Dockerfile

# syntax=docker/dockerfile:1.7

ARG GO_VERSION=1.24
ARG MIHOMO_IMAGE=metacubex/mihomo:Alpha

FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-alpine AS build
ARG TARGETOS
ARG TARGETARCH
WORKDIR /src

COPY go.mod go.sum ./
RUN go mod download

COPY *.go index.html lucide.min.js favicon.svg ./
RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH \
    go build -buildvcs=false -trimpath -ldflags="-s -w" -o /out/mihomo-sift .

FROM ${MIHOMO_IMAGE} AS mihomo

FROM alpine:3.22
LABEL org.opencontainers.image.title="Mihomo Sift" \
      org.opencontainers.image.description="Filter subscription nodes by measured Mihomo latency"

RUN apk add --no-cache ca-certificates tzdata su-exec \
    && addgroup -S -g 10001 probe \
    && adduser -S -D -H -u 10001 -G probe probe \
    && mkdir -p /data \
    && chown probe:probe /data

COPY --from=mihomo /mihomo /usr/local/bin/mihomo
COPY --from=build /out/mihomo-sift /usr/local/bin/mihomo-sift
COPY --chmod=755 docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh

ENV LISTEN_ADDR=:8080 \
    DATA_DIR=/data \
    MIHOMO_BIN=/usr/local/bin/mihomo
VOLUME ["/data"]
EXPOSE 8080
STOPSIGNAL SIGTERM
HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
    CMD wget -q -T 2 -O /dev/null http://127.0.0.1:8080/api/health || exit 1

USER root
ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
CMD ["/usr/local/bin/mihomo-sift"]