kcd/Dockerfile.goreleaser at main · bethropolis/kcd · GitHub

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# ─── Certificates + directories ────────────────────────────────────────────────
FROM alpine:3.20 AS base
RUN apk add --no-cache ca-certificates && \
    mkdir -p /out/config /out/state /out/data /out/run/kcd && \
    chown -R 65534:65534 /out/config /out/state /out/data /out/run

# ─── Runtime ───────────────────────────────────────────────────────────────────
FROM alpine:3.20

LABEL org.opencontainers.image.title="kcd" \
      org.opencontainers.image.description="Headless KDE Connect daemon" \
      org.opencontainers.image.url="https://github.com/bethropolis/kcd" \
      org.opencontainers.image.source="https://github.com/bethropolis/kcd" \
      org.opencontainers.image.licenses="MIT"

COPY --from=base /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
COPY --from=base --chown=65534:65534 /out/config /config
COPY --from=base --chown=65534:65534 /out/state /state
COPY --from=base --chown=65534:65534 /out/data /data
COPY --from=base --chown=65534:65534 /out/run /run

COPY entrypoint.sh /entrypoint.sh

ARG TARGETPLATFORM
COPY $TARGETPLATFORM/kcd /usr/bin/kcd

VOLUME ["/config", "/state", "/data"]

ENV XDG_CONFIG_HOME=/config \
    XDG_STATE_HOME=/state \
    XDG_RUNTIME_DIR=/run \
    XDG_CACHE_HOME=/tmp

EXPOSE 1716/tcp 1716/udp 1739-1764/tcp

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
    CMD ["/usr/bin/kcd", "devices"]

ENTRYPOINT ["/entrypoint.sh"]
CMD ["daemon"]