Add docker build image for alpine python client

pulsar-client-cpp/docker/alpine/Dockerfile

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+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+#
+
+
+FROM python:3.7-alpine3.10
+
+RUN apk update \
+    && apk upgrade \
+    && apk add --no-cache \
+        bash \
+        git \
+        openssh \
+        cmake \
+        libressl-dev \
+        curl-dev \
+        protobuf-dev \
+        boost-dev \
+        gtest-dev \
+        make \
+        build-base \
+        python3-dev \
+        zstd-dev \
+        snappy-dev \
+        libffi-dev
+
+RUN pip install --no-cache-dir twine wheel

pulsar-client-cpp/docker/alpine/create-images.sh

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+#!/bin/bash
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+#
+
+
+# Create all the Docker images for variations of Python versions
+
+set -e
+
+PYTHON_VERSIONS=(
+   '3.7 cp37-cp37m'
+)
+
+for line in "${PYTHON_VERSIONS[@]}"; do
+    read -r -a PY <<< "$line"
+    PYTHON_VERSION=${PY[0]}
+    PYTHON_SPEC=${PY[1]}
+    echo "--------- Build Docker image for $PYTHON_VERSION -- $PYTHON_SPEC"
+
+    IMAGE_NAME=pulsar-build:alpine-$PYTHON_SPEC
+
+    docker build -t $IMAGE_NAME . \
+            --build-arg PYTHON_VERSION=$PYTHON_VERSION \
+            --build-arg PYTHON_SPEC=$PYTHON_SPEC
+
+    echo "==== Successfully built image $IMAGE_NAME"
+done

pulsar-client-cpp/docker/alpine/push-images.sh

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+#!/bin/bash
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+#
+
+
+# Create all the Docker images for variations of Python versions
+
+set -e
+
+DOCKER_ORG=apachepulsar
+
+PYTHON_VERSIONS=(
+   '3.7 cp37-cp37m'
+)
+
+for line in "${PYTHON_VERSIONS[@]}"; do
+    read -r -a PY <<< "$line"
+    PYTHON_VERSION=${PY[0]}
+    PYTHON_SPEC=${PY[1]}
+
+    IMAGE_NAME=pulsar-build:alpine-$PYTHON_SPEC
+    FULL_NAME=$DOCKER_ORG/$IMAGE_NAME
+
+    echo "IMAGE_NAME: $IMAGE_NAME"
+    echo "FULL_NAME: $FULL_NAME"
+    docker tag $IMAGE_NAME $FULL_NAME
+    docker push $FULL_NAME
+
+    echo "==== Successfully pushed image $FULL_NAME"
+done