FROM tsl0922/ttyd:alpine # Install ping and ssh client RUN apk update && apk add --no-cache \ iputils \ openssh-client \ curl \ bind-tools \ bash-completion \ coreutils RUN rm -rf /var/cache/apk/* RUN addgroup -g 1000 ttyd && \ adduser -D -u 1000 -G ttyd tty USER 1000:1000 # Set default command to start ttyd with bash CMD ["ttyd", "/bin/bash"]