diff --git a/.github/workflows/hermes-zenodo.yml b/.github/workflows/hermes-zenodo.yml
index 402c5944..302fdeb0 100644
--- a/.github/workflows/hermes-zenodo.yml
+++ b/.github/workflows/hermes-zenodo.yml
@@ -42,7 +42,7 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: '3.10'
-      - run: pip install hermes
+      - run: pip install hermes hermes-plugin-python
       - run: hermes harvest
       - run: hermes process
       - run: hermes curate
diff --git a/.gitignore b/.gitignore
index d7c36ebe..5856425f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,4 @@ dist/
 
 # HERMES workflow specifics
 .hermes/
+hermes.log
diff --git a/CITATION.cff b/CITATION.cff
index 36db497f..dfb7efe6 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -14,7 +14,7 @@ title: hermes
 message: >-
   If you use this software, please cite it using the
   metadata from this file.
-version: 0.8.1b1
+version: 0.8.1
 license: "Apache-2.0"
 abstract: "Tool to automate software publication. Not stable yet."
 type: software
diff --git a/hermes.toml b/hermes.toml
index f455746a..3aa44a8f 100644
--- a/hermes.toml
+++ b/hermes.toml
@@ -3,10 +3,7 @@
 # SPDX-License-Identifier: CC0-1.0
 
 [harvest]
-sources = [ "cff" ] # ordered priority (first one is most important)
-
-[harvest.cff]
-enable_validation = false
+sources = [ "cff", "toml" ] # ordered priority (first one is most important)
 
 [deposit]
 target = "invenio_rdm"
diff --git a/pyproject.toml b/pyproject.toml
index 41bad489..42a4747b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@
 [tool.poetry]
 # Reference at https://python-poetry.org/docs/pyproject/
 name = "hermes"
-version = "0.1.0"
+version = "0.8.1"
 description = "Workflow to publish research software with rich metadata"
 homepage = "https://software-metadata.pub"
 license = "Apache-2.0"
@@ -20,6 +20,7 @@ authors = [
     "Jeffrey Kelling <j.kelling@hzdr.de>",
     "Oliver Knodel <o.knodel@hzdr.de>",
     "David Pape <d.pape@hzdr.de>",
+    "Sophie Kernchen <sohpie.kernchen@dlr.de>",
 ]
 
 readme = "README.md"
diff --git a/src/hermes/commands/base.py b/src/hermes/commands/base.py
index dea22412..82692975 100644
--- a/src/hermes/commands/base.py
+++ b/src/hermes/commands/base.py
@@ -43,6 +43,7 @@ def __init__(self, parser: argparse.ArgumentParser):
         self.settings = None
 
         self.log = logging.getLogger(f"hermes.{self.command_name}")
+        self.errors = []
 
     def init_plugins(self):
         """Collect and initialize the plugins available for the HERMES command."""
diff --git a/src/hermes/commands/cli.py b/src/hermes/commands/cli.py
index e13cfcf0..542ff891 100644
--- a/src/hermes/commands/cli.py
+++ b/src/hermes/commands/cli.py
@@ -9,7 +9,9 @@
 This module provides the main entry point for the HERMES command line application.
 """
 import argparse
+import sys
 
+from hermes import logger
 from hermes.commands import HermesHelpCommand, HermesCleanCommand, HermesHarvestCommand, HermesProcessCommand, \
                             HermesCurateCommand, HermesDepositCommand, HermesPostprocessCommand
 from hermes.commands.base import HermesCommand
@@ -56,6 +58,28 @@ def main() -> None:
     # Actually parse the command line, configure it and execute the selected sub-command.
     args = parser.parse_args()
 
-    args.command.load_settings(args)
-    args.command.patch_settings(args)
-    args.command(args)
+    logger.init_logging()
+    log = logger.getLogger("hermes.cli")
+    log.debug("Running hermes with the following command line arguments: %s", args)
+
+    try:
+        log.debug("Loading settings...")
+        args.command.load_settings(args)
+
+        log.debug("Update settings from command line...")
+        args.command.patch_settings(args)
+
+        log.info("Run subcommand %s", args.command.command_name)
+        args.command(args)
+    except Exception as e:
+        log.error("An error occurred during execution of %s", args.command.command_name)
+        log.debug("Original exception was: %s", e)
+
+        sys.exit(2)
+
+    if args.command.errors:
+        for e in args.command.errors:
+            log.error(e)
+        sys.exit(1)
+
+    sys.exit(0)
diff --git a/src/hermes/commands/deposit/base.py b/src/hermes/commands/deposit/base.py
index e92249ad..0a8e10f5 100644
--- a/src/hermes/commands/deposit/base.py
+++ b/src/hermes/commands/deposit/base.py
@@ -120,7 +120,6 @@ def init_command_parser(self, command_parser: argparse.ArgumentParser) -> None:
     def __call__(self, args: argparse.Namespace) -> None:
         self.args = args
         plugin_name = self.settings.target
-        print(self.args)
 
         ctx = CodeMetaContext()
         codemeta_file = ctx.get_cache("curate", ctx.hermes_name)
@@ -135,11 +134,13 @@ def __call__(self, args: argparse.Namespace) -> None:
         try:
             plugin_func = self.plugins[plugin_name](self, ctx)
 
-        except KeyError:
+        except KeyError as e:
             self.log.error("Plugin '%s' not found.", plugin_name)
+            self.errors.append(e)
 
         try:
             plugin_func(self)
 
         except HermesValidationError as e:
             self.log.error("Error while executing %s: %s", plugin_name, e)
+            self.errors.append(e)
diff --git a/src/hermes/commands/deposit/invenio.py b/src/hermes/commands/deposit/invenio.py
index 6c8ff139..ddee7e68 100644
--- a/src/hermes/commands/deposit/invenio.py
+++ b/src/hermes/commands/deposit/invenio.py
@@ -105,7 +105,7 @@ class InvenioResolver:
     invenio_client_class = InvenioClient
 
     def __init__(self, client=None):
-        self.client = client or self.invenio_client_class()
+        self.client = client or self.invenio_client_class(InvenioDepositSettings())
 
     def resolve_latest_id(
         self, record_id=None, doi=None, codemeta_identifier=None
diff --git a/src/hermes/commands/harvest/base.py b/src/hermes/commands/harvest/base.py
index dee745c5..4d2a1731 100644
--- a/src/hermes/commands/harvest/base.py
+++ b/src/hermes/commands/harvest/base.py
@@ -48,10 +48,8 @@ def __call__(self, args: argparse.Namespace) -> None:
             try:
                 plugin_func = self.plugins[plugin_name]()
                 harvested_data, tags = plugin_func(self)
-                print(harvested_data)
-                with HermesHarvestContext(
-                        ctx, plugin_name
-                ) as harvest_ctx:
+
+                with HermesHarvestContext(ctx, plugin_name) as harvest_ctx:
                     harvest_ctx.update_from(harvested_data,
                                             plugin=plugin_name,
                                             timestamp=datetime.now().isoformat(), **tags)
@@ -59,8 +57,10 @@ def __call__(self, args: argparse.Namespace) -> None:
                         if any(v != _value and t == _tag for v, t in _trace):
                             raise MergeError(_key, None, _value)
 
-            except KeyError:
+            except KeyError as e:
                 self.log.error("Plugin '%s' not found.", plugin_name)
+                self.errors.append(e)
 
             except HermesValidationError as e:
                 self.log.error("Error while executing %s: %s", plugin_name, e)
+                self.errors.append(e)
diff --git a/src/hermes/commands/postprocess/invenio.py b/src/hermes/commands/postprocess/invenio.py
index 7d039ae1..a7ba6b53 100644
--- a/src/hermes/commands/postprocess/invenio.py
+++ b/src/hermes/commands/postprocess/invenio.py
@@ -24,7 +24,7 @@ def config_record_id(ctx):
         conf.deposit.invenio.record_id = deposition['record_id']
         toml.dump(conf, open('hermes.toml', 'w'))
     except KeyError:
-        raise RuntimeError("No deposit.invenio configuration available to store record id in") from None
+        raise RuntimeError("No deposit.invenio configuration available to store record id in")
 
 
 def cff_doi(ctx):
diff --git a/src/hermes/commands/postprocess/invenio_rdm.py b/src/hermes/commands/postprocess/invenio_rdm.py
index 7b2bf37c..9553f47b 100644
--- a/src/hermes/commands/postprocess/invenio_rdm.py
+++ b/src/hermes/commands/postprocess/invenio_rdm.py
@@ -23,4 +23,4 @@ def config_record_id(ctx):
         conf['deposit']['invenio_rdm']['record_id'] = deposition['record_id']
         toml.dump(conf, open('hermes.toml', 'w'))
     except KeyError:
-        raise RuntimeError("No deposit.invenio configuration available to store record id in") from None
+        raise RuntimeError("No deposit.invenio_rdm configuration available to store record id in")
diff --git a/src/hermes/commands/process/base.py b/src/hermes/commands/process/base.py
index 8abeacc5..9e29d1e6 100644
--- a/src/hermes/commands/process/base.py
+++ b/src/hermes/commands/process/base.py
@@ -58,7 +58,8 @@ def __call__(self, args: argparse.Namespace) -> None:
             ctx.merge_contexts_from(harvest_context)
 
         if ctx._errors:
-            self.log.error('!!! warning "Errors during merge"')
+            self.log.error('Errors during merge')
+            self.errors.extend(ctx._errors)
 
             for ep, error in ctx._errors:
                 self.log.info("    - %s: %s", ep.name, error)
diff --git a/src/hermes/logger.py b/src/hermes/logger.py
index cd8b28bc..7b6dd981 100644
--- a/src/hermes/logger.py
+++ b/src/hermes/logger.py
@@ -31,7 +31,7 @@
             'class': "logging.FileHandler",
             'formatter': "logfile",
             'level': "DEBUG",
-            'filename': "./.hermes/hermes.log",
+            'filename': "./hermes.log",
         },
 
