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 usingxhost +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.
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
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
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
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.
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 ([email protected])
July 2014
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