diff --git a/Taskfile.yml b/Taskfile.yml
index 2b5f0b6..fe982d0 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -2,7 +2,6 @@ version: "3"
 
 vars:
   RUN_DEBUGPY: '/tmp/debugpy --listen 0.0.0.0:5673 --wait-for-client'
-  SH_ENTRYPOINT: '/bin/sh'
 
 tasks:
   # ------------------------------------------------------------------------------------------------
@@ -30,14 +29,15 @@ tasks:
     desc: ups main app (USE_DEBUGPY=true for debug)
     env:
       BASE_COMMAND: '{{if eq .USE_DEBUGPY "true"}}{{.RUN_DEBUGPY}} -m app.main{{else}}{{end}}'
+      BASE_ARGS: '{{.CLI_ARGS}}'
     cmd: docker-compose -f docker-compose.yml up
 
   up-test:
     desc: ups coverage and unit-testing (USE_DEBUGPY=true for unit-testing only)
     env:
-      BASE_ENTRYPOINT: '{{.SH_ENTRYPOINT}}'
+      BASE_ENTRYPOINT: '/bin/sh'
       BASE_COMMAND: '{{if eq .USE_DEBUGPY "true"}}-c "python {{.RUN_DEBUGPY}} -m pytest"{{else}}-c "coverage run -m pytest && coverage report && coverage html"{{end}}'
-    cmd: docker-compose -f docker-compose.yml -f docker-compose.test.yml up
+    cmd: docker-compose -f docker-compose.yml up
 
   # ------------------------------------------------------------------------------------------------
   # -Pre-Commit-------------------------------------------------------------------------------------
diff --git a/app/data.py b/app/data.py
index 0fd3a99..2306f9e 100644
--- a/app/data.py
+++ b/app/data.py
@@ -13,11 +13,15 @@ class Data:
         array (list): An array of integers.
     """
 
-    def __init__(self):
+    def __init__(self, integer_array=None):
         """
-        Initializes the Data object with a predefined array of integers.
+        Initializes the Data object with a predefined array of integers
+        or an empty array if none is provided.
         """
-        self.__integer_array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+        if integer_array is None:
+            self.__integer_array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+        else:
+            self.__integer_array = integer_array
 
     def print_array(self):
         """
diff --git a/app/input/integers.txt b/app/input/integers.txt
new file mode 100644
index 0000000..db5114f
--- /dev/null
+++ b/app/input/integers.txt
@@ -0,0 +1 @@
+1 2 3 4 5 6 7 8 9 10
diff --git a/app/main.py b/app/main.py
index 28ed10e..d8d802d 100644
--- a/app/main.py
+++ b/app/main.py
@@ -3,19 +3,38 @@
 and uses it to print an array of integers to the console.
 """
 
+import argparse
+
 from app.data import Data
 
 
-def main():
+def read_file(file_path):
+    """
+    Reads a file and returns an array of integers.
+    """
+    with open(file_path, "r", encoding="utf-8") as file:
+        return [int(x) for x in file.read().split()]
+
+
+def main(file_path):
     """
     Main function for creating a Data instance and printing the array.
 
     This function demonstrates the basic usage of the Data class by creating an instance,
-    initializing it with a predefined array of integers, and then printing this array.
+    initializing it with the contents of a file, and then printing this array.
     """
-    data = Data()
+    integer_array = read_file(file_path)
+    data = Data(integer_array)
     data.print_array()
 
 
 if __name__ == "__main__":
-    main()
+    parser = argparse.ArgumentParser(description="Process a file containing integers.")
+    parser.add_argument(
+        "--file_path",
+        default="app/input/integers.txt",
+        type=str,
+        help="Path to the file containing integers",
+    )
+    args = parser.parse_args()
+    main(args.file_path)
diff --git a/docker-compose.yml b/docker-compose.yml
index 7da9d4d..b2c527e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -12,4 +12,4 @@ services:
     volumes:
       - ./app:/pythonExercise1/app
       - ./tests:/pythonExercise1/tests
-    command: ${BASE_COMMAND}
+    command: ${BASE_COMMAND} ${BASE_ARGS}