diff --git a/src/jcloud_deployment_server/__main__.py b/src/jcloud_deployment_server/__main__.py
index 0cadb68..bafd57e 100644
--- a/src/jcloud_deployment_server/__main__.py
+++ b/src/jcloud_deployment_server/__main__.py
@@ -12,144 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from fastapi import FastAPI
-import os
-import uvicorn
-import argparse
-import ipaddress
-import jcloud_config_parser
-import logging
-import pathlib
-
-def existing_file(path: str) -> pathlib.Path:
-    '''
-    Checks whether a path is a file and returns it if it exists.
-
-    :param path: The path
-    :type path: str
-
-    :raises argparse.ArgumentTypeError: If the path is a directory or does not exist.
-
-    :return: The path
-    :rtype: pathlib.Path
-    '''
-
-    if os.path.isdir(path):
-        raise argparse.ArgumentTypeError(f'\'{path}\': Is a directory')
-    if not os.path.isfile(path):
-        raise argparse.ArgumentTypeError(f'\'{path}\': No such file or directory')
-    return pathlib.Path(path)
-
-# parse arguments
-
-argument_parser = argparse.ArgumentParser(description='The jCloud deployment server.')
-argument_parser.add_argument('-c', '--config', type=existing_file, default=pathlib.Path(os.path.dirname(__file__) + '/../../config/'), help='The directory containing the configuration files.')
-argument_parser.add_argument('-H', '--host', type=ipaddress.ip_address, default=None, help='The host to listen')
-argument_parser.add_argument('-p', '--port', type=int, default=None, help='The port to listen')
-args = argument_parser.parse_args()
-
-# load default configuration
-with open(os.path.dirname(__file__) + '/../../default_configuration.conf') as f:
-    default_configuration = jcloud_config_parser.ini.INIConfiguration.from_string(f.read())
-    f.close()
-
-# load configuration
-configuration = jcloud_config_parser.ini.INIConfiguration.from_string(
-    (args.config / 'server.conf').read_text(),
-    default=default_configuration,
-    ignore_errors=True
-)
-
-logfile = configuration.logging.logfile
-if os.path.isdir(logfile):
-    logfile = None
-if not logfile:
-    logfile = None
-
-LOGLEVEL = logging._nameToLevel.get(configuration.logging.loglevel.upper(), logging._nameToLevel.get(default_configuration.logging.loglevel.upper(), logging.INFO))
-
-# set up logging
-LOGGING_FORMAT = '%(asctime)s [%(levelname)s] %(name)s: %(message)s'
-logging.basicConfig(level=LOGLEVEL, format=LOGGING_FORMAT)
-logger = logging.getLogger('api')
-logger.propagate = False
-logger.handlers = list()
-
-formatter = logging.Formatter(LOGGING_FORMAT)
-if logfile is not None:
-    logger_file_handler = logging.FileHandler(logfile)
-    logger_file_handler.setFormatter(formatter)
-    logger.addHandler(logger_file_handler)
-
-def validate_host(host: str) -> bool:
-    '''
-    Checks whether the address is a valid address (``ip:port``), e. g. ``0.0.0.0:3000``.
-
-    :param addr: The address
-    :type addr: str
-
-    :return: ``True`` if the address is valid, otherwise ``False``.
-    :rtype: bool
-    '''
-
-    try:
-        ipaddress.ip_address(host)
-
-        return True
-    except Exception:
-        return False
-
-# host
-host = args.host or configuration.server.host
-if not validate_host(host):
-    logger.error(f'Error in configuration: [server]host: \'{host}\' is not a valid host, using default value.')
-    host = default_configuration.server.host
-
-# port
-port = args.port or configuration.server.port
-if not port.isdigit():
-    logger.error(f'Error in configuration: [server]port: \'{port}\' is not an integer, using default value.')
-    port = default_configuration.server.port
-else:
-    if not (0 <= int(port) <= 65535):
-        logger.error(f'Error in configuration: [server]port: {port} is not between 0 and 65535, using default value.')
-        port = default_configuration.server.port
-port = int(port)
-
-# Initialize FastAPI
-app = FastAPI(
-    docs_url=configuration.docs.swagger,
-    redoc_url=configuration.docs.redoc,
-    openapi_url=configuration.docs.openapi
-)
+from .api import main
 
 if __name__ == '__main__':
-    uvicorn.run(
-        app,
-        host = host,
-        port = port,
-        server_header = False,
-        log_config = {
-            'version': 1,
-            'disable_existing_loggers': True,
-            'handlers': {
-                'uvicorn_handler': {
-                    'class': 'logging.FileHandler',
-                    'filename': logfile,
-                    'formatter': 'uvicorn_formatter',
-                },
-            },
-            'formatters': {
-                'uvicorn_formatter': {
-                    'format': LOGGING_FORMAT
-                },
-            },
-            'loggers': {
-                'uvicorn': {
-                    'handlers': ['uvicorn_handler'],
-                    'level': LOGLEVEL,
-                    'propagate': False
-                },
-            },
-        }
-    )
\ No newline at end of file
+    main.main()
\ No newline at end of file
diff --git a/src/jcloud_deployment_server/api/arguments.py b/src/jcloud_deployment_server/api/arguments.py
new file mode 100644
index 0000000..d354cec
--- /dev/null
+++ b/src/jcloud_deployment_server/api/arguments.py
@@ -0,0 +1,62 @@
+# Copyright 2026 jCloud
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import argparse
+import os
+import pathlib
+import ipaddress
+
+__all__ = [
+    'parse_args'
+]
+
+def existing_file(path: str) -> pathlib.Path:
+    '''
+    Checks whether a path is a file and returns it if it exists.
+
+    :param path: The path
+    :type path: str
+
+    :raises argparse.ArgumentTypeError: If the path is a directory or does not exist.
+
+    :return: The path
+    :rtype: pathlib.Path
+    '''
+
+    if os.path.isdir(path):
+        raise argparse.ArgumentTypeError(f'\'{path}\': Is a directory')
+    if not os.path.isfile(path):
+        raise argparse.ArgumentTypeError(f'\'{path}\': No such file or directory')
+    return pathlib.Path(path)
+
+def parse_args(argv: list[str]) -> argparse.Namespace:
+    '''
+    Parses the arguments.
+
+    :param argv: The arguments.
+    :type argv: list[str]
+
+    :return: The argument namespace.
+    :rtype: argparse.Namespace
+    '''
+
+    # parse arguments
+
+    argument_parser = argparse.ArgumentParser(description='The jCloud deployment server.')
+
+    argument_parser.add_argument('-c', '--config', type=existing_file, default=pathlib.Path(os.path.dirname(__file__) + '/../../../config/'), help='The directory containing the configuration files.')
+    argument_parser.add_argument('-H', '--host', type=ipaddress.ip_address, default=None, help='The host to listen')
+    argument_parser.add_argument('-p', '--port', type=int, default=None, help='The port to listen')
+
+    return argument_parser.parse_args(argv)
\ No newline at end of file
diff --git a/src/jcloud_deployment_server/api/config.py b/src/jcloud_deployment_server/api/config.py
new file mode 100644
index 0000000..f7e5c8b
--- /dev/null
+++ b/src/jcloud_deployment_server/api/config.py
@@ -0,0 +1,112 @@
+# Copyright 2026 jCloud
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import jcloud_config_parser
+import ipaddress
+import pathlib
+import logging
+import argparse
+
+__all__ = [
+    'load_config',
+    'process_host_and_port'
+]
+
+def load_config(config_directory: pathlib.Path) -> tuple[
+        jcloud_config_parser.ini.INIConfiguration,
+        jcloud_config_parser.ini.INIConfiguration
+    ]:
+    '''
+    Loads the configuration and the default configuration.
+
+    :param config_directory: The configuration directory.
+    :type config_directory: pathlib.Path
+
+    :return: The configuration.
+    :rtype: tuple[jcloud_config_parser.ini.INIConfiguration, jcloud_config_parser.ini.INIConfiguration]
+    '''
+
+    # load default configuration
+    with open(os.path.dirname(__file__) + '/../../../default_configuration.conf') as f:
+        default_configuration = jcloud_config_parser.ini.INIConfiguration.from_string(f.read())
+        f.close()
+
+    # load configuration
+    configuration = jcloud_config_parser.ini.INIConfiguration.from_string(
+        (config_directory / 'server.conf').read_text(),
+        default=default_configuration,
+        ignore_errors=True
+    )
+
+    return configuration, default_configuration
+
+def _validate_host(host: str) -> bool:
+    '''
+    Checks whether the address is a valid address (``ip:port``), e. g. ``0.0.0.0:3000``.
+
+    :param addr: The address
+    :type addr: str
+
+    :return: ``True`` if the address is valid, otherwise ``False``.
+    :rtype: bool
+    '''
+
+    try:
+        ipaddress.ip_address(host)
+
+        return True
+    except Exception:
+        return False
+
+def process_host_and_port(
+        configuration: jcloud_config_parser.ini.INIConfiguration,
+        default_configuration: jcloud_config_parser.ini.INIConfiguration,
+        args: argparse.Namespace,
+        logger: logging.Logger
+    ) -> tuple[str, int]:
+    '''
+    Processes the host and port in the configuration.
+    
+    Uses default values and the configuration data passed via
+    command-line arguments as a fallback.
+
+    :param configuration: The configuration.
+    :type configuration: jcloud_config_parser.ini.INIConfiguration
+    :param default_configuration: The default configuration.
