Image build is optimized.

flask_ml_api/requirements.txt

-torch
 Flask
 matplotlib
 scikit-learn
-transformers
 pandas
-sentence_transformers
+onnx==1.12.0
+onnxruntime==1.14.0
+protobuf>=3.12.2,<=3.20.1
+transformers
+sentence-transformers
+numpy<2.0
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