refactor Dockerfile

Dockerfile

@@ -3,7 +3,7 @@ FROM python:3.8
 #CREATE A USER
 RUN useradd -m -u 1000 user
 
-RUN apt-get update && apt-get install -y libgl1 ffmpeg
+RUN apt-get update && apt-get install -y libgl1 ffmpeg redis
 
 USER user
 
@@ -15,10 +15,12 @@ RUN pip install --no-cache-dir --upgrade pip
 #COPY SOURCE CODE
 WORKDIR ${HOME}/app
 
-COPY --chown=user . .
+COPY --chown=user ./app/requirements.txt ./app/requirements.txt
 
 RUN pip install -r ./app/requirements.txt
 
+COPY --chown=user . .
+
 EXPOSE 3000
 
 CMD [ "uvicorn", "app.main:app", "--host" ,"0.0.0.0" ,"--port", "3000"]