDataTable, MetaDataColumn).
+                        filter(MetaDataTable.id == MetaDataColumn.table_id).
+                        filter(MetaDataTable.table_name == table_name).
+                        filter(MetaDataColumn.is_shown == 1).all()):
+                    meta_data[order] = {'column': column.column_name, 'label': column.column_label,
+                                        'order': column.column_order, 'ref_column': column.ref_column}
+                    order += 1
+            else:
+                for (_, column) in (session.query(MetaDataTable, MetaDataColumn).
+                        filter(MetaDataTable.id == MetaDataColumn.table_id).
+                        filter(MetaDataTable.table_name == table_name).all()):
+                    meta_data[order] = {
+                        'column': column.column_name,
+                        'order': column.column_order,
+                        'ref_column': column.ref_column
+                    }
+                    order += 1
+            return meta_data
+
+    def get_filters(self, table_name):
+        _filter_map = {}
+        __session__ = sessionmaker(self.engine)
+        with __session__() as session:
+            for (_, column) in (session.query(MetaDataTable, MetaDataColumn).
+                    filter(MetaDataTable.id == MetaDataColumn.table_id).
+                    filter(MetaDataTable.table_name == table_name).
+                    filter(MetaDataColumn.show_filter == 1).all()):
+                _filter_map[column.column_name] = {'label': column.filter_label, 'widget': None}
+            self.log.debug(f"retrieved {len(_filter_map)} filters: {_filter_map}")
+        return _filter_map
+
+    def data(self, table, columns: dict, filters) -> list:
+        data = []
+        __session__ = sessionmaker(self.engine)
+        with __session__() as session:
+            entries = []
+            if len(filters) == 0:
+                entries = session.query(table).all()
+            else:
+                entries = session.query(table).filter_by(**filters)
+            for entry in entries:
+                row = []
+                for order in columns.keys():
+                    column_name = columns[order]['column']
+                    if str(column_name).endswith("_id"):
+                        ref_table = column_name[:-3]
+                        # print(f"{ref_table=}")
+                        ref = getattr(entry, ref_table)
+                        value = getattr(ref, "name")
+                        # print(f"{value=}")
+                        row.append(value)
+                    else:
+                        row.append(getattr(entry, column_name))
+                # print(repr(row))
+                data.append(row)
+        return data
+
+    def export_db(self, export_type: str, export_file_name: str):
+        self.log.info(f"export DB to {export_file_name} as {export_type}")
+        db = {}
+        export_table_list = self.get_table_names()
+        for table in export_table_list:
+            columns = self.get_column_meta_data(table, view_only=False)
+            if table in self.registry:
+                model = self.registry[table]
+            else:
+                print(f"table {table} is not registered")
+                continue
+            __session__ = sessionmaker(self.engine)
+            with __session__() as session:
+                rows = session.query(model).all()
+                entries = []
+                self.log.debug(f"found {len(rows)} entries")
+                self.log.debug(f"found {len(columns)} columns")
+                for row in rows:
+                    # print(row)
+                    entry = {}
+                    for order in columns:
+                        # print(columns[order])
+                        column_name = columns[order]['column']
+                        # print(f"get value {column_name} from {row} of table {table}")
+                        try:
+                            value = getattr(row, column_name)
+                            if isinstance(value, datetime):
+                                entry[column_name] = str(value)
+                            else:
+                                entry[column_name] = value
+                        except AttributeError:
+                            self.log.debug("could not get value")
+                    entries.append(entry)
+                db[table] = entries
+        export_file = Path(export_file_name)
+        match export_type:
+            case "JSON":
+                json_dump = json.dumps(db, indent=4)
+                with open(export_file_name, "w") as dump_file:
+                    dump_file.write(json_dump)
+            case "YAML":
+                export_file = Path(export_file_name)
+            case "SQLite":
+                export_file = Path(export_file_name)
+            case _:
+                self.log.debug("unknown export type")
+        if export_file.exists():
+            self.log.debug(f"{export_file} exists")
+
+    def import_db(self, import_file_name: str, dry_run: bool):
+        import_file = Path(import_file_name)
+        if not import_file.exists():
+            print(f"File {import_file_name} does not exist. Do nothing.")
+            return
