Octave in a docker container

README.md

Octave in a docker container

Usage

> git clone https://gist.github.com/tarao/e3bfd803b646a7b7638c octave
> octave/build
> octave/run

build

#!/bin/sh

TAG="${DOCKER_TAG:-octave}"
DIR="$(cd $(dirname "$0"); pwd)"
docker build -t "$TAG" "$@" "$DIR"

Dockerfile

FROM debian:jessie

RUN apt-get update && apt-get install -yq less sudo octave && apt-get clean
COPY entrypoint.sh /
ENTRYPOINT [ "/entrypoint.sh" ]

entrypoint.sh

#!/bin/sh

DOCKER_USER="${DOCKER_USER:-$(id -nu)}"
[ -n "$DOCKER_UID" ] && [ -n "$DOCKER_GID" ] && {
    addgroup --gid "$DOCKER_GID" "$DOCKER_USER"
    adduser --no-create-home --disabled-password --gecos "" \
        --uid "$DOCKER_UID" \
        --gid "$DOCKER_GID" \
        \
        "$DOCKER_USER"
}

sudo -u "$DOCKER_USER" DISPLAY="$DISPLAY" XAUTHORITY="$XAUTHORITY" octave

run

#!/bin/sh

NAME="${DOCKER_NAME:-octave}"
TAG="${DOCKER_TAG:-octave}"
DOCKER_USER="$(id -nu)"
DOCKER_UID="$(id -ru)"
DOCKER_GID="$(id -rg)"

XSOCK=/tmp/.X11-unix

DISPLAY_HOST="$(echo "$DISPLAY" | cut -f 1 -d:)"
[ -n "$DISPLAY_HOST" ] && {
    DISPLAY_NUMBER="$(echo "$DISPLAY" | cut -f 2 -d:)"
    DISPLAY_IP="$(getent hosts "$DISPLAY_HOST" | tr -s '' '' | cut -f 1 -d ' ')"
    DISPLAY="$DISPLAY_IP:$DISPLAY_NUMBER"
}

docker run -ti --rm --name "$NAME" \
    -e "DOCKER_USER=$DOCKER_USER" \
    -e "DOCKER_UID=$DOCKER_UID" \
    -e "DOCKER_GID=$DOCKER_GID" \
    -v /home:/home \
    -v "$XSOCK:$XSOCK" \
    -e "DISPLAY=$DISPLAY" \
    "$@" \
    "$TAG"