Dockerfile.alpine

#
# Copyright 2019 Confluent Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


#############################################################################
# Alpine-based docker container with:
#  * Python3
#  * librdkafka (fully featured)
#  * kcat (withouth schema-registry/Avro support)
#  * confluent-kafka-python
#
# How to build (from confluent-kafka-python top-level directory):
#  $ docker build -f examples/docker/Dockerfile.alpine .
#
#############################################################################

FROM alpine:3.12

COPY . /usr/src/confluent-kafka-python

ENV LIBRDKAFKA_VERSION="v2.10.0"
ENV KCAT_VERSION="master"
ENV CKP_VERSION="master"


ENV BUILD_DEPS="git make gcc g++ curl pkgconfig bsd-compat-headers zlib-dev openssl-dev cyrus-sasl-dev curl-dev zstd-dev yajl-dev python3-dev"

ENV RUN_DEPS="bash libcurl cyrus-sasl-gssapiv2 ca-certificates libsasl heimdal-libs krb5 zstd-libs zstd-static yajl python3 py3-pip"

RUN \
    apk update && \
    apk add --no-cache --virtual .dev_pkgs $BUILD_DEPS $BUILD_DEPS_EXTRA && \
    apk add --no-cache $RUN_DEPS $RUN_DEPS_EXTRA

RUN \
    echo Installing librdkafka && \
    mkdir -p /usr/src/librdkafka && \
    cd /usr/src/librdkafka && \
    curl -LfsS https://github.com/edenhill/librdkafka/archive/${LIBRDKAFKA_VERSION}.tar.gz | \
        tar xvzf - --strip-components=1 && \
    ./configure --prefix=/usr --disable-lz4-ext && \
    make -j && \
    make install && \
    cd / && \
    rm -rf /usr/src/librdkafka

RUN \
    echo Installing kcat && \
    mkdir -p /usr/src/kcat && \
    cd /usr/src/kcat && \
    curl -LfsS https://github.com/edenhill/kcat/archive/${KCAT_VERSION}.tar.gz | \
        tar xvzf - --strip-components=1 && \
    ./configure --prefix=/usr && \
    make -j && \
    make install && \
    cd / && \
    rm -rf /usr/src/kcat && \
    kcat -V

RUN \
    echo Installing confluent-kafka-python && \
    mkdir -p /usr/src/confluent-kafka-python && \
    cd /usr/src/confluent-kafka-python && \
    rm -rf build && \
    rm -rf dist && \
    python3 -m pip install build && \
    python3 -m build && \
    python3 -m pip install dist/confluent_kafka*whl && \
    cd / && \
    rm -rf /usr/src/confluent-kafka-python

RUN \
    apk del .dev_pkgs

RUN \
    python3 -c 'import confluent_kafka as cf ; print(cf.version(), "librdkafka", cf.libversion())'