use bash iamge

Dockerfile

@@ -1,9 +1,8 @@
-FROM alpine:latest
-RUN apk add --no-cache bash
+FROM bash:latest
 RUN apk add --no-cache git
 RUN apk add --no-cache vim
 RUN apk add --no-cache fzf
 ADD ./ /root/dotbare
 RUN echo "PATH=$PATH:$HOME/dotbare" >> "$HOME"/.bashrc
 WORKDIR /root
-ENTRYPOINT ["/bin/bash"]
+ENTRYPOINT ["bash"]