+        self.log.debug(f"evaluate type from file extension: {import_file.suffix}")
+        match import_file.suffix:
+            case '.json':
+                print("read json file")
+                with open(import_file_name, 'r') as json_file:
+                    json_load = json.load(json_file)
+                for table in json_load:
+                    print(f"{table}: {len(json_load[table])}")
+                    self.import_table(table, json_load[table], dry_run)
+            case '.yml':
+                print("read yaml file")
+            case '.yaml':
+                print("read yaml file")
+            case '.db':
+                print("read sqlite file")
+
+    def import_table(self, table_name, items, dry_run: bool):
+        existing_ids = self.get_ids(table_name)
+        for item in items:
+            # self.log.debug(f"{item}")
+            current_id = item['id']
+            found_item = None
+            __session__ = sessionmaker(self.engine)
+            with __session__() as session:
+                found_item = session.query(self.registry[table_name]).get(current_id)
+                self.log.debug(f"found: {found_item}")
+                if found_item is not None:
+                    changed = self.update_entry(found_item, item, dry_run)
+                    if changed:
+                        print(f"{current_id} has changed")
+                    existing_ids.remove(current_id)
+                else:
+                    self.log.info("item to import not found in database, add new one...")
+                    self.add_entry(table_name, item, session, dry_run)
+        if len(existing_ids) > 0:
+            print("remaining items")
+
+    def get_ids(self, table_name: str) -> list:
+        existing_ids = []
+        __session__ = sessionmaker(self.engine)
+        with __session__() as session:
+            items = session.query(self.registry[table_name]).all()
+            for item in items:
+                existing_ids.append(getattr(item, 'id'))
+        return existing_ids
+
+    def add_entry(self, table_name: str, update_item: dict, session, dry_run: bool):
+        add_item = self.registry[table_name]()
+        for key in update_item.keys():
+            update_value = update_item[key]
+            setattr(add_item, key, update_value)
+        if dry_run:
+            self.log.info(f"add item {type(add_item)} with id {update_item['id']}")
+        else:
+            session.add(add_item)
+            session.commit()
+
+    def update_entry(self, existing_item, update_item: dict, dry_run: bool) -> bool:
+        changed = False
+        for key in update_item.keys():
+            update_value = update_item[key]
+            existing_value = getattr(existing_item, key)
+            if type(existing_value) is not type(update_value):
+                # self.log.debug(f"compare {type(existing_value)} with {type(update_value)}")
+                existing_value = str(existing_value)
+            if existing_value != update_value:
+                print(f"{key} has changed: {existing_value} != {update_value}")
+                if not dry_run:
+                    setattr(existing_item, key, update_value)
+                    # existing_item[key] = update_value
+                    changed = True
+                self.log.info(f"update {key} with {update_value}")
+        return changed
+
+    def add_link(self, link: str, dry_run: bool):
+        self.log.info(f"add link {link} to media_file")
+        __session__ = sessionmaker(self.engine)
+        with __session__() as session:
+            media_file = MediaFile()
+            media_file.id = str(uuid.uuid4())
+            media_file.created_date = datetime.now()
+            media_file.last_modified_date = datetime.now()
+            media_file.version = 0
+            media_file.url = link
+            media_file.review = 1
+            media_file.should_download = 1
+            try:
+                session.add(media_file)
+                session.commit()
+                self.log.info(f"entry {media_file} successfully added")
+            except IntegrityError as error:
+                session.rollback()
+                self.log.info(error.orig)
+
+    def update_title(self, dry_run=False):
+        self.log.info("get links to review of media_file")
+        __session__ = sessionmaker(self.engine)
+        with __session__() as session:
+            links = session.query(MediaFile).filter(MediaFile.review == 1).all()
+            self.log.info(f"try to update {len(links)} items")
+            for link in links:
+                url = link.url
+                if url is None:
+                    self.log.info(f"url has not been set for {link.id}")
+                    continue
+                self.log.info('get title for url {}'.format(url))
+                if dry_run:
+                    continue
+                try:
+                    r = requests.get(url)
+                    soup = BeautifulSoup(r.content, "html.parser")
+                    title = soup.title.string
+                except:
+                    self.log.info("Sorry, could not retrieve title")
+                    continue
+                self.log.info('ID {} has title {}'.format(link.id, title))
+                link.title = title
+                link.review = 0
+                session.commit()
+
+    def download_file(self, dry_run=False):
+        self.log.info("download marked files of media_file")
+        __session__ = sessionmaker(self.engine)
+        with __session__() as session:
+            links = session.query(MediaFile).filter(MediaFile.should_download == 1).all()
+            self.log.info(f"try to download {len(links)} items")
+            for link in links:
+                url = link.url
+                if url is None:
+                    self.log.info(f"url has not been set for {link.id}")
+                    continue
+                if dry_run:
+                    self.log.info(f"download {link.url} to {self.config.get('media', 'dir')}")
+                    continue
+                filename = self.download_url(link)
+                if filename is None:
+                    link.file_name = filename
+                    link.should_download = 1
+                else:
+                    download_file = Path(filename)
+                    download_file.with_name(f"{link.id}{download_file.suffix}")
+                    link.file_name = download_file.name
+                    link.should_download = 0
+                    link.cloud_link = download_file.absolute()
+                session.commit()
+
+    def parse_output(self, lines_list):
+        file_name = ""
+        for line in lines_list:
+            if 'has already been downloaded' in line:
+                end_len = len(' has already been downloaded')
+                file_name = line[11:-end_len]
+                self.log.info('found file: "%s"', file_name)
+            if 'Destination' in line:
+                line_len = len(line)
+                start_len = len('[download] Destination: ')
+                file_len = line_len - start_len
+                file_name = line[-file_len:]
+                self.log.info('new file: "%s"', file_name)
+        return file_name
+
+    def download_url(self, video_url):
+        media_dir = Path(self.config.get('media', 'dir'))
+        if not media_dir.exists():
+            media_dir = Path().absolute()
+        self.log.info(f"download video to {media_dir}")
+        result = subprocess.run([self.config.get('media', 'yt-dlp'), video_url], cwd=media_dir, capture_output=True,
+                                text=True)
+        if result.returncode == 0:
+            output = result.stdout
+            output = re.sub(' +', ' ', output)
+            lines_list = output.splitlines()
+            return self.parse_output(lines_list)
+        else:
+            return None
+
+    def check_files(self):
+        media_dir = Path(self.config.get('media', 'dir'))
+        if not media_dir.exists():
+            return
+        self.log.info(f"check files in {media_dir}")
diff --git a/kontor-schema/build/lib/kontor_schema/base.py b/kontor-schema/build/lib/kontor_schema/base.py
new file mode 100644
index 0000000..21186d4
--- /dev/null
+++ b/kontor-schema/build/lib/kontor_schema/base.py
@@ -0,0 +1,20 @@
+import uuid
+from datetime import datetime
+
+from sqlalchemy import func
+from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+class BaseMixin:
+    # id = Column(String, primary_key=True)
+    id: Mapped[str] = mapped_column(primary_key=True, default=uuid.uuid4())
+    # created_date = Column(DateTime)
+    created_date: Mapped[datetime] = mapped_column(default=func.now())
+    # last_modified_date = Column(DateTime)
+    last_modified_date: Mapped[datetime] = mapped_column(default=func.now())
+    # version = Column(Integer)
+    version: Mapped[int] = mapped_column(default=0)
diff --git a/kontor-schema/build/lib/kontor_schema/media.py b/kontor-schema/build/lib/kontor_schema/media.py
new file mode 100644
index 0000000..2f8e865
--- /dev/null
+++ b/kontor-schema/build/lib/kontor_schema/media.py
@@ -0,0 +1,39 @@
+from sqlalchemy import Column, String
+from sqlalchemy.dialects.mysql import BIT
+
+from .base import Base, BaseMixin
+
+
+class MediaFile(Base, BaseMixin):
+    __tablename__ = 'media_file'
+    cloud_link = Column(String(255))
+    file_name = Column(String(255))
+    path = Column(String(255))
+    review = Column(BIT(1))
+    title = Column(String(255))
+    url = Column(String(255), unique=True)
+    should_download = Column(BIT(1))
+
+    def __repr__(self):
+        return f'MediaFile({self.id} {self.title} {self.title})'
+
+    def __str__(self):
+        return f'{self.title}({self.id})'
+
+
+class MediaArticle(Base, BaseMixin):
+    __tablename__ = 'media_article'
+    review = Column(BIT(1))
+    title = Column(String(255))
+    url = Column(String(255), unique=True)
+
+
+class MediaVideo(Base, BaseMixin):
+    __tablename__ = 'media_video'
+    cloud_link = Column(String(255))
+    file_name = Column(String(255))
+    path = Column(String(255))
+    review = Column(BIT(1))
+    title = Column(String(255))
+    url = Column(String(255), unique=True)
+    should_download = Column(BIT(1))
diff --git a/kontor-schema/src/kontor_schema/admin.py b/kontor-schema/src/kontor_schema/admin.py
index c5b3e99..bbc5c14 100644
--- a/kontor-schema/src/kontor_schema/admin.py
+++ b/kontor-schema/src/kontor_schema/admin.py
@@ -1,7 +1,11 @@
 from datetime import datetime
 
