This image containerizes the Coturn server to setup a STUN/TURN gateway for VoIP traffic as a micro service.
Based on Alpine Linux from my alpine-s6 image with the s6 init system overlayed in it.
The image is tagged respectively for the following architectures,
- armhf
- armv7l
- aarch64
- x86_64 (retagged as the
latest)
non-x86_64 builds have embedded binfmt_misc support and contain the qemu-user-static binary that allows for running it also inside an x86_64 environment that has it.
Pull the image for your architecture it's already available from Docker Hub.
# make pull
docker pull woahbase/alpine-coturn:x86_64
-
Config file loaded from
/var/lib/coturn/turnserver.confedit or remount this with your own. A default is provided which is auto loaded if there aren't any config file to start with. -
Data stored at
/var/lib/coturn. -
Default configuration listens to ports
3478and5349(TLS), for the latter, you need to update the location where your certs are in the config file.
If you want to run images for other architectures, you will need to have binfmt support configured for your machine. multiarch, has made it easy for us containing that into a docker container.
# make regbinfmt
docker run --rm --privileged multiarch/qemu-user-static:register --reset
Without the above, you can still run the image that is made for your architecture, e.g for an x86_64 machine..
This images already has a user alpine configured to drop
privileges to the passed PUID/PGID which is ideal if its used
to run in non-root mode. That way you only need to specify the
values at runtime and pass the -u alpine if need be. (run id
in your terminal to see your own PUID/PGID values.)
Running make starts the service.
# make
docker run --rm -it \
--name docker_coturn --hostname coturn \
-c 256 -m 256m \
-e PGID=1000 -e PUID=1000 \
-p 5349:5349/udp -p 3478:3478/udp \
-p 5349:5349/tcp -p 3478:3478/tcp \
-v /etc/hosts:/etc/hosts:ro \
-v /etc/localtime:/etc/localtime:ro \
-v data:/var/lib/coturn \
woahbase/alpine-coturn:x86_64
Stop the container with a timeout, (defaults to 2 seconds)
# make stop
docker stop -t 2 docker_coturn
Removes the container, (always better to stop it first and -f
only when needed most)
# make rm
docker rm -f docker_coturn
Restart the container with
# make restart
docker restart docker_coturn
Get a shell inside a already running container,
# make debug
docker exec -it docker_coturn /bin/bash
set user or login as root,
# make rdebug
docker exec -u root -it docker_coturn /bin/bash
To check logs of a running container in real time
# make logs
docker logs -f docker_coturn
If you have the repository access, you can clone and build the image yourself for your own system, and can push after.
Before you clone the repo, you must have Git, GNU make, and Docker setup on the machine.
git clone https://github.com/woahbase/alpine-coturn
cd alpine-coturn
You can always skip installing make but you will have to type the whole docker commands then instead of using the sweet make targets.
You need to have binfmt_misc configured in your system to be able to build images for other architectures.
Otherwise to locally build the image for your system.
[ARCH defaults to x86_64, need to be explicit when building
for other architectures.]
# make ARCH=x86_64 build
# sets up binfmt if not x86_64
docker build --rm --compress --force-rm \
--no-cache=true --pull \
-f ./Dockerfile_x86_64 \
--build-arg DOCKERSRC=woahbase/alpine-s6:x86_64 \
--build-arg PGID=1000 \
--build-arg PUID=1000 \
-t woahbase/alpine-coturn:x86_64 \
.
To check if its working..
# make ARCH=x86_64 test
docker run --rm -it \
--name docker_coturn --hostname coturn \
-e PGID=1000 -e PUID=1000 \
--entrypoint sh \
woahbase/alpine-coturn:x86_64 \
-ec 'turnserver -h;'
And finally, if you have push access,
# make ARCH=x86_64 push
docker push woahbase/alpine-coturn:x86_64
Sources at Github. Built at Travis-CI.org (armhf / x64 builds). Images at Docker hub. Metadata at Microbadger.
Maintained by WOAHBase.
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