FROM ubuntu:20.04

# Install requirements
RUN apt update
RUN apt install -y software-properties-common
RUN apt-add-repository ppa:zanchey/asciinema
RUN apt update
RUN apt install -y curl expect asciinema sudo
RUN curl -LO https://go.dev/dl/go1.19.5.linux-amd64.tar.gz && rm -rf /usr/local/go && tar -C /usr/local -xzf go1.19.5.linux-amd64.tar.gz
RUN echo 'export PATH="${PATH}:/usr/local/go/bin:/root/go/bin"' >> /root/.bashrc
ENV PATH="${PATH}:/usr/local/go/bin:/root/go/bin"

# Install cosign & rekor (speedup in recording)
RUN go install github.com/sigstore/cosign/cmd/cosign@latest
RUN go install github.com/sigstore/rekor/cmd/rekor-cli@latest

# Enable RGB colors in PS1
ENV TERM=xterm-256color
# Set width of terminal, default is ~80 and leads to broken lines for long lines,
# e.g., curl & cosign commands.
ENV COLUMNS=512
# For PS1 to work shell needs to specified
ENV SHELL=/bin/bash
# ANSI color codes are used to control PS1 prompt. We use "\033[38;2;<r>;<g>;<b>m"
# to control the foreground color with RBG colors [1]. Non-printable characters
# need to  be escaped with additional \[ and \], see [2].
# [1]: https://stackoverflow.com/a/33206814/2306355
# [2]: https://stackoverflow.com/a/19501528/2306355
RUN echo 'export PS1="\[\033[38;2;144;255;153m\]~/constellation\[\033[0m\]\r\n\[\033[38;2;139;4;221m\]$\[\033[0m\] "' >> /root/.bashrc

# Copy install scripts
COPY ./*.expect /root/

WORKDIR /root
ENTRYPOINT ["/usr/bin/expect", "-f"]
CMD ["verify-cli.expect"]