+<<<<<<<< HEAD:kontor-schema/src/kontor_schema/admin.py
 from sqlalchemy import Column, ForeignKey, Integer, String
 from sqlalchemy.dialects.mysql import BIT
+========
+from sqlalchemy import Boolean, Column, ForeignKey, Integer, String
+>>>>>>>> 934ef82 (Resolve "evaluate uv"):kontor-api/src/schema/admin.py
 from sqlalchemy.orm import relationship, mapped_column, Mapped
 
 from .base import Base, BaseMixin
diff --git a/kontor-scripts/schema/comic.py b/kontor-scripts/schema/comic.py
index 1052d79..407203c 100644
--- a/kontor-scripts/schema/comic.py
+++ b/kontor-scripts/schema/comic.py
@@ -1,5 +1,9 @@
+<<<<<<<< HEAD:kontor-scripts/schema/comic.py
 from sqlalchemy import Column, ForeignKey, Integer, String
 from sqlalchemy.dialects.mysql import BIT
+========
+from sqlalchemy import Boolean, Column, ForeignKey, Integer, String
+>>>>>>>> 934ef82 (Resolve "evaluate uv"):kontor-api/src/schema/comic.py
 from sqlalchemy.orm import relationship
 
 from .base import Base, BaseMixin
diff --git a/kontor-scripts/schema/metadata.py b/kontor-scripts/schema/metadata.py
index 950cebe..3f60951 100644
--- a/kontor-scripts/schema/metadata.py
+++ b/kontor-scripts/schema/metadata.py
@@ -1,5 +1,9 @@
+<<<<<<<< HEAD:kontor-scripts/schema/metadata.py
 from sqlalchemy import Column, String, ForeignKey, Integer
 from sqlalchemy.dialects.mysql import BIT
+========
+from sqlalchemy import Column, String, ForeignKey, Integer, Boolean
+>>>>>>>> 934ef82 (Resolve "evaluate uv"):kontor-api/src/schema/metadata.py
 from sqlalchemy.orm import relationship
 
 from .base import Base, BaseMixin
diff --git a/kontor-scripts/schema/tysc.py b/kontor-scripts/schema/tysc.py
index 32c88f1..a77dfed 100644
--- a/kontor-scripts/schema/tysc.py
+++ b/kontor-scripts/schema/tysc.py
@@ -1,5 +1,9 @@
+<<<<<<<< HEAD:kontor-scripts/schema/tysc.py
 from sqlalchemy import Column, Integer, String, ForeignKey, UniqueConstraint
 from sqlalchemy.dialects.mysql import BIT
+========
+from sqlalchemy import Boolean, Column, Integer, String, ForeignKey, UniqueConstraint
+>>>>>>>> 934ef82 (Resolve "evaluate uv"):kontor-api/src/schema/tysc.py
 from sqlalchemy.orm import relationship
 
 from .base import Base, BaseMixin
diff --git a/kontor-spring/docker-compose.yml b/kontor-spring/docker-compose.yml
new file mode 100644
index 0000000..2b36ef1
--- /dev/null
+++ b/kontor-spring/docker-compose.yml
@@ -0,0 +1,41 @@
+
+services:
+  mariadb:
+    image: mariadb
+    restart: unless-stopped
+    environment:
+      MYSQL_ROOT_PASSWORD: kontor
+      MYSQL_USER: kontor
+      MYSQL_PASSWORD: kontor
+      MYSQL_DATABASE: kontor
+    ports:
+      - 3316:3306
+    networks:
+      - database
+    volumes:
+      - mariadb-storage:/var/lib/mysql:rw
+  kontor:
+    image: kontor
+    restart: unless-stopped
+    networks:
+      - database
+      - frontend
+    ports:
+      - 8000:8000
+  kontor-api:
+    image: kontor-api
+    restart: unless-stopped
+    networks:
+      - database
+      - frontend
+    ports:
+      - 8800:8800
+
+
+networks:
+  database:
+  frontend:
+
+volumes:
+  mariadb-storage:
+
diff --git a/scripts.bak/schema/media.py b/scripts.bak/schema/media.py
index 5dcc5c6..11dbe20 100644
--- a/scripts.bak/schema/media.py
+++ b/scripts.bak/schema/media.py
@@ -5,7 +5,11 @@ from pathlib import Path
 
 import requests
 from bs4 import BeautifulSoup
+<<<<<<<< HEAD:scripts.bak/schema/media.py
 from sqlalchemy import Boolean, Column, False_, String, ForeignKey
+========
+from sqlalchemy import Boolean, Column, String, ForeignKey
+>>>>>>>> 934ef82 (Resolve "evaluate uv"):kontor-api/src/schema/media.py
 from sqlalchemy.orm import relationship
 
 from .base import Base, BaseMixin, BaseVideoMixin