diff --git a/alembic.ini b/alembic.ini
new file mode 100644
index 0000000..dc00486
--- /dev/null
+++ b/alembic.ini
@@ -0,0 +1,147 @@
+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts.
+# this is typically a path given in POSIX (e.g. forward slashes)
+# format, relative to the token %(here)s which refers to the location of this
+# ini file
+script_location = migrations
+
+# template used to generate migration file names; The default value is %%(rev)s_%%(slug)s
+# Uncomment the line below if you want the files to be prepended with date and time
+# see https://alembic.sqlalchemy.org/en/latest/tutorial.html#editing-the-ini-file
+# for all available tokens
+# file_template = %%(year)d_%%(month).2d_%%(day).2d_%%(hour).2d%%(minute).2d-%%(rev)s_%%(slug)s
+
+# sys.path path, will be prepended to sys.path if present.
+# defaults to the current working directory.  for multiple paths, the path separator
+# is defined by "path_separator" below.
+prepend_sys_path = .
+
+
+# timezone to use when rendering the date within the migration file
+# as well as the filename.
+# If specified, requires the tzdata library which can be installed by adding
+# `alembic[tz]` to the pip requirements.
+# string value is passed to ZoneInfo()
+# leave blank for localtime
+# timezone =
+
+# max length of characters to apply to the "slug" field
+# truncate_slug_length = 40
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+# set to 'true' to allow .pyc and .pyo files without
+# a source .py file to be detected as revisions in the
+# versions/ directory
+# sourceless = false
+
+# version location specification; This defaults
+# to <script_location>/versions.  When using multiple version
+# directories, initial revisions must be specified with --version-path.
+# The path separator used here should be the separator specified by "path_separator"
+# below.
+# version_locations = %(here)s/bar:%(here)s/bat:%(here)s/alembic/versions
+
+# path_separator; This indicates what character is used to split lists of file
+# paths, including version_locations and prepend_sys_path within configparser
+# files such as alembic.ini.
+# The default rendered in new alembic.ini files is "os", which uses os.pathsep
+# to provide os-dependent path splitting.
+#
+# Note that in order to support legacy alembic.ini files, this default does NOT
+# take place if path_separator is not present in alembic.ini.  If this
+# option is omitted entirely, fallback logic is as follows:
+#
+# 1. Parsing of the version_locations option falls back to using the legacy
+#    "version_path_separator" key, which if absent then falls back to the legacy
+#    behavior of splitting on spaces and/or commas.
+# 2. Parsing of the prepend_sys_path option falls back to the legacy
+#    behavior of splitting on spaces, commas, or colons.
+#
+# Valid values for path_separator are:
+#
+# path_separator = :
+# path_separator = ;
+# path_separator = space
+# path_separator = newline
+#
+# Use os.pathsep. Default configuration used for new projects.
+path_separator = os
+
+# set to 'true' to search source files recursively
+# in each "version_locations" directory
+# new in Alembic version 1.10
+# recursive_version_locations = false
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+# database URL.  This is consumed by the user-maintained env.py script only.
+# other means of configuring database URLs may be customized within the env.py
+# file.
+sqlalchemy.url =
+
+
+[post_write_hooks]
+# post_write_hooks defines scripts or Python functions that are run
+# on newly generated revision scripts.  See the documentation for further
+# detail and examples
+
+# format using "black" - use the console_scripts runner, against the "black" entrypoint
+# hooks = black
+# black.type = console_scripts
+# black.entrypoint = black
+# black.options = -l 79 REVISION_SCRIPT_FILENAME
+
+# lint with attempts to fix using "ruff" - use the module runner, against the "ruff" module
+# hooks = ruff
+# ruff.type = module
+# ruff.module = ruff
+# ruff.options = check --fix REVISION_SCRIPT_FILENAME
+
+# Alternatively, use the exec runner to execute a binary found on your PATH
+# hooks = ruff
+# ruff.type = exec
+# ruff.executable = ruff
+# ruff.options = check --fix REVISION_SCRIPT_FILENAME
+
+# Logging configuration.  This is also consumed by the user-maintained
+# env.py script only.
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARNING
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARNING
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S
diff --git a/app/api.py b/app/api.py
index 7e271f9..a94c581 100644
--- a/app/api.py
+++ b/app/api.py
@@ -17,7 +17,8 @@ async def get_session() -> AsyncSession:
 @app.on_event("startup")
 async def on_startup():
     async with engine.begin() as conn:
-        await conn.run_sync(Base.metadata.create_all)
+        pass
+        #await conn.run_sync(Base.metadata.create_all)
 
 DOMAIN_RE = re.compile(r"^(?=.{1,253}$)(?!-)[A-Za-z0-9-]{1,63}(?<!-)(\.[A-Za-z0-9-]{1,63})+$")
 
@@ -66,4 +67,4 @@ def _job_to_schema(job: Job) -> JobInfo:
         domain=job.domain,
         payload=job.payload,
         tasks=tasks,
-    )
\ No newline at end of file
+    )
diff --git a/migrations/README b/migrations/README
new file mode 100644
index 0000000..98e4f9c
--- /dev/null
+++ b/migrations/README
@@ -0,0 +1 @@
+Generic single-database configuration.
\ No newline at end of file
diff --git a/migrations/env.py b/migrations/env.py
new file mode 100644
index 0000000..a659e5c
--- /dev/null
+++ b/migrations/env.py
@@ -0,0 +1,104 @@
+
+# migrations/env.py
+from __future__ import annotations
+
+import asyncio
+import os
+import sys
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy import pool
+from sqlalchemy.engine import Connection
+from sqlalchemy.ext.asyncio import AsyncEngine, create_async_engine
+
+# ----------------------------------------------------------------------
+# Alembic Grund-Setup (Logging etc.)
+# ----------------------------------------------------------------------
+config = context.config
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# ----------------------------------------------------------------------
+# Projekt-Root auf sys.path, damit "from app ..." klappt
+# ----------------------------------------------------------------------
+ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), "..", ".."))
+if ROOT not in sys.path:
+    sys.path.insert(0, ROOT)
+
+# ----------------------------------------------------------------------
+# ORM-Base & Modelle importieren (wichtig: Modelle registrieren Tabellen)
+# ----------------------------------------------------------------------
+from app.db import Base
+from app import models  # noqa: F401
+
+target_metadata = Base.metadata
+
+# ----------------------------------------------------------------------
+# Async-DB-URL (z. B. postgresql+asyncpg://...)
+# ----------------------------------------------------------------------
+DATABASE_URL = os.getenv("DATABASE_URL")
+if not DATABASE_URL:
+    raise RuntimeError(
+        "DATABASE_URL ist nicht gesetzt (z. B. postgresql+asyncpg://user:pass@host:5432/db)"
+    )
+
+# ----------------------------------------------------------------------
+# (Optional) Leere Autogenerate-Revisionen unterdrücken
+# ----------------------------------------------------------------------
+def process_revision_directives(context, revision, directives):
+    cmd_opts = getattr(config, "cmd_opts", None)
+    if cmd_opts and getattr(cmd_opts, "autogenerate", False):
+        script = directives[0]
+        if hasattr(script, "upgrade_ops") and script.upgrade_ops.is_empty():
+            directives[:] = []  # keine 'pass'-Revision erzeugen
+
+# ----------------------------------------------------------------------
+# Offline-Pfad (bewusst deaktiviert, damit Autogenerate immer online läuft)
+# ----------------------------------------------------------------------
+def run_migrations_offline() -> None:
+    raise RuntimeError("Offline-Modus deaktiviert – bitte Online-Modus verwenden.")
+
+# ----------------------------------------------------------------------
+# Online-Pfad (AsyncEngine + run_sync)
+# ----------------------------------------------------------------------
+async def run_migrations_online() -> None:
+    connectable: AsyncEngine = create_async_engine(
+        DATABASE_URL,
+        poolclass=pool.NullPool,
+        future=True,
+    )
+
+    async with connectable.connect() as async_conn:
+
+        def do_run_migrations(connection: Connection) -> None:
+            # WICHTIG: connection + target_metadata -> nötige Voraussetzung
+            # damit Alembic den DB-Ist gegen ORM-Soll vergleicht (Autogenerate)
+            context.configure(
+                connection=connection,
+                target_metadata=target_metadata,
+                compare_type=True,
+                compare_server_default=True,
+                include_schemas=True,
+                process_revision_directives=process_revision_directives,
+            )
+            with context.begin_transaction():
