mysqldocker

#!/bin/bash

# Check if the "mysql" container is running
number_of_running_containers=$(docker ps --filter "name=mysql" | grep -w "mysql" | wc -l)

if [ $number_of_running_containers = "1" ] ; then
    echo "MySQL is already running:"
    docker ps --filter "name=mysql"

    echo "You can stop it by executing \"docker stop mysql\""

    exit 0
fi

# Doing the same kind of check but with "-a", to check if the container exists.
number_of_running_containers=$(docker ps -a --filter "name=mysql" | grep -w "mysql" | wc -l)

if [ $number_of_running_containers = "1" ] ; then
        echo "Container exists."
else
        echo "Container does not exist yet, creating it..."
        docker create \
                --name=mysql \
                --env MYSQL_ROOT_PASSWORD=root \
                --publish 3306:3306 \
                --volume=/var/tmp/mysql_docker_data:/var/lib/mysql \
                mysql:5.7
fi

echo "Starting MySQL..."
docker start mysql

sleep 0.5

number_of_running_containers=$(docker ps --filter "name=mysql" | wc -l)

if [ $number_of_running_containers = "1" ] ; then
        echo "/!\ Seems like the container did not start."
        echo "Last logs:"

        docker logs mysql --since=2s
fi