Bret Fisher BretFisher

Kubernetes Mastery is Coming! But until then, I get one more coupon from Udemy in October and I want you to have them. Each course builds on the last, and more videos are coming to Docker Mastery this year:

$13.99 Docker Mastery: with Swarm & Kubernetes from a Docker Captain https://www.udemy.com/course/docker-mastery/?couponCode=OCT19AWESOME

$9.99 Docker Swarm Mastery: DevOps Style Cluster Orchestration https://www.udemy.com/course/docker-swarm-mastery/?couponCode=SCARY2019

2018 Update: Easiest option is Justin's repo and image

Just run this from your CLI and it'll drop you in a container with full permissions on the Moby VM. Only works for Moby Linux VM (doesn't work for Windows Containers). Note this also works on Docker for Mac.

docker run -it --rm --privileged --pid=host justincormack/nsenter1

more info: https://github.com/justincormack/nsenter1

Replace your Swarm Manager and Workers with updated versions of docker

it's best to replace nodes, don't do apt/yum upgrades.
both would work, but VM replacment forces me to think of it as immutable and prevents making pets
if you don't want to update join scripts for manager IP's, then do something like Elastic IP's so manager IP's won't change.

Lets assume you have 3 managers and 3 workers on 17.06 and you want to update to 17.12

managers: m1, m2, m3

	# Replace the "❯" symbol in the prompt with "🥃"
	[character]
	success_symbol = "[🥃](bold green)"

	[[battery.display]]
	threshold = 75 # only show me battery status below 75%

	[directory]
	truncation_length = 5
	truncation_symbol = '…/'

	# any images you use later, add them here first to create aliases
	# I like keeping all my versions at the top
	FROM node:14.3-slim as node
	FROM php:7.2.1-fpm-slim as php
	FROM nginx:1.17 as nginx

	# The real base image to start from
	FROM ubuntu:focal-20210827 as base

	# install apt stuff

	#!/usr/bin/env bash
	set -euo pipefail
	IFS=$'\n\t'

	DOMAIN_NAME=$1

	openssl req \
	-newkey rsa:2048 \
	-x509 \
	-nodes \

	#!/usr/bin/env bash
	set -euo pipefail
	IFS=$'\n\t'

	DOMAIN_NAME=$1

	openssl req \
	-newkey rsa:2048 \
	-x509 \
	-nodes \

	black = '#fbf1c7';
	red = '#cc241d'; // red
	green = '#98971a'; // green
	yellow = '#d79921'; // yellow
	blue = '#458588'; // blue
	magenta = '#b16286'; // pink
	cyan = '#689d6a'; // cyan
	white = '#7c6f64'; // light gray
	lightBlack = '#928374'; // medium gray
	lightRed = '#9d0006'; // red

	# this assumes your using oh-my-zsh for maximum zsh-ness
	# info and defaults are here:
	# https://github.com/robbyrussell/oh-my-zsh/blob/master/templates/zshrc.zsh-template

	export LC_ALL="en_US.UTF-8"
	export ZSH=/Users/bret/.oh-my-zsh

	# custom prompt theme
	ZSH_THEME="present" # mine is present, default is robbyrussell, also agnoster, fishy, ys, wild-cherry
	COMPLETION_WAITING_DOTS="true"

	dcb='docker-compose build'
	dcdn='docker-compose down'
	dce='docker-compose exec'
	dcl='docker-compose logs'
	dclf='docker-compose logs -f'
	dco=docker-compose
	dcps='docker-compose ps'
	dcr='docker-compose run'
	dcrestart='docker-compose restart'
	dcrm='docker-compose rm'