Create/Manage base/simple Docker containers

remove_unused_docker_images.sh

#!/bin/bash
DOCKERIMAGE=$1

if [ -z "$DOCKERIMAGE" ]; then
    echo 'Paramether $1 not found.'
    echo "Syntax: $0 DOCKERIMAGE"
    exit 1
fi

docker ps -a | docker ps -a | awk '$2 ~ /'$DOCKERIMAGE'/ { print }'
if [ "$?" -ne 0 ]; then
    echo "Images dont match with your input. Bye."
    exit 0
fi

echo "Remove listed images? [y/N]"
read RESP

if [ "$RESP" == "y" -o "$RESP" == "Y" ]; then
    docker rm $(docker ps -a | docker ps -a | awk '$2 ~ /'$DOCKERIMAGE'/ { print }')
    docker rmi -f $(docker images | awk '$1 ~ /'$DOCKERIMAGE'/ {print}')
    echo "Removed. Bye."
else
    echo "Bye."
fi

start_mysql_docker.sh

#!/bin/bash
DATADIR="$HOME/mysql_data"
mkdir $DATADIR
echo "DATADIR is $DATADIR"

docker pull mysql
docker run -t -i -p 3306:3306 -e MYSQL_ROOT_PASSWORD=YOUR_ROOT_DATABASE_PASSWORD -v "$DATADIR":/var/lib/mysql mysql mysqld

start_redis_docker.sh

#!/bin/bash
PORT=6379
DATADIR="$HOME/redis_data"
mkdir $DATADIR
echo "DATADIR is $DATADIR"

sysctl vm.overcommit_memory=1
echo 512 > /proc/sys/net/core/somaxconn
echo never > /sys/kernel/mm/transparent_hugepage/enabled

docker pull redis
docker run -t -i -p "$PORT":"$PORT" -v "$DATADIR":/data redis redis-server --appendonly yes