moth/build/package/Containerfile

FROM golang:1 AS builder
COPY go.* /src/
COPY pkg /src/pkg/
COPY cmd /src/cmd/
COPY theme /target/theme/
COPY example-puzzles /target/puzzles/
COPY LICENSE.md /target/
RUN mkdir -p /target/state
WORKDIR /src/
RUN CGO_ENABLED=0 GOOS=linux go install -i -a -ldflags '-extldflags "-static"' ./...
# I can't use /target/bin: doing so would cause the devel server to overwrite Ubuntu's /bin

##########

FROM builder AS tester
RUN go test ./...

##########

FROM builder AS prodbuild
RUN mkdir -p /target/bin
RUN cp /go/bin/* /target/bin/

##########

FROM scratch AS moth
COPY --from=prodbuild /target /
ENTRYPOINT [ "/bin/mothd" ]

##########

FROM ubuntu AS moth-devel
RUN apt-get -y update && apt-get -y install \
    build-essential \
    bsdgames \
    figlet toilet \
    lua5.3 \
    python3 \
    python3-pil \
    python3-scapy \
    python3-yaml \
    cowsay
COPY --from=builder /target /
COPY --from=builder /go/bin/* /bin/
CMD [ "/bin/mothd", "-puzzles", "/puzzles" ]