Dokploy

Chatto (single binary)

A fully-featured real-time chat application for teams and communities. This template deploys the single Chatto binary with embedded NATS. Note: email/password registration requires SMTP to be configured after deployment; voice/video calls are not included in the single-binary setup.

Chatto (single binary) logo

Configuration

version: "3.8"

services:
  chatto:
    image: ghcr.io/chattocorp/chatto:0.3.8
    restart: unless-stopped
    expose:
      - "4000"
    environment:
      CHATTO_WEBSERVER_URL: https://${CHATTO_HOST}
      CHATTO_WEBSERVER_PORT: "4000"
      CHATTO_WEBSERVER_COOKIE_SIGNING_SECRET: ${CHATTO_COOKIE_SECRET}
      CHATTO_CORE_SECRET_KEY: ${CHATTO_CORE_SECRET}
      CHATTO_CORE_ASSETS_SIGNING_SECRET: ${CHATTO_ASSETS_SECRET}
      CHATTO_NATS_EMBEDDED_ENABLED: true
      CHATTO_NATS_EMBEDDED_DATA_DIR: /data
      CHATTO_OWNERS_EMAILS: ${CHATTO_OWNER_EMAIL}
      CHATTO_SMTP_ENABLED: ${CHATTO_SMTP_ENABLED:-false}
      CHATTO_SMTP_HOST: ${CHATTO_SMTP_HOST:-}
      CHATTO_SMTP_PORT: ${CHATTO_SMTP_PORT:-587}
      CHATTO_SMTP_TLS: ${CHATTO_SMTP_TLS:-mandatory}
      CHATTO_SMTP_USERNAME: ${CHATTO_SMTP_USERNAME:-}
      CHATTO_SMTP_PASSWORD: ${CHATTO_SMTP_PASSWORD:-}
      CHATTO_SMTP_FROM: ${CHATTO_SMTP_FROM:-}
    volumes:
      - chatto-data:/data

volumes:
  chatto-data:
[variables]
main_domain = "${domain}"
cookie_secret = "${hash:64}"
core_secret = "${hash:64}"
assets_secret = "${hash:64}"
owner_email = "${email}"

[config]
env = [
  "CHATTO_HOST=${main_domain}",
  "CHATTO_COOKIE_SECRET=${cookie_secret}",
  "CHATTO_CORE_SECRET=${core_secret}",
  "CHATTO_ASSETS_SECRET=${assets_secret}",
  "CHATTO_OWNER_EMAIL=${owner_email}",
]
mounts = []

[[config.domains]]
serviceName = "chatto"
port = 4000
host = "${main_domain}"

Base64

To import this template in Dokploy: create a Compose service → Advanced → Base64 import and paste the content below:

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Tags

chat, communication, messaging, self-hosted

Version: 0.3.8

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