Dockerfile

# Build Kafka Backup
FROM gradle:6.3.0-jdk8 AS builder
WORKDIR /opt/kafka-backup
COPY . /opt/kafka-backup
RUN gradle --no-daemon check test shadowJar

# Build Docker Image with Kafka Backup Jar
FROM google/cloud-sdk:alpine

ARG kafka_version=2.5.0
ARG scala_version=2.12
ARG glibc_version=2.31-r0

ENV KAFKA_VERSION=$kafka_version \
    SCALA_VERSION=$scala_version \
    KAFKA_HOME=/opt/kafka \
    GLIBC_VERSION=$glibc_version

ENV PATH=${PATH}:${KAFKA_HOME}/bin

RUN apk add --no-cache bash curl
RUN wget "https://archive.apache.org/dist/kafka/${KAFKA_VERSION}/kafka_${SCALA_VERSION}-${KAFKA_VERSION}.tgz" -O "/tmp/kafka_${SCALA_VERSION}-${KAFKA_VERSION}.tgz"
RUN tar xfz /tmp/kafka_${SCALA_VERSION}-${KAFKA_VERSION}.tgz -C /opt
RUN rm /tmp/kafka_${SCALA_VERSION}-${KAFKA_VERSION}.tgz
RUN ln -s /opt/kafka_${SCALA_VERSION}-${KAFKA_VERSION} ${KAFKA_HOME}

RUN apk update && apk upgrade 
RUN apk add go
RUN apk add openjdk8-jre
RUN apk add fuse
RUN go install github.com/googlecloudplatform/gcsfuse@v1.1.0

COPY ./bin /opt/kafka-backup/
COPY --from=builder /opt/kafka-backup/build/libs/kafka-backup.jar /opt/kafka-backup/

ENV PATH="${KAFKA_HOME}/bin:/root/go/bin/:/opt/kafka-backup/:${PATH}"