# Builder image
FROM docker.io/golang:1.20-bullseye AS build
ARG VERSION=v0.22.3
ARG CADDY_VERSION=v2.7.6
ENV GOPATH /go

RUN apt-get install -y git && \
    git clone https://github.com/juanfont/headscale -b $VERSION /go/src/headscale && \
    git clone https://github.com/caddyserver/caddy.git -b $CADDY_VERSION /go/src/caddy

WORKDIR /go/src/headscale

RUN go mod download

RUN CGO_ENABLED=0 GOOS=linux go install -tags ts2019 -ldflags="-s -w -X github.com/juanfont/headscale/cmd/headscale/cli.Version=$VERSION" -a ./cmd/headscale
RUN strip /go/bin/headscale
RUN test -e /go/bin/headscale

# Caddy build
WORKDIR /go/src/caddy

RUN go mod download

RUN GOOS=linux go install ./cmd/caddy
RUN strip /go/bin/caddy
RUN test -e /go/bin/caddy

# Node build image
FROM docker.io/node:19-bullseye AS build-node
ARG UI_COMMIT=a9db179089e3ae2b417fb657a2d3da68a54b1f2d

RUN apt-get install -y git && \
    git clone https://github.com/gurucomputing/headscale-ui /headscale-ui

WORKDIR /headscale-ui

RUN git checkout $UI_COMMIT && npm install --development && npm run build

# Production image
# Note that we do not use "distroless" because we actually want to have a shell in the image
# to run app.sh (in order to perform custom initialization)
FROM docker.io/golang:1.20-bullseye

COPY --from=build /go/bin/headscale /bin/headscale
COPY --from=build /go/bin/caddy /bin/caddy
COPY --from=build-node /headscale-ui/build /srv/web
ADD Caddyfile /etc/
ENV TZ UTC

ADD app.sh /

RUN chmod +x /app.sh

EXPOSE 8080/tcp
# State path
# Note that configuration should be mounted or added in /etc/headscale
VOLUME /var/lib/headscale
CMD ["/app.sh"]