testing docker fix

Dockerfile

@@ -2,6 +2,8 @@ FROM python:3.9-slim
 
 # Install system dependencies for OpenCV and TFOD Protobuf
 RUN apt-get update && apt-get install -y \
+    build-essential \
+    python3-dev \
     libgl1 \
     libglx-mesa0 \
     libglib2.0-0 \

requirements.txt

@@ -12,7 +12,7 @@ lvis==0.5.3
 gin-config==0.5.0
 tf-slim==1.1.0
 pyyaml==6.0.2
-matplotlib==3.2.0
+matplotlib>=3.7.0
 lxml==5.3.0
 fastapi
 uvicorn