+                context.run_migrations()
+
+        # run_sync ruft do_run_migrations(connection) auf
+        await async_conn.run_sync(do_run_migrations)
+
+    await connectable.dispose()
+
+# ----------------------------------------------------------------------
+# WICHTIG: beim Import starten – KEIN __main__-Guard
+# ----------------------------------------------------------------------
+def run_migrations() -> None:
+    if context.is_offline_mode():
+        run_migrations_offline()
+    else:
+        asyncio.run(run_migrations_online())
+
+run_migrations()
+
+
diff --git a/migrations/script.py.mako b/migrations/script.py.mako
new file mode 100644
index 0000000..1101630
--- /dev/null
+++ b/migrations/script.py.mako
@@ -0,0 +1,28 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision: str = ${repr(up_revision)}
+down_revision: Union[str, Sequence[str], None] = ${repr(down_revision)}
+branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
+depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    ${downgrades if downgrades else "pass"}
diff --git a/migrations/versions/bb8e2c8e4b8f_baseline.py b/migrations/versions/bb8e2c8e4b8f_baseline.py
new file mode 100644
index 0000000..c67c2c3
--- /dev/null
+++ b/migrations/versions/bb8e2c8e4b8f_baseline.py
@@ -0,0 +1,81 @@
+"""baseline
+
+Revision ID: bb8e2c8e4b8f
+Revises: 
+Create Date: 2025-12-11 16:51:50.423221
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'bb8e2c8e4b8f'
+down_revision: Union[str, Sequence[str], None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('jobs',
+    sa.Column('id', sa.UUID(), nullable=False),
+    sa.Column('job_type', sa.String(length=64), nullable=False),
+    sa.Column('status', sa.Enum('PENDING', 'QUEUED', 'RUNNING', 'SUCCESS', 'FAILED', name='jobstatus'), nullable=False),
+    sa.Column('domain', sa.String(length=255), nullable=False),
+    sa.Column('payload', sa.JSON(), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_jobs_domain'), 'jobs', ['domain'], unique=False)
+    op.create_index(op.f('ix_jobs_job_type'), 'jobs', ['job_type'], unique=False)
+    op.create_index(op.f('ix_jobs_status'), 'jobs', ['status'], unique=False)
+    op.create_table('tasks',
+    sa.Column('id', sa.UUID(), nullable=False),
+    sa.Column('job_id', sa.UUID(), nullable=False),
+    sa.Column('name', sa.String(length=64), nullable=False),
+    sa.Column('status', sa.Enum('PENDING', 'QUEUED', 'RUNNING', 'SUCCESS', 'FAILED', name='taskstatus'), nullable=False),
+    sa.Column('routing_key', sa.String(length=128), nullable=False),
+    sa.Column('retries', sa.Integer(), nullable=False),
+    sa.Column('max_retries', sa.Integer(), nullable=False),
+    sa.Column('worker_id', sa.String(length=64), nullable=True),
+    sa.Column('result', sa.JSON(), nullable=True),
+    sa.Column('error', sa.String(length=1024), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('started_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('finished_at', sa.DateTime(timezone=True), nullable=True),
+    sa.ForeignKeyConstraint(['job_id'], ['jobs.id'], ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_tasks_job_id'), 'tasks', ['job_id'], unique=False)
+    op.create_index(op.f('ix_tasks_name'), 'tasks', ['name'], unique=False)
+    op.create_index(op.f('ix_tasks_routing_key'), 'tasks', ['routing_key'], unique=False)
+    op.create_index(op.f('ix_tasks_status'), 'tasks', ['status'], unique=False)
+    op.create_table('task_dependencies',
+    sa.Column('task_id', sa.UUID(), nullable=False),
+    sa.Column('depends_on_task_id', sa.UUID(), nullable=False),
+    sa.ForeignKeyConstraint(['depends_on_task_id'], ['tasks.id'], ondelete='CASCADE'),
+    sa.ForeignKeyConstraint(['task_id'], ['tasks.id'], ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('task_id', 'depends_on_task_id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('task_dependencies')
+    op.drop_index(op.f('ix_tasks_status'), table_name='tasks')
+    op.drop_index(op.f('ix_tasks_routing_key'), table_name='tasks')
+    op.drop_index(op.f('ix_tasks_name'), table_name='tasks')
+    op.drop_index(op.f('ix_tasks_job_id'), table_name='tasks')
+    op.drop_table('tasks')
+    op.drop_index(op.f('ix_jobs_status'), table_name='jobs')
+    op.drop_index(op.f('ix_jobs_job_type'), table_name='jobs')
+    op.drop_index(op.f('ix_jobs_domain'), table_name='jobs')
+    op.drop_table('jobs')
+    # ### end Alembic commands ###
diff --git a/poetry.lock b/poetry.lock
index 75ee2ea..f985440 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -30,6 +30,25 @@ files = [
 pamqp = "3.3.0"
 yarl = "*"
 
+[[package]]
+name = "alembic"
+version = "1.17.2"
+description = "A database migration tool for SQLAlchemy."
