FROM golang:alpine AS build

ARG BLD_REPO=${BLD_REPO:-https://github.com/horgh/catbox.git}
ARG BLD_VER=${BLD_VER:-master}

ARG GOOS
ARG GOARCH

RUN apk --update add \
        git

RUN git clone \
        --depth 1 \
        --single-branch \
        --branch ${BLD_VER} \
        ${BLD_REPO} \
        /srv/src/catbox

WORKDIR /srv/src/catbox

RUN GOOS=${GOOS} \
    GOARCH=${GOARCH} \
    CGO_ENABLED=0 \
        go build \
            --installsuffix cgo \
            --ldflags "-w -s" \
            -o "/srv/dist/catbox" \
            .

RUN cp -r /srv/src/catbox/conf /srv/dist/conf && \
    sed -i 's|#opers-config =|opers-config = /srv/data/conf/opers.conf|g' /srv/dist/conf/catbox.conf && \
    sed -i 's|#servers-config =|servers-config = /srv/data/conf/servers.conf|g' /srv/dist/conf/catbox.conf && \
    sed -i 's|#users-config =|users-config = /srv/data/conf/users.conf|g' /srv/dist/conf/catbox.conf

FROM alpine:latest

RUN adduser -D catbox

COPY --from=build --chown=catbox /srv/dist /srv/catbox

COPY root/ /

ENTRYPOINT ["/entrypoint.sh"]