My Bash tweeks for Docker and Drupal

.bash_profile

# Customize bash prompt to print current GIT branch and Docker Machine name.
export PSORIG="\u \W \$ "
function CUSTOMPROMPT() {
    BRANCH="$(git branch 2>/dev/null | grep '*' | cut -d" " -f2-)"
    if [ -n "$BRANCH" ] ; then
        export PS1=$PSORIG$(echo -en "\[\033[01;33m\]$BRANCH > \[\033[00m\]")
    else
        export PS1="$PSORIG"
    fi

    if [ -n "$DOCKER_MACHINE_NAME" ] ; then
    	export PS1=$PS1$(echo -en "\[\033[00;36m\]$DOCKER_MACHINE_NAME > \[\033[00m\]")
    fi

    update_terminal_cwd
}
PROMPT_COMMAND="CUSTOMPROMPT; $PROMPT_COMMAND"

# Set env variables for Docker Machine
function dmenv() {
    VM=${1}
    # docker-machine start $VM
    eval $(docker-machine env $VM)
}

# Dockers stats with container names
function dstats() {
    docker stats $(docker ps --format '{{.Names}}')
}

# Get login link for Drupal superuser
function uli() {
    dsh "" "" "drush uli"
}

# Open shell into app or php service of current Docker Compose project
# dsh [service] [user] [command]
function dsh() {
    USER=${2:-www-data}
    SERVICE=${1}
    PROJECT=$(pwd | rev | cut -d '/' -f1 | rev | sed 's/[^a-zA-Z0-9]//g')

    if [[ $SERVICE ]]; then
        CONTAINER=${PROJECT}_${SERVICE}_1
    elif [[ $(docker ps | grep ${PROJECT}_php_1) ]]; then
        CONTAINER=${PROJECT}_php_1
    else
        CONTAINER=${PROJECT}_web_1
    fi

    docker exec -itu $USER $CONTAINER ${3:-bash}
}

# Database dump from Drupal project
function ddump() {
    FILE=${1:-dump.sql.gz}
    dsh "" "" "drush sql-dump --gzip" > $FILE
}

Updated for ZSH: https://gist.github.com/iBobik/6499a52fc2f9f86f2c331042d1ca74cd