         'auditfile': {
@@ -50,12 +50,6 @@
     },
 }
 
-# This dict caches all the different configuration sections already loaded
-_config = {
-    # We need some basic logging configuration to get logging up and running at all
-    'logging': _logging_config,
-}
-
 _loggers = {}
 
 
@@ -64,14 +58,14 @@ def init_logging():
         return
 
     # Make sure the directories to hold the log files exists (or else create)
-    pathlib.Path(_config['logging']['handlers']['logfile']['filename']).parent.mkdir(exist_ok=True, parents=True)
-    pathlib.Path(_config['logging']['handlers']['auditfile']['filename']).parent.mkdir(exist_ok=True, parents=True)
+    pathlib.Path(_logging_config['handlers']['logfile']['filename']).parent.mkdir(exist_ok=True, parents=True)
+    pathlib.Path(_logging_config['handlers']['auditfile']['filename']).parent.mkdir(exist_ok=True, parents=True)
 
     # Inintialize logging system
     import logging.config
 
-    logging.config.dictConfig(_config['logging'])
-    for log_name in _config['logging']['loggers']:
+    logging.config.dictConfig(_logging_config)
+    for log_name in _logging_config['loggers']:
         _loggers[log_name] = logging.getLogger(log_name)
 
 
diff --git a/src/hermes/settings.py b/src/hermes/settings.py
deleted file mode 100644
index fbae7b92..00000000
--- a/src/hermes/settings.py
+++ /dev/null
@@ -1,44 +0,0 @@
-# SPDX-FileCopyrightText: 2024 German Aerospace Center (DLR)
-#
-# SPDX-License-Identifier: Apache-2.0
-
-# SPDX-FileContributor: Sophie Kernchen
-# SPDX-FileContributor: Michael Meinel
-
-import pathlib
-from typing import Any, Dict, Tuple
-
-import toml
-from pydantic.fields import FieldInfo
-from pydantic_settings import PydanticBaseSettingsSource
-
-
-class TomlConfigSettingsSource(PydanticBaseSettingsSource):
-    """
-    A simple settings source class that loads variables from a TOML file
-    at the project's root.
-
-    Here we happen to choose to use the `env_file_encoding` from Config
-    when reading `config.json`
-    """
-    def __init__(self, settings_cls, config_path):
-        super().__init__(settings_cls)
-        self.__config_path = config_path
-
-    def get_field_value(self, field: FieldInfo, field_name: str) -> Tuple[Any, str, bool]:
-        file_content_toml = toml.load(pathlib.Path(self.__config_path))
-        field_value = file_content_toml.get(field_name)
-        return field_value, field_name, False
-
-    def prepare_field_value(self, field_name: str, field: FieldInfo, value: Any, value_is_complex: bool) -> Any:
-        return value
-
-    def __call__(self) -> Dict[str, Any]:
-        d: Dict[str, Any] = {}
-        for field_name, field in self.settings_cls.model_fields.items():
-            field_value, field_key, value_is_complex = self.get_field_value(field, field_name)
-            field_value = self.prepare_field_value(field_name, field, field_value, value_is_complex)
-            if field_value is not None:
-                d[field_key] = field_value
-
-        return d
diff --git a/test/hermes_test/conftest.py b/test/hermes_test/conftest.py
index 16f3b7a0..2d3e52b2 100644
--- a/test/hermes_test/conftest.py
+++ b/test/hermes_test/conftest.py
@@ -23,8 +23,10 @@ def __setitem__(self, path, data):
 
     def __enter__(self):
         self.test_path.mkdir(parents=True, exist_ok=True)
+
         for file_name, data in self.test_files.items():
             file_path = self.test_path / file_name
+            file_path.parent.mkdir(parents=True, exist_ok=True)
             file_path.write_text(data)
 
         os.chdir(self.test_path)
diff --git a/test/hermes_test/test_cli.py b/test/hermes_test/test_cli.py
index 9261c391..85b40e5e 100644
--- a/test/hermes_test/test_cli.py
+++ b/test/hermes_test/test_cli.py
@@ -9,23 +9,27 @@
 from hermes.commands import cli
 
 
-def test_hermes_full(capsys):
+def test_hermes_full():
     with pytest.raises(SystemExit) as se:
         cli.main()
         assert "choose from" in se
 
 
-@pytest.mark.skip(reason="Needs update")
 def test_hermes_harvest(hermes_env):
+    hermes_env['hermes.toml'] = ""
+
     with hermes_env:
         result = hermes_env.run("harvest")
 
     assert result.returncode == 0
 
 
-@pytest.mark.skip(reason="Needs update")
 def test_hermes_process(hermes_env):
+    hermes_env['hermes.toml'] = ""
+    hermes_env['.hermes/harvest/test.json'] = ""
+
     with hermes_env:
         result = hermes_env.run("process")
+        print(result.stdout.read())
 
     assert result.returncode == 0