radius.Dockerfile

# syntax=docker/dockerfile:1

# Stage 1: Build
FROM --platform=${BUILDPLATFORM} docker.io/golang:1.22.1-bookworm AS builder

ARG TARGETOS
ARG TARGETARCH
ARG TARGETVARIANT

ARG GOOS=$TARGETOS
ARG GOARCH=$TARGETARCH

WORKDIR /go/src/goauthentik.io

RUN --mount=type=bind,target=/go/src/goauthentik.io/go.mod,src=./go.mod \
    --mount=type=bind,target=/go/src/goauthentik.io/go.sum,src=./go.sum \
    --mount=type=bind,target=/go/src/goauthentik.io/gen-go-api,src=./gen-go-api \
    --mount=type=cache,target=/go/pkg/mod \
    go mod download

ENV CGO_ENABLED=0
COPY . .
RUN --mount=type=cache,sharing=locked,target=/go/pkg/mod \
    --mount=type=cache,id=go-build-$TARGETARCH$TARGETVARIANT,sharing=locked,target=/root/.cache/go-build \
    GOARM="${TARGETVARIANT#v}" go build -o /go/radius ./cmd/radius

# Stage 2: Run
FROM gcr.io/distroless/static-debian11:debug

ARG GIT_BUILD_HASH
ENV GIT_BUILD_HASH=$GIT_BUILD_HASH

LABEL org.opencontainers.image.url https://goauthentik.io
LABEL org.opencontainers.image.description goauthentik.io Radius outpost, see https://goauthentik.io for more info.
LABEL org.opencontainers.image.source https://github.com/goauthentik/authentik
LABEL org.opencontainers.image.version ${VERSION}
LABEL org.opencontainers.image.revision ${GIT_BUILD_HASH}

COPY --from=builder /go/radius /

HEALTHCHECK --interval=5s --retries=20 --start-period=3s CMD [ "/radius", "healthcheck" ]

EXPOSE 1812/udp 9300

USER 1000

ENTRYPOINT ["/radius"]