example.cloud-init.yaml

#cloud-config

write_files:
  - path: /etc/cron.daily/apt-check
    content: |
      apt-get update -qq
      apt-get upgrade -ydqq
  - path: /etc/skel/.bashrc
    content: |
      #
      case $- in
          *i*) ;;
            *) return;;
      esac
      set -o noclobber
      bind Space:magic-space
      shopt -s globstar 2> /dev/null
      bind "set completion-ignore-case on"
      bind "set completion-map-case on"
      bind "set show-all-if-ambiguous on"
      HISTCONTROL=ignoreboth
      shopt -s histappend
      shopt -s cmdhist
      PROMPT_COMMAND='history -a'
      HISTSIZE=8000
      HISTFILESIZE=40000
      shopt -s checkwinsize
      bind '"\e[A": history-search-backward'
      bind '"\e[B": history-search-forward'
      bind '"\e[C": forward-char'
      bind '"\e[D": backward-char'
      CDPATH="."
      shopt -s cdable_vars

      export VISUAL=nano
      export EDITOR=nano
      export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'
      export PATH="$PATH:$HOME/.config/composer/vendor/bin:$HOME/.gem/ruby/2.6.0/bin:$HOME/.gem/ruby/2.7.0/bin"
      export PATH="$HOME/.poetry/bin:$PATH"
      export GOPATH="$HOME/go"
      export PATH="$PATH:$GOPATH/bin"

      stty -ixon -ixoff
      if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then
          debian_chroot=$(cat /etc/debian_chroot)
      fi
      case "$TERM" in
          xterm-color) color_prompt=yes;;
      esac
      color_prompt=yes
      if [ "$color_prompt" = yes ]; then
      PS1="${debian_chroot:+($debian_chroot)}\[\033[38;5;7m\]\t\[$(tput sgr0)\]\[\033[38;5;15m\]:\[$(tput sgr0)\]\[\033[38;5;37m\]\u\[$(tput bold)\]\[$(tput sgr0)\]\[\033[38;5;15m\]@\[$(tput bold)\]\\[\033[38;5;208m\]\h\[$(tput sgr0)\]\[$(tput bold)\]\\[\033[38;5;14m\]\w\[$(tput sgr0)\]\[\033[38;5;10m\]\\$\[$(tput sgr0)\]"
      else
          PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
      fi
      case "$TERM" in
      xterm*|rxvt*)
          PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
          ;;
      *)
          ;;
      esac
      if [ -x /usr/bin/dircolors ]; then
          test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
          alias ls='ls --color=auto'
          alias dir='dir --color=auto'
          alias vdir='vdir --color=auto'

          alias grep='grep --color=auto'
          alias fgrep='fgrep --color=auto'
          alias egrep='egrep --color=auto'
      fi
      if [ -f ~/.bash_aliases ]; then
          . ~/.bash_aliases
      fi
      if ! shopt -oq posix; then
        if [ -f /usr/share/bash-completion/bash_completion ]; then
          . /usr/share/bash-completion/bash_completion
        elif [ -f /etc/bash_completion ]; then
          . /etc/bash_completion
        fi
      fi

  - path: /etc/gitconfig
    content: |
      #
      [push]
              default = simple
      [pull]
              rebase = true
      [user]
              email = yourmail@domain
              name = you
      [alias]
              ci=commit
              st=status
              co=checkout
              ad=add -A
              di=diff
              br=branch
              cp=cherry-pick
              log2=log --graph --oneline --decorate
              it = !git init && git commit -m “root” --allow-empty
              commend = commit --amend --no-edit
apt:
  sources:
    docker.list:
      source: deb [arch=amd64] https://download.docker.com/linux/debian $RELEASE stable
      keyid: 9DC858229FC7DD38854AE2D88D81803C0EBFCD88

apt_update: true
apt_upgrade: true

groups:
  - cloud-users
  - docker

users:
  - name: vmail
    system: true
    homedir: /var/vmail/
    groups: vmail
  - default
  - name: you
    gecos: you
    shell: /bin/bash
    primary_group: you
    groups: sudo, docker, cloud-users, vmail
    lock_passwd: false
    passwd: $6$bzzbzzbzzzzzzz.
packages:
  - ca-certificates
  - apt-transport-https
  - gnupg-agent
  - software-properties-common
  - curl
  - rsync
  - telnet
  - sudo
  - byobu
  - iptables-persistent
  - ntp
  - git
  - python3
  - postfix-doc
  - opendkim-tools
  - bind9-utils
  - mariadb-client
  - docker-ce
  - docker-ce-cli
  - containerd.io

runcmd:
  - systemctl daemon-reload
  - mkdir /home/you/.ssh/
  - cp /root/.ssh/authorized_keys /home/you/.ssh/authorized_keys
  - chown -R you:you /home/you/
  - systemctl enable docker
  - systemctl start docker

phone_home:
    url: https://changeme-infra-phonehome.functions.fnc.fr-par.scw.cloud
    post: all
    tries: 10