node-red-contrib-dockerode 0.14.0
node-red nodes to communicate with docker
This Node RED module connects Docker with Node-RED.
Node-RED is a tool for wiring together hardware devices, APIs and online services in new and interesting ways.
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:cloud: Installation
First of all install Node-RED
:yum: How to contribute
- git clone https://github.com/naimo84/node-red-contrib-dockerode.git
- cd node-red-contrib-dockerode
- npm install
- gulp
- cd ~/.node-red
- npm install /path/to/node-red-contrib-dockerode
Usage
Configuration:
docker.sock
- Using Node-RED in a Docker-Container
The Node-RED container must have access to the docker.sock, so you have to add the docker-group ID to the container with
docker run ... --group-add 250the ID 250 may be different on your system.
Exposing TCP-Daemon port
- hostname hostname of docker (e.g. "localhost")
- port port of docker (e.g. "2375")
In order to expose the docker-engine TCP daemon, you have to do the following:
- Docker for Windows / Docker Desktop:
Under Settings / General check "Expose daemon on tcp://localhost:2375 without TLS"
- Docker-CE
See https://success.docker.com/article/how-do-i-enable-the-remote-api-for-dockerd
or:
# File: /etc/default/docker
# Use DOCKER_OPTS to modify the daemon startup options.
#DOCKER_OPTS=""
DOCKER_OPTS="-H tcp://127.0.0.1:2375 -H unix:///var/run/docker.sock"
or:
# File: /lib/systemd/system/docker.service
ExecStart=/usr/bin/docker daemon -H fd:// -H tcp://0.0.0.0:2375
