dcomp - accesses docker-containers from any directory, while keeping the directory (with bash-completion!)

.bashrc

#!/bin/bash

# stuff

if [ -f "/.docker-pwd" ]; then
    cd $(cat /.docker-pwd) > /dev/null 2> /dev/null
fi

# other stuff

alpine_install.sh

#!/bin/sh

if [ "$1" = "edge" ]; then
    export ALPINE_VERSION="$1"
else
    export ALPINE_VERSION="v$1"
fi
cd /etc/apk
ln -s /var/cache/apk cache
cat > /etc/apk/repositories <<EOF
/home/ganwell/packages/community
/home/ganwell/packages/main
/home/ganwell/packages/testing
http://dl-cdn.alpinelinux.org/alpine/$ALPINE_VERSION/main
http://dl-cdn.alpinelinux.org/alpine/$ALPINE_VERSION/community
@test http://dl-cdn.alpinelinux.org/alpine/$ALPINE_VERSION/testing
EOF
apk update
apk upgrade
apk fix
apk add sudo abuild alpine-sdk ccache bash python3 ncurses || exit 1
mkdir -p /usr/local/bin
cat >> /etc/sudoers <<EOF
ganwell  ALL = NOPASSWD: /sbin/apk
EOF
rm -rf /var/cache/apk/*
rm /alpine_install.sh

bashcompletion.sh

#!/bin/bash

function _docker_compose_cd {
    pushd "$PWD" > /dev/null
    cd "$HOME/compose"
    _docker_compose
    popd > /dev/null
}
complete -F _docker_compose_cd dcomp

centos_install.sh

#!/bin/sh

set -e

yum -y upgrade
yum -y groupinstall "Development Tools"
yum -y install epel-release
yum -y install python36
ln -s /usr/bin/python36 /usr/bin/python3
set +e
localedef -v -c -i de_CH -f UTF-8 de_CH.UTF-8 > /dev/null 2> /dev/null
localedef -v -c -i en_US -f UTF-8 en_US.UTF-8 > /dev/null 2> /dev/null
rm /centos_install.sh

dcomp

#!/bin/sh

echo "$PWD" > /dev/shm/.docker-pwd
export DOCKER_HOSTNAME="$(hostname)"
export DOCKER_UID="$(id -u):$(id -g)"
cd "$HOME/compose"
exec docker-compose "$@"

debian_install.sh

#!/bin/sh

export DEBIAN_FRONTEND=noninteractive
apt-get update
apt-get upgrade -y
apt-get install -y locales build-essential vim-nox git python3 bash-completion
apt-get clean
echo de_CH.UTF-8 UTF-8 >> /etc/locale.gen
echo en_US.UTF-8 UTF-8 >> /etc/locale.gen
locale-gen
rm /debian_install.sh

docker-compose.yml

version: '3.4'
x-default-conf:
  &default-conf
  user: ${DOCKER_UID}
  hostname: ${DOCKER_HOSTNAME}
  tty: true
x-default-env:
  &default-env
  XAUTHORITY: ${XAUTHORITY}
  TERM: ${TERM}
  DISPLAY: ${DISPLAY}
  QT_X11_NO_MITSHM: 1
  XDG_SESSION_COOKIE: ${XDG_SESSION_COOKIE}
x-default-vol:
  &default-vol
  - /dev/shm/.docker-pwd:/.docker-pwd:ro
  - /etc/passwd:/etc/passwd:ro
  - /etc/group:/etc/group:ro
  - /tmp/.X11-unix:/tmp/.X11-unix
  - ${HOME}:${HOME}
x-alpine-vol:
  &alpine-vol
  - /dev/shm/.docker-pwd:/.docker-pwd:ro
  - /etc/passwd:/etc/passwd:ro
  - /etc/group:/etc/group:ro
  - /tmp/.X11-unix:/tmp/.X11-unix
  - /var/cache/apk:/var/cache/apk
  - /etc/apk/keys:/etc/apk/keys
  - ${HOME}:${HOME}

services:
  alpine_latest:
    build:
      context: .
      dockerfile: docker_alpine
      args:
        - DIST_VERSION=3.8
    << : *default-conf
    environment:
      << : *default-env
      SHELLTOKEN: alpine-3.8
    volumes: *alpine-vol

  alpine_edge:
    build:
      context: .
      dockerfile: docker_alpine
      args:
        - DIST_VERSION=edge
    user: ${DOCKER_UID}
    hostname: ${DOCKER_HOSTNAME}
    tty: true
    environment:
      << : *default-env
      SHELLTOKEN: alpine-edge
    volumes: *alpine-vol

  debian_sid:
    build:
      context: .
      dockerfile: docker_debian
      args:
        - DIST_VERSION=sid
    << : *default-conf
    environment:
      << : *default-env
      SHELLTOKEN: debian-sid
    volumes:
      - /etc/passwd:/etc/passwd:ro
      - /etc/group:/etc/group:ro
      - /tmp/.X11-unix:/tmp/.X11-unix
      - ${HOME}:${HOME}

  debian_stretch:
    build:
      context: .
      dockerfile: docker_debian
      args:
        - DIST_VERSION=stretch
    << : *default-conf
    environment:
      << : *default-env
      SHELLTOKEN: debian-stretch
    volumes: *default-vol

  debian_buster:
    build:
      context: .
      dockerfile: docker_debian
      args:
        - DIST_VERSION=buster
    << : *default-conf
    environment:
      << : *default-env
      SHELLTOKEN: debian-buster
    volumes: *default-vol

  centos7:
    build:
      context: .
      dockerfile: docker_centos
      args:
        - DIST_VERSION=7
    << : *default-conf
    environment:
      << : *default-env
      SHELLTOKEN: centos7
    volumes: *default-vol

docker_alpine

ARG DIST_VERSION=latest
FROM alpine:$DIST_VERSION
ADD alpine_install.sh /
ARG DIST_VERSION
RUN /alpine_install.sh $DIST_VERSION
ENTRYPOINT ["/bin/bash"]

docker_centos

ARG DIST_VERSION=7
FROM centos:$DIST_VERSION
ADD centos_install.sh /
RUN /centos_install.sh
ENTRYPOINT ["/bin/bash"]

docker_debian

ARG DIST_VERSION=sid
FROM debian:$DIST_VERSION-slim
ADD debian_install.sh /
RUN /debian_install.sh
ENTRYPOINT ["/bin/bash"]

xcompose-dir.sh

# the contents of the compose-dir:

$> ls $HOME/compose/ | cat
alpine_install.sh
centos_install.sh
debian_install.sh
docker-compose.yml
docker_alpine
docker_bger
docker_centos
docker_debian

xprompt.sh

# the shelltoken stuff is intermixed with my own prompt, just take what you want
# goes to .bashrc too

__env_ps1 ()
{
    if command -v git >/dev/null; then
	    local git="$(git symbolic-ref HEAD 2>/dev/null)";
    fi
    printf "[${git##refs/heads/}]";
}
if [ ! -z "$SHELLTOKEN" ]; then
    export SHELLTOKEN="$SHELLTOKEN "
fi
export -f __env_ps1
export PS1="\[\033[00;34m\]$SHELLTOKEN\[\033]0;\u@\h: \w\007\]\[\033[00;32m\]\u\[\033[00;37m\]@\h \[\033[00;34m\]\w \$(__env_ps1  )\n\[\033[00;33m\]\$> \[\033[00m\]"

xrunasroot

dcomp exec -u 0 centos7 bash