Update Dockerfile

Dockerfile

@@ -1,6 +1,5 @@
 FROM python:3.9-slim
 
-
 RUN useradd -m -u 1000 user
 USER user
 ENV HOME=/home/user \
@@ -8,20 +7,15 @@ ENV HOME=/home/user \
 WORKDIR $HOME/app
 
 COPY --chown=user . $HOME/app
-COPY ./requirements.txt ~/app/requirements.txt
+COPY ./requirements.txt $HOME/app/requirements.txt
 
 USER root
-RUN rm /var/lib/apt/lists/* -vf
-RUN apt-get clean
-RUN apt-get update
-RUN apt-get upgrade
-RUN sudo apt-get install espeak
-USER user
-COPY . .
-USER root
-RUN chmod 777 ~/app/*
-USER user
+RUN apt-get update && \
+    apt-get install -y wget zip unzip espeak && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
 
-RUN pip3 install -r requirements.txt
+USER user
+RUN pip install --no-cache-dir -r requirements.txt
 
-CMD ["python", "app.py"]
+CMD ["python", "app.py"]