diff --git a/.flake8 b/.flake8
deleted file mode 100644
index 1d1c7f5..0000000
--- a/.flake8
+++ /dev/null
@@ -1,8 +0,0 @@
-# vim: ft=cfg
-[flake8]
-max-complexity = 7
-docstring-convention=google
-
-# Required to be compatible with black
-extend-ignore = E203,W503
-inline-quotes = double
diff --git a/.gitignore b/.gitignore
index 0156c35..4fc828a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,3 @@
 __pycache__/
 .venv/
 backup_tool
-*.egg-info/
-.tox/
-.coverage
diff --git a/.woodpecker.yml b/.woodpecker.yml
deleted file mode 100644
index 9673933..0000000
--- a/.woodpecker.yml
+++ /dev/null
@@ -1,31 +0,0 @@
-matrix:
-    PYTHON_VERSION:
-        - 3.6
-        - 3.7
-        - 3.8
-        - 3.9
-
-pipeline:
-    test:
-        group: test
-        image: python:${PYTHON_VERSION}-alpine
-        pull: true
-        commands:
-            - pip install -e .[test]
-            - pytest --cov=app --cov-fail-under=90 tests/
-
-    test-pypy:
-        group: test
-        image: pypy:3-7-slim
-        pull: true
-        commands:
-            - pip install -e .[test]
-            - pytest --cov=app --cov-fail-under=90 tests/
-
-    lint:
-        image: python:3.6-alpine
-        commands:
-            - apk update && apk add --no-cache build-base
-            - pip install -e .[lint]
-            - black --check setup.py app
-            - flake8 setup.py app
diff --git a/Makefile b/Makefile
index ab0f16e..5f6e639 100644
--- a/Makefile
+++ b/Makefile
@@ -1,28 +1,25 @@
 # =====CONFIG=====
-PYTHON := python3.6
-VENV   := .venv
+# Devop environment runs in 3.8
+PYTHON=python3.8
 
 
 # =====RECIPES=====
-# Create the virtual environment
-$(VENV)/bin/activate: setup.py
-	'$(PYTHON)' -m venv '$(VENV)'
-	'$(VENV)/bin/pip' install -e .[develop]
+.venv/bin/activate: requirements.txt requirements-dev.txt
+	'$(PYTHON)' -m venv .venv
+	.venv/bin/pip install -r requirements.txt -r requirements-dev.txt
 
-venv: $(VENV)/bin/activate
+venv: .venv/bin/activate
 .PHONY: venv
 
-# Format the codebase using Black
 format: venv
-	@ '$(VENV)/bin/black' setup.py app
+	@ .venv/bin/black app/*.py app/**/*.py
 .PHONY: format
 
-# Remove any temporary files
 clean:
-	@ rm -rf '$(VENV)' .tox backup_tool
+	rm -rf .venv
+	rm backup_tool
 .PHONY: clean
 
-# Pack the package into a zipfile
 backup_tool:
 	@ cd app && \
 		zip -r ../app.zip * \
@@ -34,17 +31,5 @@ backup_tool:
 app: backup_tool
 .PHONY: app
 
-# Install the app
 install: app
 	cp backup_tool /usr/local/bin
-.PHONY: install
-
-# We can't force the develop to have all the versions locally, so
-# the local tests only include python3.6
-test: venv tox.ini
-	@ '$(VENV)/bin/tox' -e py36
-.PHONY: test
-
-lint: venv
-	@ '$(VENV)/bin/tox' -e lint
-.PHONY: lint
diff --git a/app/__init__.py b/app/__init__.py
deleted file mode 100644
index 5927fab..0000000
--- a/app/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-"""Module containing all app code."""
diff --git a/app/__main__.py b/app/__main__.py
index 1a674ad..fb38e8d 100644
--- a/app/__main__.py
+++ b/app/__main__.py
@@ -1,65 +1,64 @@
-"""The main entrypoint of the program."""
 import argparse
 import sys
 from parser import read_specs_file
 
 
-def except_hook(ext_type, value, traceback):
-    """Make errors not show the stracktrace to stdout.
+# Define parser
+parser = argparse.ArgumentParser(
+    description="Backup directories and Docker volumes."
+)
 
