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Docker-Installation.md

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Docker Installation

Consul, Vault and Nomad can run in one Docker container with host networking mode with these settings:

docker run --detach \
  --name cluster \
  --restart always \
  --privileged \
  --net host \
  --env USERID=123 \
  --env GROUPID=456 \
  --env DOCKERGROUPID=789 \
  --volume /var/run/docker.sock:/var/run/docker.sock \
  --volume "$PWD:$PWD" \
  --workdir "$PWD" \
  liquidinvestigations/cluster

You need to provide cluster.ini (there is one in examples/) and UID/GIDs for the user that's running the container. Of course, the user (which should be different from root) needs to be in the docker group, and the GID of that group should be set as the env DOCKERGROUPID.

The volume path ./var has to be the same both inside and outside the Docker container. This is because both Nomad running inside the container and the host dockerd access the data directory using the path inside the container.

Example usage: ci/test-docker.sh

Options using bin/docker.sh

You can use these additional options to modify the docker based startup procedure as used in the Quick Start section above:

  • --name container name (default: cluster)
  • --image image (default: liquidinvestigations/cluster)
  • --rm remove docker container first (default: don't remove container)
  • --pull pull image
  • --no-nohang ignore nohang dependency requirement To perform an update, run:
./bin/docker.sh --rm --pull