A docker project that will run your QGIS desktop app inside a docker container
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README.md

QGIS Desktop for Docker

A simple docker container that runs QGIS desktop

Note: this is still experimental and probably does not represent the most optimal way to do this. Current limitations:

  • Qt4 theme is not carried over nicely
  • Uses xhost + which is not ideal since it allows all remote hosts to display windows on your X display (probably not an issue if you are on a local network). Note: See #16 - you can avoid using xhost + by running the script at the docker user. You will need to modify my scripts accordingly.
  • To use in Mac OS X docker host environment, you need to install an X11 server like XQuartz and SOCAT to tunnel the connection.

This image is also the base image for the QGIS-Server docker image.

License

GPL V2

Example use with docker compose

Here is a contrived example showing how you can run QGIS Desktop from in a docker container using docker-compose. Note you may need to run xhost + first. Example docker-compose follows:

db:
  image: kartoza/postgis:9.4-2.1
  environment:
    - USERNAME=docker
    - PASS=docker
  
qgisdesktop:
  image: kartoza/qgis-desktop:2.14
  hostname: qgis-server
  volumes:
    # Wherever you want to mount your data from
    - ./gis:/gis
    # Unix socket for X11
    - /tmp/.X11-unix:/tmp/.X11-unix
  links:
    - db:db
  environment: 
    - DISPLAY=unix:1
  command: /usr/bin/qgis

To run the example do:

docker-compose up

You should see QGIS start up and appear on your local display. For more detailed approaches to using and building the QGIS container, see below.

Note: The database in the above example is stateless (it will be deleted when running docker-compose rm). If you want to connect to the PG database from docker use the following info:

  • host: db
  • database: gis
  • user: docker
  • password: docker

Getting the image

Use the docker repository:

This will consume the most bandwidth for the initial build but will be easy to update thereafter.

docker pull kartoza/qgis-desktop

You will also need to create the desktop shortcut yourself by taking the resources from the git repo e.g.:

sudo cp run-qgis-master-in-docker.sh /usr/local/bin
sudo cp QGIS-2.8.Docker.desktop /usr/share/applications/
sudo cp qgis-icon-60x60.png /usr/local

Build the image yourself:

Clone the repo to your local system and then run the build.sh script - it will create a launcher script in /usr/local/bin and create a desktop shortcut that will launch QGIS.

git clone git://github.com/kartoza/docker-qgis-desktop
# cd into one of the version directories
cd docker-qgis-desktop/master
./build.sh

Alternative build:

To build the image do:

docker build -t kartoza/qgis-desktop git://github.com/kartoza/docker-qgis-desktop

If you follow this approach you will need to create the application launcher yourself, manually. Consult the sources in this repository for more details on how to do that.

Run a container

To run a container do (see alternative approach to doing this using docker-compose at the top of this document):

xhost +
# Users home is mounted as home
# --rm will remove the container as soon as it ends

docker run --rm --name="qgis-desktop-master" \
	-i -t \
	-v ${HOME}:/home/${USER} \
	-v /tmp/.X11-unix:/tmp/.X11-unix \
	-e DISPLAY=unix$DISPLAY \
	kartoza/qgis-desktop:latest 
xhost -

The above is the content of run-qgis-master-in-docker.sh so you can just

./run-qgis-master-in-docker.sh

Follow the instructions above to create a desktop shortcut. Then, when you click on the QGIS icon this script will run and start the container.

Note that your home directory will be mounted in the container and thus accessible to QGIS. If you want other directories to be available, just add then to run-qgis-in-docker.sh with -v flags.

If QGIS crashes or hangs it might leave an orphan docker process running. If you see the process with

docker ps

Then run

docker stop <process id or container name>

Else run

docker ps -a

then

docker rm <process id or container name>



-----------

Tim Sutton (tim@kartoza.com)
July 2014