-    Todo:
-        * Replace this with proper error handling
-    """
-    sys.stderr.write("{}: {}\n".format(ext_type.__name__, value))
+parser.add_argument(
+    "-f",
+    "--file",
+    action="append",
+    dest="file",
+    required=True,
+    help="File containing spec definitions.",
+)
 
+parser.add_argument(
+    "-j",
+    "--json",
+    action="store_const",
+    const=True,
+    default=False,
+    help="Print out the parsed specs as JSON and exit",
+)
 
-# sys.excepthook = except_hook
+parser.add_argument(
+    "-r",
+    "--recover",
+    action="append",
+    nargs=2,
+    metavar=("SPEC", "BACKUP"),
+    dest="recovers",
+    help="Recover the given spec; requires two arguments",
+)
 
+parser.add_argument(
+    "spec", nargs="*", help="The specs to process. Defaults to all."
+)
 
-if __name__ == "__main__":
-    # Define parser
-    parser = argparse.ArgumentParser(
-        description="Backup directories and Docker volumes."
-    )
-    parser.add_argument(
-        "-f",
-        "--file",
-        action="append",
-        dest="file",
-        required=True,
-        help="File containing spec definitions.",
-    )
-    parser.add_argument(
-        "-j",
-        "--json",
-        action="store_const",
-        const=True,
-        default=False,
-        help="Print out the parsed specs as JSON and exit",
-    )
-    parser.add_argument(
-        "spec", nargs="*", help="The specs to process. Defaults to all."
-    )
+# Parse arguments
+args = parser.parse_args()
+specs = sum([read_specs_file(path) for path in args.file], [])
 
-    # Parse arguments
-    args = parser.parse_args()
-    specs = sum((read_specs_file(path) for path in args.file), [])
+# Filter specs if needed
+if args.spec:
+    specs = list(filter(lambda s: s.name in args.spec, specs))
 
-    # Filter specs if needed
-    if args.spec:
-        specs = list(filter(lambda s: s.name in args.spec, specs))
+# Dump parsed data as json
+if args.json:
+    import json
 
-    # Dump parsed data as json
-    if args.json:
-        import json
+    print(json.dumps([spec.to_dict() for spec in specs], indent=4))
 
-        # TODO replace this with error handling system
-        print(json.dumps([spec.to_dict() for spec in specs], indent=4))
-
-    elif not specs:
-        # TODO replace this with error handling system
+else:
+    # Run the backups
+    if not specs:
         print("No specs, exiting.")
         sys.exit(0)
 
