Wait until docker container is healthy

wait-for-healthy.sh

#!/usr/bin/env bash

CONTAINER_HEALTH=$(docker inspect --format='{{json .State.Health.Status}}' $1)
if [ -z $CONTAINER_HEALTH ]; then
    echo "Container not found"
    exit 1
fi;

until test $CONTAINER_HEALTH = "\"healthy\""; do
    echo "Waiting..."
    sleep 1
    CONTAINER_HEALTH=$(docker inspect --format='{{json .State.Health.Status}}' $1)
    if [ -z $CONTAINER_HEALTH ]; then
        echo "Container crashed"
        exit 1
    fi;
done
echo "Ready!"