diff --git a/src/app.py b/src/app.py
index cc5290a..e3f0107 100644
--- a/src/app.py
+++ b/src/app.py
@@ -1,38 +1,42 @@
 import argparse
 
-from constants import EOLAS_DIRECTORY
-from controllers.controller import Controller
 from services.database_service import DatabaseService
 from services.parse_file_service import ParseFileService
 from services.table_service import TableService
 
-database_service = DatabaseService("eolas")
-database_connection = database_service.connect()
-table_service = TableService(database_connection)
-parse_file_service = ParseFileService(EOLAS_DIRECTORY)
-
-controller = Controller(database_service, table_service, parse_file_service)
-
 
 def main():
     parser = argparse.ArgumentParser(
-        prog="eolas-db", description="Eolas database manager."
+        prog="eolas-db", description="Eolas database generator."
     )
+
     parser.add_argument(
-        "command",
-        choices=["populate-database"],
-        help="Command to execute",
+        "--source",
+        type=str,
+        required=True,
+        help="Source directory for markdown files",
     )
+
+    parser.add_argument(
+        "--target",
+        type=str,
+        required=True,
+        help="Output path for SQLite database file",
+    )
+
     args = parser.parse_args()
 
-    if args.command == "populate-database":
-        controller.execute("populate")
+    SOURCE_DIRECTORY = args.source
+    TARGET_DIRECTORY = args.target
 
-    if args.command == "generate-graph":
-        controller.execute("graph")
+    database_service = DatabaseService("eolas", TARGET_DIRECTORY)
+    database_connection = database_service.connect()
+    table_service = TableService(database_connection)
+    parse_file_service = ParseFileService(SOURCE_DIRECTORY)
 
-    if args.command == "export-tags":
-        controller.execute("tags")
+    entries = parse_file_service.parse_source_directory()
+    table_service.populate_tables(entries)
+    database_service.disconnect()
 
 
 if __name__ == "__main__":
diff --git a/src/constants.py b/src/constants.py
deleted file mode 100644
index 15362b5..0000000
--- a/src/constants.py
+++ /dev/null
@@ -1,2 +0,0 @@
-EOLAS_DIRECTORY = "/home/thomas/repos/eolas/zk"
-GRAPH_OUTPUT_DIRECTORY = "/home/thomas/repos/eolas-db/out"
diff --git a/src/controllers/controller.py b/src/controllers/controller.py
deleted file mode 100644
index 26c9c32..0000000
--- a/src/controllers/controller.py
+++ /dev/null
@@ -1,25 +0,0 @@
-class Controller:
-    def __init__(
-        self,
-        database_service,
-        table_service,
-        parse_file_service,
-    ):
-        self.database_service = database_service
-        self.table_service = table_service
-        self.parse_file_service = parse_file_service
-
-    def execute(self, operation):
-        try:
-            match operation:
-                case "populate":
-                    return self.__populate_database()
-        except Exception as e:
-            raise Exception(f"ERROR {e}")
-        finally:
-            self.database_service.disconnect()
-
-    def __populate_database(self):
-        entries = self.parse_file_service.parse_source_directory()
-        self.table_service.populate_tables(entries)
-        self.database_service.disconnect()
diff --git a/src/services/database_service.py b/src/services/database_service.py
index 42966d9..bf1c10a 100644
--- a/src/services/database_service.py
+++ b/src/services/database_service.py
@@ -4,9 +4,9 @@ from typing import Optional
 
 
 class DatabaseService:
-    def __init__(self, db_name):
+    def __init__(self, db_name, db_path):
         self.db_name = db_name
-        self.db_path = "/home/thomas/repos/eolas-db/db"
+        self.db_path = db_path
         self.connection: Optional[sqlite3.Connection] = None
 
     def connect(self) -> Optional[sqlite3.Connection]: