flink-container/docker/docker-entrypoint.sh

#!/usr/bin/env bash

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### If unspecified, the hostname of the container is taken as the JobManager address
FLINK_HOME=${FLINK_HOME:-"/opt/flink/bin"}

JOB_CLUSTER="job-cluster"
TASK_MANAGER="task-manager"

CMD="$1"

if [ "${CMD}" == "--help" -o "${CMD}" == "-h" ]; then
    echo "Usage: $(basename $0) (${JOB_CLUSTER}|${TASK_MANAGER})"
    exit 0
elif [ "${CMD}" == "${JOB_CLUSTER}" -o "${CMD}" == "${TASK_MANAGER}" ]; then
    echo "Starting the ${CMD}"

    shift;
    if [ "${CMD}" == "${TASK_MANAGER}" ]; then
        exec $FLINK_HOME/bin/taskmanager.sh start-foreground "$@"
    else
        exec $FLINK_HOME/bin/standalone-job.sh start-foreground "$@"
    fi
fi

echo "Starting the command $@"
export FLINK_ROOT_DIR="$FLINK_HOME"
. "$FLINK_HOME"/bin/config.sh
export FLINK_CLASSPATH=`constructFlinkClassPath`
exec "$@"