(no merge) Kafka from source, on Alpine

kafka/Dockerfile

@@ -1,16 +1,52 @@
-FROM openjdk:8-jre-alpine
+FROM openjdk:8u131-jre-alpine
 
-ARG kafka_version=0.10.2.0
-ENV kafka_bin_version=2.12-$kafka_version
+ENV KAFKA_VERSION=1.0.0-rc1 SCALA_VERSION=2.12.3
 
-RUN apk add --no-cache --update-cache --virtual build-dependencies curl ca-certificates \
-  && mkdir -p /opt/kafka \
-  && curl -SLs "https://www-eu.apache.org/dist/kafka/$kafka_version/kafka_$kafka_bin_version.tgz" | tar -xzf - --strip-components=1 -C /opt/kafka \
-  && apk del build-dependencies \
-  && rm -rf /var/cache/apk/*
+RUN set -e; mkdir -p /opt && cd /opt; \
+  GRADLE_VERSION=4.0 PATH=$PATH:$(pwd)/gradle-$GRADLE_VERSION/bin; \
+  apk add  --no-cache --virtual .build-deps \
+    curl \
+    openjdk8="$JAVA_ALPINE_VERSION"; \
+  curl -SLs -o gradle-$GRADLE_VERSION-bin.zip https://services.gradle.org/distributions/gradle-$GRADLE_VERSION-bin.zip; \
+  unzip gradle-$GRADLE_VERSION-bin.zip; \
+  rm gradle-$GRADLE_VERSION-bin.zip; \
+  gradle -v; \
+  \
+  mkdir build; \
+  curl -SLs "https://github.com/apache/kafka/archive/$KAFKA_VERSION.tar.gz" | tar -xzf - --strip-components=1 -C ./build; \
+  cd build; \
+  sed -i "s/scalaVersion=.*/scalaVersion=$SCALA_VERSION/" gradle.properties; \
+  gradle; \
+  #./gradlew unitTest; \
+  #./gradlew integrationTest; \
+  ./gradlew jar; \
+  gradle --stop; \
+  cd ..; \
+  \
+  rm gradle-$GRADLE_VERSION -Rf; \
+  rm ~/.gradle -Rf; \
+  apk del .build-deps; \
+  \
+  mkdir -p kafka/core/build kafka/clients/build; \
+  mv build/core/build/libs             kafka/core/build/; \
+  mv build/core/build/dependant-libs-* kafka/core/build/; \
+  mv build/clients/build/libs          kafka/clients/build/; \
+  mv build/config kafka/; \
+  mv build/bin    kafka/; \
+  rm kafka/bin/windows -Rf; \
+  rm build -Rf
+
+RUN apk add --no-cache bash
 
 WORKDIR /opt/kafka
 ENTRYPOINT ["bin/kafka-server-start.sh"]
 
 RUN sed -i 's/zookeeper.connect=localhost:2181/zookeeper.connect=zookeeper:2181/' config/server.properties
 CMD ["config/server.properties"]
+
+RUN set -e; \
+  mv config/log4j.properties config/log4j.properties.org; \
+  echo "log4j.rootLogger=INFO, stdout"                                     > config/log4j.properties; \
+  echo "log4j.appender.stdout=org.apache.log4j.ConsoleAppender"           >> config/log4j.properties; \
+  echo "log4j.appender.stdout.layout=org.apache.log4j.PatternLayout"      >> config/log4j.properties; \
+  echo "log4j.appender.stdout.layout.ConversionPattern=[%d] %p %m (%c)%n" >> config/log4j.properties