Dockerfile

FROM golang:alpine3.23 AS builder

WORKDIR /tmp/gopher64

RUN apk update \
    && apk -U add --no-cache \
        git \
    && mkdir -p /server \
    && git clone "https://github.com/gopher64/gopher64-netplay-server.git" /tmp/gopher64 \
    && go mod download \
    && CGO_ENABLED=0 go build -a -o gopher64-netplay-server . \
    && cp /tmp/gopher64/gopher64-netplay-server /server/gopher64-netplay-server \
    && chmod +x /server/gopher64-netplay-server \
    && rm -R /tmp/gopher64

FROM alpine:3.23

ENV USERNAME=gopher64
ENV USERHOME=/home/$USERNAME

ENV G64NS_NAME="gopher64 Server"
ENV G64NS_PORT=45000
ENV G64NS_LOGPATH="gopher64-server.log"
ENV G64NS_MOTD=""
ENV G64NS_MAXGAMES=10
ENV G64NS_DISABLEBROADCAST="false"
ENV G64NS_ENABLEAUTH="false"

RUN apk update \
    && adduser --disabled-password $USERNAME \
    && rm -rf /tmp/* /var/tmp/*

COPY --from=builder --chown=$USERNAME /server/* $USERHOME/
COPY --chown=$USERNAME ./container_files $USERHOME/

USER $USERNAME
WORKDIR $USERHOME

RUN chmod +x docker-entrypoint.sh

ENTRYPOINT ["./docker-entrypoint.sh"]