FROM debian:11-slim
LABEL maintainer="Georgios Sokianos <walkero@gmail.com>"

ENV HOSTNAME=gemini.docker.localhost

ENV PACKAGES="ca-certificates \
    curl \
    openssl"

RUN apt-get update && apt-get -y --no-install-recommends install ${PACKAGES};

RUN useradd -m -s /bin/bash gemini

USER gemini

WORKDIR /home/gemini
RUN mkdir -p /home/gemini/content /home/gemini/server /home/gemini/certificate; \
    curl -fsSL "https://github.com/mbrubeck/agate/releases/download/v3.2.4%2Bbuild/agate.x86_64-unknown-linux-gnu.gz" -o /home/gemini/server/agate.gz && \
    gunzip ./server/agate.gz && \
    mv ./server/agate ./server/agate-server && \
    chmod +x ./server/agate-server;

EXPOSE 1965/tcp

ENTRYPOINT /home/gemini/server/agate-server \
    --content /home/gemini/content \
    --addr [::]:1965 --addr 0.0.0.0:1965 \
    --lang en-US \
    --hostname ${HOSTNAME}