FROM ubuntu:22.04

WORKDIR /opt/postfix

RUN apt update && \
  apt upgrade -y && \
  apt install -y postfix curl

RUN curl -SsfL -o /usr/bin/gomplate "https://github.com/hairyhenderson/gomplate/releases/download/v3.11.5/gomplate_linux-amd64-slim" && \
  chmod 755 /usr/bin/gomplate

COPY entrypoint.sh .
COPY config ./config

EXPOSE 25/tcp 465/tcp 587/tcp
CMD ["/bin/bash", "entrypoint.sh"]