-        for spec in specs:
-            spec.backup()
+    for spec in specs:
+        spec.backup()
diff --git a/app/exceptions.py b/app/exceptions.py
deleted file mode 100644
index b82bad8..0000000
--- a/app/exceptions.py
+++ /dev/null
@@ -1,55 +0,0 @@
-"""Common exceptions raised by the program."""
-from typing import Union, List
-
-
-class InvalidKeyError(Exception):
-    """Thrown when a config file contains an invalid key."""
-
-    def __init__(self, keys: Union[str, List[str]]):
-        """Create a new InvalidKeyError object with the given key.
-
-        Args:
-            keys: the invalid key(s)
-        """
-        if type(keys) == str:
-            keys = [keys]
-
-        self.message = "Invalid key(s): {}".format(", ".join(keys))
-
-        super().__init__()
-
-
-class MissingKeyError(Exception):
-    """Thrown when a required key is missing from a config."""
-
-    def __init__(self, keys: Union[str, List[str]]):
-        """Create a new MissingKeyError object with the given key.
-
-        Args:
-            keys: the invalid key(s)
-        """
-        if type(keys) == str:
-            keys = [keys]
-
-        self.message = "Missing key(s): {}".format(", ".join(keys))
-
-        super().__init__()
-
-
-class InvalidValueError(Exception):
-    """Thrown when a key contains an invalid value."""
-
-    def __init__(self, key: str, expected: str, actual: str):
-        """Create a new InvalidValueError given the arguments.
-
-        Args:
-            key: the key containing the invalid value
-            expected: name of the expected type
-            actual: name of the actual type
-        """
-        self.message = (
-            f"Invalid value for key {key}: expected {expected}, "
-            f"got {actual}"
-        )
-
-        super().__init__()
diff --git a/app/logger.py b/app/logger.py
deleted file mode 100644
index 245eeed..0000000
--- a/app/logger.py
+++ /dev/null
@@ -1,109 +0,0 @@
-"""This module contains the logging module."""
-from typing import Union
-from pathlib import Path
-from datetime import datetime
-import sys
-
-
-class Logger:
-    """A logger class that logs, ya get the point."""
-
-    LOG_LEVELS = [
-        "debug",
-        "info",
-        "warning",
-        "error",
-        "critical",
-    ]
-    """The log levels' names.
-
-    When used as arguments, the counting starts at 1
-    instead of 0.
-    """
-
-    def __init__(
-        self,
-        log_file: Union[Path, str] = None,
-        append: bool = True,
-        stdout: bool = True,
-        log_level: int = 3,
-    ):
-        """Initialize a new Logger object.
-
-        Args:
-            log_file: path to a log file. If any of the folders within the log
-                file's path don't exist, they will get created. If no value is
-                specified, no log file is created.
-            append: wether or not to append to the existing file or overwrite
-                it. If False, the original file gets deleted during init.
-            stdout: wether or not to log to stdout as well
-            log_level: the minimum level to log
-        """
-        self.log_file = Path(log_file) if log_file else None
-        self.stdout = stdout
-        self.log_level = log_level
-
-        # Remove the original log file
-        if not append:
-            self.log_file.unlink(missing_ok=True)
-
-    def custom(self, message: str, header: str = None):
-        """Log a message given a header and a message.
-
-        If a header is provided (aka truthy), the final form of the messsage
-        wil be:
-
-            `[YYYY-MM-DD HH:MM:SS][header] message`
-
-        Otherwise, it's just:
-
-            `[YYYY-MM-DD HH:MM:SS] message`
-
-        Args:
-            message: the message to display
-            header: the header to add to the message
-        """
-        timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
-        log_message = f"[{timestamp}] {message}\n"
-
-        if header:
-            log_message = f"[{timestamp}][{header}] {message}\n"
-
-        if self.log_file:
-            self.log_file.write_text(log_message)
-
-        if self.stdout:
-            sys.stdout.write(log_message)
-
-    def log(self, level: int, message: str):
-        """Log a message with a specific level.
-
-        Args:
-            level: log level (index in the LOG_LEVELS variable)
-            message: the message to log
-        """
-        if level < self.log_level:
-            return
-
-        level_name = self.LOG_LEVELS[level - 1].upper()
-        self.custom(level_name, message)
-
-    def debug(self, message: str):
-        """Log a debug message."""
-        self.log(1, message)
-
-    def info(self, message: str):
-        """Log an info message."""
-        self.log(2, message)
-
-    def warning(self, message: str):
-        """Log a warning message."""
-        self.log(3, message)
-
-    def error(self, message: str):
-        """Log an error message."""
-        self.log(4, message)
-
-    def critical(self, message: str):
-        """Log a critical message."""
-        self.log(5, message)
diff --git a/app/notifier.py b/app/notifier.py
index 903e791..1848775 100644
--- a/app/notifier.py
+++ b/app/notifier.py
@@ -1,12 +1,9 @@
-"""Module handling IFTTT notifications."""
 from typing import List
 import os
 import requests
 
 
 class Notifier:
-    """A notifier object that can send IFTTT notifications."""
-
     # (positive, negative)
     _EVENTS = {
         "backup": (
@@ -18,40 +15,24 @@ class Notifier:
             "Couldn't restore {name}.",
         ),
     }
-    """The message content for a given event."""
 
