Add zshrc to user

Dockerfile

@@ -22,7 +22,9 @@ RUN ln -snf /usr/share/zoneinfo/US/Pacific /etc/localtime && \
  echo "set editing-mode vi" | tee -a /etc/inputrc && \
  echo "set keymap vi" | tee -a /etc/inputrc && \
  useradd -u 5000 -m ubuntu && \
- echo "ubuntu ALL=(ALL) NOPASSWD: ALL" | tee /etc/sudoers.d/ubuntu-root
+ echo "ubuntu ALL=(ALL) NOPASSWD: ALL" | tee /etc/sudoers.d/ubuntu-root && \
+ echo "set -o vi" | tee /home/ubuntu/.zshrc &&
+ chown -R ubuntu:ubuntu /home/ubuntu
 
 COPY tools/check-clock-skew.sh /usr/local/bin/check-clock-skew.sh
 COPY --from=http-server /app/go-httpserver /usr/local/bin/go-httpserver