Update Dockerfile

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:latest
+FROM python:3.9-slim-buster
 
 # Updating Packages
 RUN apt update && apt upgrade -y
@@ -11,9 +11,14 @@ COPY requirements.txt /requirements.txt
 RUN cd /
 RUN pip3 install --upgrade pip
 RUN pip3 install -U -r requirements.txt
+
+# Setting up working directory
 RUN mkdir /MusicPlayer
 WORKDIR /MusicPlayer
+
+# Preparing for the Startup
 COPY startup.sh /startup.sh
+RUN chmod +x /startup.sh
 
 # Running Music Player Bot
 CMD ["/bin/bash", "/startup.sh"]