Update Dockerfile

Dockerfile

@@ -12,7 +12,7 @@ ADD launch.sh .
 RUN git config --list
 RUN  chmod 777 launch.sh
 
-RUN echo -e "[user]\n    name = git-bach\n    email = [email protected]\n[core]\n    editor = editor\n    pager = most\n[color]\n    ui = auto\n[merge]\n    conflictstyle = diff3" > ~/.gitconfig
+RUN echo -e "[init]\n    defaultBranch = main\n[user]\n    name = git-bach\n    email = [email protected]\n[core]\n    editor = editor\n    pager = most\n[color]\n    ui = auto\n[merge]\n    conflictstyle = diff3" > ~/.gitconfig
 
 EXPOSE 3000
 CMD ["/bin/sh", "-c"]