+    :type default_configuration: jcloud_config_parser.ini.INIConfiguration
+    :param args: The arguments.
+    :type args: argparse.Namespace
+
+    :return: The host and the port
+    :rtype: tuple[str, int]
+    '''
+
+    # host
+    host = args.host or configuration.server.host
+    if not _validate_host(host):
+        logger.error(f'Error in configuration: [server]host: \'{host}\' is not a valid host, using default value.')
+        host = default_configuration.server.host
+
+    # port
+    port = args.port or configuration.server.port
+    if not port.isdigit():
+        logger.error(f'Error in configuration: [server]port: \'{port}\' is not an integer, using default value.')
+        port = default_configuration.server.port
+    else:
+        if not (0 <= int(port) <= 65535):
+            logger.error(f'Error in configuration: [server]port: {port} is not between 0 and 65535, using default value.')
+            port = default_configuration.server.port
+
+    return host, int(port)
\ No newline at end of file
diff --git a/src/jcloud_deployment_server/api/logging.py b/src/jcloud_deployment_server/api/logging.py
new file mode 100644
index 0000000..c9c387a
--- /dev/null
+++ b/src/jcloud_deployment_server/api/logging.py
@@ -0,0 +1,70 @@
+# Copyright 2026 jCloud
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import jcloud_config_parser
+import logging
+import pathlib
+from dataclasses import dataclass
+
+__all__ = [
+    'setup_logging'
+]
+
+@dataclass
+class LoggingInfo:
+    logger: logging.Logger
+    logfile: pathlib.Path
+    format: str
+    level: int
+
+def setup_logging(configuration: jcloud_config_parser.ini.INIConfiguration) -> LoggingInfo:
+    '''
+    Sets up logging.
+
+    :param configuration: The configuration.
+    :type configuration: jcloud_config_parser.ini.INIConfiguration
+
+    :return: The logger info.
+    :rtype: LoggingInfo
+    '''
+
+    logfile = configuration.logging.logfile
+    if os.path.isdir(logfile) or not logfile:
+        logfile = None
+
+    loglevel = logging._nameToLevel.get(
+        configuration.logging.loglevel.upper(),
+        logging.INFO
+    )
+
+    # set up logging
+    logging_format = '%(asctime)s [%(levelname)s] %(name)s: %(message)s'
+    logging.basicConfig(level=loglevel, format=logging_format)
+    logger = logging.getLogger('api')
+    logger.propagate = False
+    logger.handlers = list()
+
+    formatter = logging.Formatter(logging_format)
+    if logfile is not None:
+        logger_file_handler = logging.FileHandler(logfile)
+        logger_file_handler.setFormatter(formatter)
+        logger.addHandler(logger_file_handler)
+    
+    return LoggingInfo(
+        logger,
+        logfile,
+        logging_format,
+        loglevel
+    )
\ No newline at end of file
diff --git a/src/jcloud_deployment_server/api/main.py b/src/jcloud_deployment_server/api/main.py
new file mode 100644
index 0000000..de132f2
--- /dev/null
+++ b/src/jcloud_deployment_server/api/main.py
@@ -0,0 +1,78 @@
+# Copyright 2026 jCloud
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from fastapi import FastAPI
+import os
+import uvicorn
+import ipaddress
+import jcloud_config_parser
+import logging
+from .arguments import parse_args
+from .config import load_config, process_host_and_port
+from .logging import setup_logging
+from ..integrations.gitea.middlewares.signature import GiteaSignatureMiddleware
+import sys
+
+def main():
+    args = parse_args(sys.argv[1:])
+
+    configuration, default_configuration = load_config(args.config)
+
+    logger_info = setup_logging(configuration)
+
+    host, port = process_host_and_port(
+        configuration,
+        default_configuration,
+        args,
+        logger_info.logger
+    )
+
+    # Initialize FastAPI
+    app = FastAPI(
+        docs_url=configuration.docs.swagger,
+        redoc_url=configuration.docs.redoc,
+        openapi_url=configuration.docs.openapi
+    )
+
+    app.add_middleware(GiteaSignatureMiddleware, secret = b'', logger = logger_info.logger)
+
+    uvicorn.run(
+        app,
+        host = host,
+        port = port,
+        server_header = False,
+        log_config = {
+            'version': 1,
+            'disable_existing_loggers': True,
+            'handlers': {
+                'uvicorn_handler': {
+                    'class': 'logging.FileHandler',
+                    'filename': str(logger_info.logfile),
+                    'formatter': 'uvicorn_formatter',
+                },
+            },
+            'formatters': {
+                'uvicorn_formatter': {
+                    'format': logger_info.format
+                },
+            },
+            'loggers': {
+                'uvicorn': {
+                    'handlers': ['uvicorn_handler'],
+                    'level': logger_info.level,
+                    'propagate': False
+                },
+            },
+        }
+    )
\ No newline at end of file