diff --git a/Dockerfile b/Dockerfile
index 53f9b8c..d85d5bc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,6 +30,8 @@ COPY ./README.md /app/
 # if you plan to use a GPU, you should install the 'tensorflow-gpu' package
 # RUN pip install --trusted-host pypi.org --trusted-host pypi.python.org --trusted-host=files.pythonhosted.org tensorflow-gpu
 
+# if you plan to use face anti-spoofing, then activate this line
+# RUN pip install --trusted-host pypi.org --trusted-host pypi.python.org --trusted-host=files.pythonhosted.org torch==2.1.2
 # -----------------------------------
 # install deepface from pypi release (might be out-of-date)
 # RUN pip install --trusted-host pypi.org --trusted-host pypi.python.org --trusted-host=files.pythonhosted.org deepface
diff --git a/deepface/api/src/modules/core/service.py b/deepface/api/src/modules/core/service.py
index ec3b6b1..4188229 100644
--- a/deepface/api/src/modules/core/service.py
+++ b/deepface/api/src/modules/core/service.py
@@ -1,3 +1,7 @@
+# built-in dependencies
+import traceback
+
+# project dependencies
 from deepface import DeepFace
 
 # pylint: disable=broad-except
@@ -24,7 +28,8 @@ def represent(
         result["results"] = embedding_objs
         return result
     except Exception as err:
-        return {"error": f"Exception while representing: {str(err)}"}, 400
+        tb_str = traceback.format_exc()
+        return {"error": f"Exception while representing: {str(err)} - {tb_str}"}, 400
 
 
 def verify(
@@ -50,7 +55,8 @@ def verify(
         )
         return obj
     except Exception as err:
-        return {"error": f"Exception while verifying: {str(err)}"}, 400
+        tb_str = traceback.format_exc()
+        return {"error": f"Exception while verifying: {str(err)} - {tb_str}"}, 400
 
 
 def analyze(
@@ -75,4 +81,5 @@ def analyze(
         result["results"] = demographies
         return result
     except Exception as err:
-        return {"error": f"Exception while analyzing: {str(err)}"}, 400
+        tb_str = traceback.format_exc()
+        return {"error": f"Exception while analyzing: {str(err)} - {tb_str}"}, 400