     # Placeholder
     def __init__(
         self, title: str, events: List[str], endpoint: str, api_key: str = None
     ):
-        """Initialize a new Notifier object.
-
-        Args:
-            title: the notification title to use
-            events: the event types that should trigger a notification (should
-                be one of the keys in _EVENTS).
-            endpoint: IFTTT endpoint name
-            api_key: your IFTTT API key. If not provided, it will be read from
-                the IFTTT_API_KEY environment variable.
-
-        Todo:
-            * Read the API key on init
-        """
         self.title = title
         self.events = events
         self.endpoint = endpoint
         self.api_key = api_key
 
     def notify(self, category: str, name: str, status_code: int):
-        """Send an IFTTT notification.
-
+        """
         Args:
-            category: type of notify (should be one of the keys in _EVENTS).
-                Only if the category was passed during initialization will the
-                notification be sent.
+            category: type of notify (e.g. backup or restore)
             name: name of the spec
             status_code: exit code of the command
         """
+
         event = "{}_{}".format(
             category, "success" if status_code == 0 else "failure"
         )
diff --git a/app/parser.py b/app/parser.py
index b02e5a0..bbac40c 100644
--- a/app/parser.py
+++ b/app/parser.py
@@ -1,4 +1,3 @@
-"""Handles parsing a config file from disk."""
 import yaml
 from pathlib import Path
 from typing import List, Union
@@ -7,18 +6,9 @@ import skeleton
 
 
 def read_specs_file(path: Union[str, Path]) -> List[Spec]:
-    """Read a config file and merge it with the skeleton.
-
-    Args:
-        path: path to the yaml config file
-
-    Returns:
-        A list of specs, parsed from the config.
-    """
     with open(path, "r") as yaml_file:
         data = yaml.safe_load(yaml_file)
 
-    # NOTE shouldn't this be defined as a top-level variable?
     categories = [
         ("directories", DirectorySpec),
         ("volumes", VolumeSpec),
@@ -33,7 +23,6 @@ def read_specs_file(path: Union[str, Path]) -> List[Spec]:
 
         # Check what defaults are present
         defaults = {}
-
         if data.get("defaults"):
             if data["defaults"].get("all"):
                 defaults = skeleton.merge(defaults, data["defaults"]["all"])
diff --git a/app/skeleton.py b/app/skeleton.py
index c12bd45..07c6afb 100644
--- a/app/skeleton.py
+++ b/app/skeleton.py
@@ -1,25 +1,21 @@
-"""Handles merging with the skeleton config."""
 from typing import Dict
-from .exceptions import InvalidKeyError, MissingKeyError
+
+
+class InvalidKeyError(Exception):
+    def __init__(self, key):
+        self.message = "Invalid key: {}".format(key)
+
+        super().__init__(key)
+
+
+class MissingKeyError(Exception):
+    def __init__(self, key):
+        self.message = "Missing key: {}".format(key)
+
+        super().__init__(key)
 
 
 def merge(*dicts: [Dict]) -> Dict:
-    """Merge multiple dicts into one.
-
-    It reads the dicts from left to right, always preferring the "right"
-    dictionary's values. Therefore, the dictionaries should be sorted from
-    least important to most important (e.g. a default values skeleton should be
-    to the left of a dict of selected values).
-
-    Args:
-        dicts: the dictionaries to merge
-
-    Returns:
-        a new dictionary representing the merged dictionaries
-
-    Todo:
-        * Make sure an infinite loop is not possible
-    """
     # Base cases
     if len(dicts) == 0:
         return {}
@@ -48,28 +44,15 @@ def merge(*dicts: [Dict]) -> Dict:
 
 
 def merge_with_skeleton(data: Dict, skel: Dict) -> Dict:
-    """Merge a dictionary with a skeleton containing default values.
-
-    The skeleton not only defines what the default values are, but also
-    enforces a certain shape. This allows us to define a config file using a
-    dictionary and parse it.
-
-    Args:
-        data: dictionary containing the selected config values
-        skel: dictionary containing the skeleton (aka the def)
-
-    Returns:
-        a new dictionary representing the two merged dictionaries
-
-    Todo:
-        * Check if an infinite loop is possible
-        * Split info less complex functions
     """
-    # First, check for illegal keys
-    invalid_keys = list(filter(lambda k: k not in skel, data))
+    Compare a dict with a given skeleton dict, and fill in default values where
+    needed.
+    """
 
