xshok-docker :: eXtremeSHOK.com Docker

Scripts for working with docker

Docker Optimization / Post Install Script for Ubuntu (xshok-ubuntu-docker-host.sh) run once

Turns a fresh ubuntu install into an optimised docker host

Force APT to use IPv4
Remove conflicting utilities
Update and Install common system utilities
Remove no longer required packages and purge old cached updates
Detect if virtual machine and install guest agent (qemu/kvm, vmware, virtualbox)
Detect cloud-init device and install cloud-init
Disable portmapper / rpcbind (security)
Disable SSH password logins (security) if Authorized_keys detected
Disable local dns server, do not disable systemd-resolved as this breaks nameservers configured with netplan
set-timezone UTC and enable timesyncd as nntp client
Create a swapfile (default is 4GB, configurable with SWAPFILE_SIZE)
Bugfix: high swap usage with low memory usage
Pretty MOTD BANNER (configurable with NO_MOTD_BANNER)
Increase max user watches
Increase max FD limit / ulimit
Increase kernel max Key limit
Set systemd ulimits
Set ulimit for the shell user
Enable unattended upgrades
Enable logrotate with docker logs support
Install Docker-ce withdocker-ce-cli containerd.io aufs-tools cgroupfs-mount docker-ce-rootless-extras slirp4netns
Install Docker-compose
Enable TCP BBR congestion control, improves overall network throughput
Disable Transparent Hugepage before Docker boots
Install Borgmatic and Borgbase for backups
Sample borgmatic config installed at /etc/borgmatic/config.yaml

Notes:

to disable the MOTD banner, set the env NO_MOTD_BANNER to true (export NO_MOTD_BANNER=true)
to set the swapfile size to 1GB, set the env SWAPFILE_SIZE to 1 (export SWAPFILE_SIZE=1)
Disable swapfile (export SWAPFILE_SIZE=0)

wget https://raw.githubusercontent.com/extremeshok/xshok-docker/master/xshok-ubuntu-docker-host.sh -O xshok-ubuntu-docker-host.sh && chmod +x xshok-ubuntu-docker-host.sh && ./xshok-ubuntu-docker-host.sh

xshok-docker.sh (single script replaces all separate scripts)

eXtremeSHOK.com Docker
DOCKER OPTIONS
       start docker-compose.yml
   -u | --up | --start | --init
       stop all dockers and docker-compose
   -d | --down | --stop
       quickly restart docker-compose
   -r | --restart | --quickupdown | --quick-up-down | --reload
       reset docker-compose (down and then up)
   -R | --reset | --updown | --up-down
       stop and remove dockers, will NOT remove volumes
   -p | --prune | --clean
ADVANCED OPTIONS
       creates a systemd service to start docker and run docker-compose.yml on boot
   -b | --boot | --service | --systemd
       make pretty images of the docker-compose topology
   -v | --vis | --visuliser
GENERAL OPTIONS
    --upgrade
       upgrades the script to the latest version
   -H, --help
       Display help and exit.

NOTES:

Script must be placed into the same directory as the docker-compose.yml

wget https://raw.githubusercontent.com/extremeshok/xshok-docker/master/xshok-docker.sh -O xshok-docker.sh && chmod +x xshok-docker.sh
bash xshok-docker.sh

Docker Initialization / Start docker-compose.yml (xshok-docker.sh --start)

Starts your docker-compose based containers properly

Automatically creates volume directories and touches volume files
Stops all running containers
Removes any orphaned containers
Pull/download dependencies and images
Forces recreation of all containers and will build required containers

Docker Cleaning / Stop docker-compose.yml (xshok-docker.sh --clean)

Stops your docker-compose based containers properly

Stops all running containers
Removes any orphaned containers amd images

Creates a systemd service to start/stop docker-compose.yml (xshok-docker.sh --boot)

Creates a systemd service to start / stop your docker-compose

On Start: Forces recreation of all containers and will build required containers
On Stop: Stops all running containers, Removes any orphaned containers
On Reload: quickest, docker-compose stop and start

extremeshok / xshok-docker