diff --git a/Dockerfile b/Dockerfile
index 96b8405..4e15424 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,6 +22,7 @@ RUN pip install --upgrade pip && \
 COPY Pipfile Pipfile.lock ./
 RUN pipenv install --python=3.10 --system --deploy
 ENV IS_DOCKER=1
+# doing this at the end helps during development, builds are quick
 COPY ./src/ . 
 
 # TODO: figure out how to make volumes not be root, does it depend on host or dockerfile?
diff --git a/src/auto_archiver/core/config.py b/src/auto_archiver/core/config.py
index 206593e..5aa725d 100644
--- a/src/auto_archiver/core/config.py
+++ b/src/auto_archiver/core/config.py
@@ -4,9 +4,10 @@ import argparse, yaml
 from dataclasses import dataclass, field
 from typing import List
 from collections import defaultdict
+from loguru import logger
 
 from ..archivers import Archiver
-from ..feeders import Feeder, CLIFeeder
+from ..feeders import Feeder
 from ..databases import Database
 from ..formatters import Formatter
 from ..storages import Storage
@@ -80,7 +81,6 @@ class Config:
         # 2. read YAML config file (or use provided value)
         self.yaml_config = self.read_yaml(yaml_config_filename)
 
-        # print(f"{self.yaml_config.get('configurations', {})=}")
         # 3. CONFIGS: decide value with priority: CLI >> config.yaml >> default
         self.config = defaultdict(dict)
         for config_path, default in self.defaults.items():
@@ -90,7 +90,6 @@ class Config:
                 val = self.cli_ops[config_path](val, default)
             if val is None:
                 val = self.yaml_config.get("configurations", {}).get(child, {}).get(config, default)
-            # print(child, config, val)
             self.config[child][config] = val
         self.config = dict(self.config)
 
@@ -99,21 +98,19 @@ class Config:
         assert "archivers" in steps, "your configuration steps are missing the archivers property"
         assert "storages" in steps, "your configuration steps are missing the storages property"
 
-        # print("config.py", self.config)
-
         self.feeder = Feeder.init(steps.get("feeder", "cli_feeder"), self.config)
-        self.formatter = Formatter.init(steps.get("formatter", "html_formatter"), self.config)
+        self.formatter = Formatter.init(steps.get("formatter", "mute_formatter"), self.config)
         self.enrichers = [Enricher.init(e, self.config) for e in steps.get("enrichers", [])]
         self.archivers = [Archiver.init(e, self.config) for e in (steps.get("archivers") or [])]
         self.databases = [Database.init(e, self.config) for e in steps.get("databases", [])]
         self.storages = [Storage.init(e, self.config) for e in steps.get("storages", [])]
 
-        print("feeder", self.feeder)
-        print("enrichers", [e for e in self.enrichers])
-        print("archivers", [e for e in self.archivers])
-        print("databases", [e for e in self.databases])
-        print("storages", [e for e in self.storages])
-        print("formatter", self.formatter)
+        logger.info(f"FEEDER: {self.feeder.name}")
+        logger.info(f"ENRICHERS: {[x.name for x in self.enrichers]}")
+        logger.info(f"ARCHIVERS: {[x.name for x in self.archivers]}")
+        logger.info(f"DATABASES: {[x.name for x in self.databases]}")
+        logger.info(f"STORAGES: {[x.name for x in self.storages]}")
+        logger.info(f"FORMATTER: {self.formatter.name}")
 
     def read_yaml(self, yaml_filename: str) -> dict:
         with open(yaml_filename, "r", encoding="utf-8") as inf:
diff --git a/src/auto_archiver/core/orchestrator.py b/src/auto_archiver/core/orchestrator.py
index a6cfd4d..e7940a4 100644
--- a/src/auto_archiver/core/orchestrator.py
+++ b/src/auto_archiver/core/orchestrator.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 from ast import List
-from typing import Union, Dict
-from dataclasses import dataclass
+from typing import Union
 
 from ..archivers import Archiver
 from ..feeders import Feeder
@@ -12,7 +11,7 @@ from ..databases import Database
 from .media import Media
 from .metadata import Metadata
 
-import tempfile, time, traceback
+import tempfile, traceback
 from loguru import logger
 
 
diff --git a/src/auto_archiver/feeders/cli_feeder.py b/src/auto_archiver/feeders/cli_feeder.py
index b9c0723..abc7602 100644
--- a/src/auto_archiver/feeders/cli_feeder.py
+++ b/src/auto_archiver/feeders/cli_feeder.py
@@ -15,7 +15,7 @@ class CLIFeeder(Feeder):
         # without this STEP.__init__ is not called
         super().__init__(config)
         if type(self.urls) != list or len(self.urls) == 0:
-            logger.info(f"CLI Feeder did not receive any URL to process")
+            raise Exception("CLI Feeder did not receive any URL to process")
 
     @staticmethod
     def configs() -> dict:
diff --git a/src/auto_archiver/formatters/__init__.py b/src/auto_archiver/formatters/__init__.py
index 07a52a0..ce8afac 100644
--- a/src/auto_archiver/formatters/__init__.py
+++ b/src/auto_archiver/formatters/__init__.py
@@ -1,2 +1,3 @@
 from .formatter import Formatter
-from .html_formatter import HtmlFormatter
\ No newline at end of file
+from .html_formatter import HtmlFormatter
+from .mute_formatter import MuteFormatter
\ No newline at end of file
diff --git a/src/auto_archiver/formatters/formatter.py b/src/auto_archiver/formatters/formatter.py
index 80d5d06..b10477e 100644
--- a/src/auto_archiver/formatters/formatter.py
+++ b/src/auto_archiver/formatters/formatter.py
@@ -1,8 +1,7 @@
 from __future__ import annotations
 from dataclasses import dataclass
 from abc import abstractmethod
-from ..core import Metadata
-from ..core import Step
+from ..core import Metadata, Media, Step
 
 
 @dataclass
@@ -18,4 +17,4 @@ class Formatter(Step):
         return Step.init(name, config, Formatter)
 
     @abstractmethod
-    def format(self, item) -> Metadata: return None
\ No newline at end of file
+    def format(self, item: Metadata) -> Media: return None
\ No newline at end of file
diff --git a/src/auto_archiver/formatters/html_formatter.py b/src/auto_archiver/formatters/html_formatter.py
index 1aab084..72db4c0 100644
--- a/src/auto_archiver/formatters/html_formatter.py
+++ b/src/auto_archiver/formatters/html_formatter.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 from dataclasses import dataclass
-from abc import abstractmethod
 import mimetypes
 from jinja2 import Environment, FileSystemLoader
 import uuid, os, pathlib
diff --git a/src/auto_archiver/formatters/mute_formatter.py b/src/auto_archiver/formatters/mute_formatter.py
new file mode 100644
index 0000000..81b89b5
--- /dev/null
+++ b/src/auto_archiver/formatters/mute_formatter.py
@@ -0,0 +1,15 @@
+from __future__ import annotations
+from dataclasses import dataclass
+from ..core import Metadata, Media
+from . import Formatter
+
+
+@dataclass
+class MuteFormatter(Formatter):
+    name = "mute_formatter"
+
+    def __init__(self, config: dict) -> None:
+        # without this STEP.__init__ is not called
+        super().__init__(config)
+
+    def format(self, item: Metadata) -> Media: return None
\ No newline at end of file