-    if invalid_keys:
-        raise InvalidKeyError(invalid_keys)
+    # First, check for illegal keys
+    for key in data:
+        if key not in skel:
+            raise InvalidKeyError(key)
 
     # Then, check the default values
     for key, value in skel.items():
@@ -83,7 +66,6 @@ def merge_with_skeleton(data: Dict, skel: Dict) -> Dict:
 
         # Error if value is not same type as default value
         elif type(data[key]) != type(value) and value is not None:
-            # TODO make this error message more verbose
             raise TypeError("Invalid value type")
 
         # Recurse into dicts
diff --git a/app/specs/__init__.py b/app/specs/__init__.py
index dd08c1c..0192b9e 100644
--- a/app/specs/__init__.py
+++ b/app/specs/__init__.py
@@ -1,7 +1,4 @@
-"""Parent module for the various spec types."""
 from .spec import Spec
 from .directory import DirectorySpec
 from .volume import VolumeSpec
 from .container import ContainerSpec
-
-__all__ = ["Spec", "DirectorySpec", "VolumeSpec", "ContainerSpec"]
diff --git a/app/specs/container.py b/app/specs/container.py
index 79d4d3a..bef6f8c 100644
--- a/app/specs/container.py
+++ b/app/specs/container.py
@@ -1,4 +1,3 @@
-"""Module defining a container-based spec."""
 from .spec import Spec
 from typing import Union
 from pathlib import Path
@@ -7,10 +6,11 @@ import subprocess
 
 
 class ContainerSpec(Spec):
-    """Spec for backing up via a container."""
+    """
+    A spec for backing up via a container.
+    """
 
     _SKEL = {"container": None, "command": None, "mountpoint": "/from"}
-    """The skeleton for the ContainerSpec config."""
 
     def __init__(
         self,
@@ -23,21 +23,6 @@ class ContainerSpec(Spec):
         mountpoint: str,
         notify=None,
     ):
-        """Create a new ContainerSpec object.
-
-        Args:
-            name: name of the spec (used as an identifier)
-            container: the Docker container to back up
-            destination: where to store the backups (gets created if
-                non-existent)
-            limit: max amount of backups to keep
-            command: command to run inside the container. This command should
-                perform a specified backup and output this data to stdout. This
-                output then gets piped to a backup file.
-            extension: the extension of the backup files.
-            mountpoint: I don't actually know, this never gets used
-            notify: notifier object (may be None)
-        """
         super().__init__(name, destination, limit, extension, notify)
 
         self.container = container
@@ -45,7 +30,6 @@ class ContainerSpec(Spec):
         self.command = command
 
     def backup(self):
-        """Create a new backup."""
         # Remove excess backups
         self.remove_backups()
 
diff --git a/app/specs/directory.py b/app/specs/directory.py
index b8fbc32..9747b5b 100644
--- a/app/specs/directory.py
+++ b/app/specs/directory.py
@@ -1,4 +1,3 @@
-"""Module defining a directory-based spec."""
 from .spec import Spec
 from pathlib import Path
 from typing import Union
@@ -7,7 +6,9 @@ from datetime import datetime
 
 
 class DirectorySpec(Spec):
-    """A spec for backing up a local directory."""
+    """
+    A spec for backing up a local directory.
+    """
 
     _SKEL = {
         "source": None,
@@ -24,17 +25,6 @@ class DirectorySpec(Spec):
         extension: str,
         notify=None,
     ):
-        """Initialize a new DirectorySpec object.
-
-        Args:
-            name: name of the spec
-            source: what directory to back up
-            destination: where to store the backup
-            limit: how many backups to keep
-            command: what command to use to create the backup
-            extension: extension of the backup files
-            notify: a Notifier object that handles sending notifications
-        """
         super().__init__(name, destination, limit, extension, notify)
 
         self.source = source if type(source) == Path else Path(source)
@@ -48,7 +38,6 @@ class DirectorySpec(Spec):
         self.command = command
 
     def backup(self):
-        """Create a new backup."""
         # Remove excess backups
         self.remove_backups()
 
diff --git a/app/specs/spec.py b/app/specs/spec.py
index f26f54b..9b372ef 100644
--- a/app/specs/spec.py
+++ b/app/specs/spec.py
@@ -1,4 +1,4 @@
-"""This module contains the base Spec class."""
+from pathlib import Path
 from typing import Union, Dict
 import skeleton
 import os
@@ -7,7 +7,9 @@ import inspect
 
 
 class Spec:
-    """Base class for all other spec types."""
+    """
+    Base class for all other spec types.
+    """
 
