Issue#4099 Docker image optimized (#4100)

* non root user added in docerfile

* Image Optimized

Author: Mayank77maruti

dockerfile

@@ -1,5 +1,5 @@
 # First stage: Build stage
-FROM python:latest AS build
+FROM python:3.9-slim AS build
 
 WORKDIR /app
 
@@ -8,7 +8,7 @@ RUN useradd -m appuser
 COPY . .
 
 # Second stage: Final stage
-FROM python:latest
+FROM python:3.9-slim
 
 RUN useradd -m appuser