alpinebox/install-docker at master · psy0rz/alpinebox · GitHub

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#!/bin/sh

set -e

#dependencies
./install-docker-zfs-plugin


echo "ALPINEBOX: Installing Docker"


#install
apk add  docker docker-bash-completion docker-cli-compose

#configuration
mkdir -p /etc/docker
cat << EOF > /etc/docker/daemon.json
 {
    "storage-driver": "zfs",
    "storage-opts": ["zfs.fsname=rpool/var/lib/docker/images"],
    "default-address-pools":
    [
        {"base":"172.19.0.0/16","size":24 }
    ],
    "log-opts": {
        "max-size": "1m",
        "max-file": "2"
        },
    "dns-opts": ["ndots:1"]

    }
EOF

#enable and start docker service
rc-update add docker
rc-service docker restart

#set some sysctl stuff neccessary for some containers
cat << EOF > /etc/sysctl.d/docker.conf
#for opensearch/elasticsearch
vm.max_map_count=1024000
#for some containers
fs.inotify.max_user_instances=1024
EOF
service sysctl restart


echo "ALPINEBOX: Docker installed"