     _SKEL = {
         "destination": None,
@@ -29,26 +31,23 @@ class Spec:
         extension: str,
         notify=None,
     ):
-        """Initialize a new Spec object.
-
-        This initializer usually gets called by a subclass's init instead of
-        directly.
-
+        """
         Args:
             name: name of the spec
             destination: directory where the backups shall reside
             limit: max amount of backups
-            extension: file extension of the backup files
-            notify: notifier object to send IFTT notifications
+            notifier: notifier object
         """
+
         self.name = name
-        self.destination = Path(destination)
+        self.destination = (
+            destination if type(destination) == Path else Path(destination)
+        )
 
         # Create destination if non-existent
         try:
             self.destination.mkdir(parents=True, exist_ok=True)
 
-        # TODO just make this some checks in advance
         except FileExistsError:
             raise NotADirectoryError(
                 "{} already exists, but isn't a directory.".format(
@@ -61,24 +60,16 @@ class Spec:
         self.extension = extension
 
     @classmethod
-    def skeleton(cls: "Spec") -> Dict:
-        """Return the skeleton for the given class.
-
-        It works by inspecting the inheritance tree and merging the skeleton
-        for each of the parents.
-
-        Args:
-            cls: the class to get the skeleton for
-
-        Returns:
-            a dictionary containing the skeleton
-        """
+    def skeleton(cls):
         return skeleton.merge(
             *[val._SKEL for val in reversed(inspect.getmro(cls)[:-1])]
         )
 
     def remove_backups(self):
-        """Remove all backups exceeding the limit."""
+        """
+        Remove all backups exceeding the limit
+        """
+
         files = sorted(
             self.destination.glob("*." + self.extension),
             key=os.path.getmtime,
@@ -90,22 +81,13 @@ class Spec:
                 path.unlink()
 
     def backup(self):
-        """Create a new backup.
-
-        This function should be implemented by the subclasses.
-        """
         raise NotImplementedError()
 
     def restore(self):
-        """Restore a given backup (NOT IMPLEMENTED).
-
-        This function should be implemented by the subclasses.
-        """
         raise NotImplementedError()
 
     @classmethod
     def from_dict(cls, name, obj: Dict, defaults: Dict) -> "Spec":
-        """Create the class given a dictionary (e.g. from a config)."""
         # Combine defaults with skeleton, creating new skeleton
         skel = skeleton.merge(cls.skeleton(), defaults)
 
@@ -115,8 +97,4 @@ class Spec:
         return cls(name, **obj)
 
     def to_dict(self):
-        """Export the class as a dictionary.
-
-        This function should be imnplemented by the subclasses.
-        """
         raise NotImplementedError()
diff --git a/app/specs/volume.py b/app/specs/volume.py
index 403c51b..cd9d937 100644
--- a/app/specs/volume.py
+++ b/app/specs/volume.py
@@ -1,4 +1,3 @@
-"""Module defining a Docker volume-based spec."""
 from .spec import Spec
 from typing import Union
 from pathlib import Path
@@ -7,7 +6,9 @@ import subprocess
 
 
 class VolumeSpec(Spec):
-    """A spec for backing up a Docker volume."""
+    """
+    A spec for backing up a Docker volume.
+    """
 
