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Meshcentral Docker

Repository for building meshcentral images in docker

docker run -p 80:80 -p 443:443 ghcr.io/gurucomputing/meshcentral-docker

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Meshcentral Summary

Meshcentral is a remote management and monitoring (RMM) system designed to run in a web browser. Meshcentral supports Linux, Windows, MacOS, and (to a certain extent) Android.

Meshcentral is developed by a separate team: their repository can be found at https://github.com/Ylianst/MeshCentral. This repository is unaffiliated and meant for a docker deployment of the platform.

Meshcentral Documentation

For advanced configurations, you can modify the config.json that will be generated at /meshcentral/meshcentral-data. You can use the following resources for more information:

Docker Container Features

  • Nightly automated builds thanks to github actions
  • Environment Variables for different starting configurations
  • Non-Root container by default
  • Volumes will automatically adjust file permissions to the docker user

Docker Container Changelog

These mark changes to how the docker container operates. The version description defines where the change in question took place. Versions before the change will not be affected.

Version Change
0.9.52 initialization script will now perform additional checks regarding file permissions before resorting to overwriting file ownership

Docker Tags

If you want to stay on the bleeding edge, the latest tag will follow all version updates from the upstream Meshcentral (checked daily). Meshcentral is highly maintained and sees nearly daily updates.

If you are looking for a production or stable experience, the stable tag will follow any versions marked stable within the node repository for Meshcentral.

Container Defaults

  • Ports are 80/443
  • Certificates are self signed and generated on first boot
    • Signed certificates can be provided by a reverse proxy (example given in documentation) or by editing config.json
  • Database is an embedded database by default (NeDB)
    • Database can be changed to mongodb using environment variables or editing config.json in meshcentral-data. Recommended for production.
  • Container will run as the node user, with a UID of 1000 and GID of 1000

Environment Variables

The docker image can take multiple environment variables as arguments. All environment variables are optional.

Environment variables will only apply on first run, when no config.json file is present. If the config.json file already exists, environment variables will have no effect.

Variable Description Example
MONGODB_URL url to mongo database mongodb://meshcentral-db:27017
MONGODB_NAME database name meshcentral
DB_ENCRYPT_KEY secret/key to encrypt the mongodb database ${DB_ENCRYPT_KEY}
AGENT_PORT optional port for agents to connect on 8800
CERT dns name for your server, needed for trusted TLS connections mesh.mydomain.com

Volumes

There are three volumes in question for persistent data:

Volume Description
/meshcentral/meshcentral-data Main configuration folder, holds config.json, all certs, and the embedded db (if in use)
/meshcentral/meshcentral-files folder that holds files uploaded to the meshcentral server
/meshcentral/meshcentral-backup automated database backs will reside in this folder

Examples

Example docker-compose files can be found in the repository. For your convenience, the three most common examples are here:

Example 1: Simple Configuration

Most basic meshcentral configuration

version: '2'
services:
  meshcentral:
    container_name: meshcentral
    image: ghcr.io/gurucomputing/meshcentral-docker:latest
    restart: "always"
    volumes:
      - ./container-data/meshcentral-data:/meshcentral/meshcentral-data
      - ./container-data/meshcentral-files:/meshcentral/meshcentral-files
      - ./container-data/meshcentral-backup:/meshcentral/meshcentral-backup
      - /etc/localtime:/etc/localtime:ro
    ports:
      - 80:80
      - 443:443

Example 2: using MongoDB for Backend

initialize a meshcentral container with mongodb

version: '2'
# This is example 2 from the documentation
services:
  meshcentral:
    container_name: meshcentral
    image: ghcr.io/gurucomputing/meshcentral-docker:latest
    restart: "always"
    volumes:
      - ./container-data/meshcentral-data:/meshcentral/meshcentral-data
      - ./container-data/meshcentral-files:/meshcentral/meshcentral-files
      - ./container-data/meshcentral-backup:/meshcentral/meshcentral-backup
      - /etc/localtime:/etc/localtime:ro
    environment:
      - MONGODB_URL=mongodb://meshcentral-db:27017
      - MONGODB_NAME=meshcentral
      - DB_ENCRYPT_KEY=${DB_ENCRYPT_KEY}
    ports:
      - 80:80
      - 443:443
    networks:
      - meshcentral-nw
  meshcentral-db:
    container_name: meshcentral-db
    image: mongo:latest
    restart: "always"
    volumes:
      - ./container-data/db:/data/db
      - /etc/localtime:/etc/localtime:ro
    # ports:
    #   - 27017:27017
    networks:
      - meshcentral-nw

networks:
  meshcentral-nw:

Also create a .env file for your secrets:

DB_ENCRYPT_KEY=mysecretpassword

Example 3: Advanced Config with MongoDB, Agent Port, and Caddy Reverse Proxy

A full solution including an separate port for agent connections and caddy for reverse proxying and let's encrypt. This assumes port 80, 443, and 8800 are all forwarded from the docker host to the web (otherwise let's encrypt will fail)

version: '2'
# This is example 3 from the documentation
services:
  meshcentral:
    container_name: meshcentral
    image: ghcr.io/gurucomputing/meshcentral-docker:latest
    restart: "always"
    volumes:
      - ./container-data/meshcentral-data:/meshcentral/meshcentral-data
      - ./container-data/meshcentral-files:/meshcentral/meshcentral-files
      - ./container-data/meshcentral-backup:/meshcentral/meshcentral-backup
      - /etc/localtime:/etc/localtime:ro
    environment:
      - MONGODB_URL=mongodb://meshcentral-db:27017
      - MONGODB_NAME=meshcentral
      - DB_ENCRYPT_KEY=${DB_ENCRYPT_KEY}
      - AGENT_PORT=8800
      - CERT=mesh.mydomain.com
    ports:
      - 8800:8800
      # - 80:80
      # - 443:443
    networks:
      - meshcentral-nw
      - reverseproxy-nw
  meshcentral-db:
    container_name: meshcentral-db
    image: mongo:latest
    restart: "always"
    volumes:
      - ./container-data/db:/data/db
      - /etc/localtime:/etc/localtime:ro
    # ports:
    #   - 27017:27017
    networks:
      - meshcentral-nw
  meshcentral-proxy:
    container_name: meshcentral-proxy
    image: caddy:latest
    restart: "always"
    volumes:
      - ./caddy/Caddyfile:/usr/share/caddy/Caddyfile
    ports:
      - 80:80
      - 443:443
    networks:
      - reverseproxy-nw

networks:
  meshcentral-nw:
  reverseproxy-nw:

Include your .env file of course:

DB_ENCRYPT_KEY=mysecretpassword

And include your Caddyfile under caddy/Caddyfile

https://mesh.mydomain.com {
  reverse_proxy https://meshcentral:443 {
    transport http {
      tls_insecure_skip_verify
    }
  }
}

Additional Notes

SE-Linux Based Environments

If you are using an SE-Linux based environment (such as Fedora, CentOS, or equivalent), docker will deny file permissions in bind mounts. You must relabel or explicitly tell docker to ignore file labelling. You can ignore file labelling by adding the following to your service:

services:
  meshcentral:
    security_opt:
      - label:disable

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