# syntax=docker/dockerfile:1.6
FROM debian:bookworm-slim

ARG P2POOL_VERSION=v4.9
ARG TARGETARCH
ARG P2POOL_SHA256=""

RUN set -eux; \
    apt-get update; \
    apt-get install -y --no-install-recommends ca-certificates curl xz-utils tar; \
    update-ca-certificates; \
    case "${TARGETARCH:-arm64}" in \
      amd64)  ASUF="linux-x86_64" ;; \
      arm64)  ASUF="linux-arm64" ;; \
      arm)    ASUF="linux-arm" ;; \
      *) echo "Unsupported TARGETARCH=${TARGETARCH}"; exit 1 ;; \
    esac; \
    URL="https://github.com/SChernykh/p2pool/releases/download/${P2POOL_VERSION}/p2pool-${ASUF}.tar.gz"; \
    echo "Downloading $URL"; \
    curl -fL "$URL" -o /tmp/p2pool.tgz; \
    if [ -n "$P2POOL_SHA256" ]; then echo "${P2POOL_SHA256}  /tmp/p2pool.tgz" | sha256sum -c -; fi; \
    tar -xzf /tmp/p2pool.tgz -C /usr/local/bin --wildcards 'p2pool*'; \
    chmod 0755 /usr/local/bin/p2pool*; \
    ln -sf /usr/local/bin/p2pool /usr/local/bin/p2pool; \
    rm -f /tmp/p2pool.tgz

EXPOSE 3333
CMD ["p2pool","--version"]