     _SKEL = {
         "volume": None,
@@ -26,18 +27,6 @@ class VolumeSpec(Spec):
         extension: str,
         notify=None,
     ):
-        """Initialize a new VolumeSpec object.
-
-        Args:
-            name: name of the spec
-            volume: Docker volume to back up
-            image: base image to use to run backup command
-            destination: where to store the backup files
-            limit: max backup files to keep
-            command: backup command to run within the base image
-            extension: file extension of the backup files
-            notify: Notifier object
-        """
         super().__init__(name, destination, limit, extension, notify)
 
         self.volume = volume
@@ -45,7 +34,6 @@ class VolumeSpec(Spec):
         self.command = command
 
     def backup(self):
-        """Create a new backup."""
         # Remove excess backups
         self.remove_backups()
 
@@ -54,10 +42,8 @@ class VolumeSpec(Spec):
             datetime.now().strftime("%Y-%m-%d_%H-%M-%S"), self.extension
         )
 
-        base_cmd = "docker run --rm -v '{}:/from' -v '{}:/to' -w /from '{}' {}"
-
         process = subprocess.run(
-            base_cmd.format(
+            "docker run --rm -v '{}:/from' -v '{}:/to' -w /from '{}' {}".format(
                 self.volume,
                 self.destination,
                 self.image,
diff --git a/renovate.json b/renovate.json
deleted file mode 100644
index 9775346..0000000
--- a/renovate.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-    "$schema": "https://docs.renovatebot.com/renovate-schema.json"
-}
diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 0000000..3eed54f
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,10 @@
+# Language server
+jedi==0.18.0
+
+# Linting & Formatting
+black==20.8b1
+flake8==3.8.4
+
+# Testing
+tox==3.21.1
+pytest==6.2.1
diff --git a/tests/__init__.py b/requirements.txt
similarity index 100%
rename from tests/__init__.py
rename to requirements.txt
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 568b586..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,25 +0,0 @@
-[options.extras_require]
-# Used to run the tests inside the CICD pipeline
-ci =
-    tox==3.23.1
-
-# Used inside Tox for running tests
-test =
-    pytest==6.2.4
-    pytest-cov==2.12.1
-
-# Used inside tox for linting
-lint =
-    black==20.8b1
-    flake8==3.9.2
-    flake8-bugbear==21.4.3
-    flake8-comprehensions==3.5.0
-    flake8-docstrings==1.6.0
-    flake8-print==4.0.0
-    flake8-quotes==3.2.0
-
-# Required for the developer
-develop =
-    %(ci)s
-    %(lint)s
-    jedi==0.18.0
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 0b00eae..0000000
--- a/setup.py
+++ /dev/null
@@ -1,10 +0,0 @@
-from setuptools import setup
-
-setup(
-    name="backup-tool",
-    version="0.1.0",
-    author="Jef Roosens",
-    description="A utility to simply backing up services.",
-    # TODO add license
-    packages=["app", "tests"],
-)
diff --git a/tests/test_dict_merge.py b/tests/test_dict_merge.py
deleted file mode 100644
index 2da81bf..0000000
--- a/tests/test_dict_merge.py
+++ /dev/null
@@ -1,69 +0,0 @@
-"""Tests for the skeleton module."""
-from app.skeleton import merge
-
-
-def test_merge_empty():
-    """Test correct response for an empty merge."""
-    assert merge() == {}
-
-
-def test_merge_single():
-    """Test merge command with a single input."""
-    assert merge({}) == {}
-
-    dic = {"test": "value", "test2": "value2"}
-
-    assert merge(dic) == dic
-
-
-def test_merge_double_no_overlap():
-    """Test merge command with two non-overlapping inputs."""
-    d1 = {"test": "value", "test2": "value2"}
-    d2 = {"test3": "value3"}
-    d_res = {"test": "value", "test2": "value2", "test3": "value3"}
-
-    assert merge(d1, d2) == d_res
-
-
-def test_merge_double_overlap():
-    """Test merge command with two overlapping inputs."""
-    d1 = {"test": "value", "test2": "value2"}