+optional = false
+python-versions = ">=3.10"
+files = [
+    {file = "alembic-1.17.2-py3-none-any.whl", hash = "sha256:f483dd1fe93f6c5d49217055e4d15b905b425b6af906746abb35b69c1996c4e6"},
+    {file = "alembic-1.17.2.tar.gz", hash = "sha256:bbe9751705c5e0f14877f02d46c53d10885e377e3d90eda810a016f9baa19e8e"},
+]
+
+[package.dependencies]
+Mako = "*"
+SQLAlchemy = ">=1.4.0"
+typing-extensions = ">=4.12"
+
+[package.extras]
+tz = ["tzdata"]
+
 [[package]]
 name = "annotated-types"
 version = "0.7.0"
@@ -417,6 +436,123 @@ files = [
 [package.extras]
 all = ["flake8 (>=7.1.1)", "mypy (>=1.11.2)", "pytest (>=8.3.2)", "ruff (>=0.6.2)"]
 
+[[package]]
+name = "mako"
+version = "1.3.10"
+description = "A super-fast templating language that borrows the best ideas from the existing templating languages."
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "mako-1.3.10-py3-none-any.whl", hash = "sha256:baef24a52fc4fc514a0887ac600f9f1cff3d82c61d4d700a1fa84d597b88db59"},
+    {file = "mako-1.3.10.tar.gz", hash = "sha256:99579a6f39583fa7e5630a28c3c1f440e4e97a414b80372649c0ce338da2ea28"},
+]
+
+[package.dependencies]
+MarkupSafe = ">=0.9.2"
+
+[package.extras]
+babel = ["Babel"]
+lingua = ["lingua"]
+testing = ["pytest"]
+
+[[package]]
+name = "markupsafe"
+version = "3.0.3"
+description = "Safely add untrusted strings to HTML/XML markup."
+optional = false
+python-versions = ">=3.9"
+files = [
+    {file = "markupsafe-3.0.3-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:2f981d352f04553a7171b8e44369f2af4055f888dfb147d55e42d29e29e74559"},
+    {file = "markupsafe-3.0.3-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:e1c1493fb6e50ab01d20a22826e57520f1284df32f2d8601fdd90b6304601419"},
+    {file = "markupsafe-3.0.3-cp310-cp310-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:1ba88449deb3de88bd40044603fafffb7bc2b055d626a330323a9ed736661695"},
+    {file = "markupsafe-3.0.3-cp310-cp310-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:f42d0984e947b8adf7dd6dde396e720934d12c506ce84eea8476409563607591"},
+    {file = "markupsafe-3.0.3-cp310-cp310-manylinux_2_31_riscv64.manylinux_2_39_riscv64.whl", hash = "sha256:c0c0b3ade1c0b13b936d7970b1d37a57acde9199dc2aecc4c336773e1d86049c"},
+    {file = "markupsafe-3.0.3-cp310-cp310-musllinux_1_2_aarch64.whl", hash = "sha256:0303439a41979d9e74d18ff5e2dd8c43ed6c6001fd40e5bf2e43f7bd9bbc523f"},
+    {file = "markupsafe-3.0.3-cp310-cp310-musllinux_1_2_riscv64.whl", hash = "sha256:d2ee202e79d8ed691ceebae8e0486bd9a2cd4794cec4824e1c99b6f5009502f6"},
+    {file = "markupsafe-3.0.3-cp310-cp310-musllinux_1_2_x86_64.whl", hash = "sha256:177b5253b2834fe3678cb4a5f0059808258584c559193998be2601324fdeafb1"},
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+    {file = "markupsafe-3.0.3-cp310-cp310-win_amd64.whl", hash = "sha256:c4ffb7ebf07cfe8931028e3e4c85f0357459a3f9f9490886198848f4fa002ec8"},
+    {file = "markupsafe-3.0.3-cp310-cp310-win_arm64.whl", hash = "sha256:e2103a929dfa2fcaf9bb4e7c091983a49c9ac3b19c9061b6d5427dd7d14d81a1"},
+    {file = "markupsafe-3.0.3-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:1cc7ea17a6824959616c525620e387f6dd30fec8cb44f649e31712db02123dad"},
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+]
+
 [[package]]
 name = "multidict"
 version = "6.7.0"
@@ -1617,4 +1753,4 @@ propcache = ">=0.2.1"
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.12,<3.13"
-content-hash = "e27328c7ad1a642a6172ed3d8777f9de138af9675047c108a7bf99e4218638e3"
+content-hash = "11c8982ce9e515f034525f43cb89a6784194964fa2f7b5fe5566178b8153e2d4"
diff --git a/pyproject.toml b/pyproject.toml
index 78cdc4b..562aecd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,6 +22,7 @@ dnspython = "^2.6"
 [tool.poetry.group.dev.dependencies]
 black = "^24.10"
 ruff = "^0.6"
+alembic = "^1.17.2"
 
 [tool.poetry.scripts]
 # optional: CLI entrypoint (statt python -m app.cli)