Dockerfile

FROM python:3.7.0-alpine3.8
  
ARG LIBRDKAFKA_NAME="librdkafka"
ARG LIBRDKAFKA_VER="0.11.6"

# Install librdkafka
RUN apk add --no-cache --virtual .fetch-deps \
      ca-certificates \
      libressl \
      curl \
      tar && \
\
    BUILD_DIR="$(mktemp -d)" && \
\
    curl -sLo "$BUILD_DIR/$LIBRDKAFKA_NAME.tar.gz" "https://github.com/edenhill/librdkafka/archive/v$LIBRDKAFKA_VER.tar.gz" && \
    mkdir -p $BUILD_DIR/$LIBRDKAFKA_NAME-$LIBRDKAFKA_VER && \
    tar \
      --extract \
      --file "$BUILD_DIR/$LIBRDKAFKA_NAME.tar.gz" \
      --directory "$BUILD_DIR/$LIBRDKAFKA_NAME-$LIBRDKAFKA_VER" \
      --strip-components 1 && \
\
    apk add --no-cache --virtual .build-deps \
      bash \
      g++ \
      libressl-dev \
      make \
      musl-dev \
      zlib-dev && \
\
    cd "$BUILD_DIR/$LIBRDKAFKA_NAME-$LIBRDKAFKA_VER" && \
    ./configure \
      --prefix=/usr && \
    make -j "$(getconf _NPROCESSORS_ONLN)" && \
    make install && \
\
    runDeps="$( \
      scanelf --needed --nobanner --recursive /usr/local \
        | awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
        | sort -u \
        | xargs -r apk info --installed \
        | sort -u \
      )" && \
    apk add --no-cache --virtual .librdkafka-rundeps \
      $runDeps && \
\
    cd / && \
    apk del .fetch-deps .build-deps && \
    rm -rf $BUILD_DIR

LABEL maintainer="King Chung Huang <kchuang@ucalgary.ca>" \
      org.label-schema.vcs-url="https://github.com/ucalgary/docker-python-librdkafka"