-    d2 = {"test2": "value3"}
-    d_res = {"test": "value", "test2": "value3"}
-
-    assert merge(d1, d2) == d_res
-
-
-def test_merge_triple_no_overlap():
-    """Test merge command with three non-overlapping inputs.
-
-    This test tells us that the recursion works.
-    """
-    d1 = {"test": "value", "test2": "value2"}
-    d2 = {"test3": "value3"}
-    d3 = {"test4": "value4"}
-    d_res = {
-        "test": "value",
-        "test2": "value2",
-        "test3": "value3",
-        "test4": "value4",
-    }
-
-    assert merge(d1, d2, d3) == d_res
-
-
-def test_merge_triple_overlap():
-    """Test merge command with three overlapping inputs.
-
-    This test tells us that the recursion works.
-    """
-    d1 = {"test": "value", "test2": "value2"}
-    d2 = {"test3": "value3"}
-    d3 = {"test2": "value4"}
-    d_res = {
-        "test": "value",
-        "test2": "value4",
-        "test3": "value3",
-    }
-
-    assert merge(d1, d2, d3) == d_res
diff --git a/tests/test_logger.py b/tests/test_logger.py
deleted file mode 100644
index ff2debd..0000000
--- a/tests/test_logger.py
+++ /dev/null
@@ -1,23 +0,0 @@
-"""Tests for the logger module."""
-from app.logger import Logger
-from datetime import datetime
-
-
-def test_custom_stdout(capfd):
-    """Test the custom command."""
-    logger = Logger()
-
-    timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
-    logger.custom("a message", header="cewl")
-
-    out, _ = capfd.readouterr()
-
-    assert out == f"[{timestamp}][cewl] a message\n"
-
-
-def test_log_stdout(capfd):
-    """Test the log command with several levels."""
-
-    logger = Logger()
-
-    # TODO
diff --git a/tests/test_skeleton.py b/tests/test_skeleton.py
deleted file mode 100644
index 9ade87e..0000000
--- a/tests/test_skeleton.py
+++ /dev/null
@@ -1,70 +0,0 @@
-"""Tests wether the skeleton merge works."""
-from app.skeleton import merge_with_skeleton
-from app.exceptions import InvalidKeyError, MissingKeyError
-import pytest
-
-
-def test_single_invalid_key():
-    """Tests wether an InvalidKeyError is correctly thrown for a single key."""
-    data = {
-        "test": 1,
-        "test2": "test"
-    }
-    skel = {
-        "test": None,
-    }
-
-    with pytest.raises(InvalidKeyError) as e_info:
-        merge_with_skeleton(data, skel)
-
-    assert e_info.value.message == "Invalid key(s): test2"
-
-
-def test_multiple_invalid_keys():
-    """Tests wether an InvalidKeyError is thrown for multiple keys."""
-    data = {
-        "test": 1,
-        "test2": "test",
-        "test3": "test",
-    }
-    skel = {
-        "test": None,
-    }
-
-    with pytest.raises(InvalidKeyError) as e_info:
-        merge_with_skeleton(data, skel)
-
-    assert e_info.value.message == "Invalid key(s): test2, test3"
-
-
-def test_single_missing_key():
-    """Tests wether a MissingKeyError is correctly thrown for a single key."""
-    data = {
-        "test": 1,
-    }
-    skel = {
-        "test": None,
-        "test2": None,
-    }
-
-    with pytest.raises(MissingKeyError) as e_info:
-        merge_with_skeleton(data, skel)
-
-    assert e_info.value.message == "Missing key(s): test2"
-
-
-def test_multiple_missing_keys():
-    """Tests wether a MissingKeyError is correctly thrown for multiple keys."""
-    data = {
-        "test": 1,
-    }
-    skel = {
-        "test": None,
-        "test2": None,
-        "test3": None,
-    }
-
-    with pytest.raises(MissingKeyError) as e_info:
-        merge_with_skeleton(data, skel)
-
-    assert e_info.value.message == "Missing key(s): test2, test3"
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index 847ba45..0000000
--- a/tox.ini
+++ /dev/null
@@ -1,15 +0,0 @@
-[tox]
-envlist = py36,py37,pypy37,py38,py39,lint
-
-[testenv]
-deps = .[test]
-commands =
-    pytest
-    pytest --cov=app --cov-fail-under=90 tests/
-
-[testenv:lint]
-basepython = python3.6
-deps = .[lint]
-commands =
-    black --check setup.py app
-    flake8 setup.py app