diff --git a/Dockerfile b/Dockerfile
index 1ec0b60..abf4900 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,16 +9,15 @@ RUN echo "LANG=en_US.UTF-8" > /etc/locale.conf
 # fix (tzdata)
 ARG DEBIAN_FRONTEND=noninteractive
 
+RUN apt-get update && apt-get install -y software-properties-common gcc && \
+    add-apt-repository -y ppa:deadsnakes/ppa
+
+RUN apt-get update && apt-get install -y python3.7 python3-distutils python3-pip python3-apt
+
 
-RUN apt-get -y update && \
-    apt-get -y upgrade && \
-    apt-get install -y python3-pip python3-dev
 
 RUN apt-get install -y locales git vim nano
 
-RUN apt-get install -y zsh && apt-get install -y curl
-RUN PATH="$PATH:/usr/bin/zsh"
-RUN sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
 
 
 
@@ -38,6 +37,5 @@ ENV NOTVISIBLE "in users profile"
 RUN echo "export VISIBLE=now" >> /etc/profile
 EXPOSE 22
 
-RUN usermod -s /bin/zsh root
 
-ENTRYPOINT ["/bin/zsh"]
+ENTRYPOINT ["/bin/bash"]