Comprehensive side-by-side technical comparison between Zulip and Mattermost.

version: '3.8'

services:
  zulip:
    image: zulip/docker-zulip:latest
    restart: unless-stopped
    ports:
      - "${PORT:-8080}:80"
    environment:
      - SETTING_EXTERNAL_HOST=localhost:${PORT:-8080}
      - [email protected]
      - SECRETS_email_password=${EMAIL_PASS:-secret}
    volumes:
      - zulip_data:/data

volumes:
  zulip_data:

version: "3.8"
services:
  mattermost:
    image: mattermost/mattermost-team-edition:latest
    container_name: mattermost-app
    restart: unless-stopped
    ports:
      - "${PORT:-8065}:8065"
    environment:
      MM_SQLSETTINGS_DRIVERNAME: postgres
      MM_SQLSETTINGS_DATASOURCE: postgres://mmuser:${DB_PASSWORD:-mm_pwd}@postgres:5432/mattermost?sslmode=disable&connect_timeout=10
    depends_on:
      - postgres
  postgres:
    image: postgres:14-alpine
    container_name: mattermost-postgres
    restart: unless-stopped
    environment:
      POSTGRES_USER: mmuser
      POSTGRES_PASSWORD: ${DB_PASSWORD:-mm_pwd}
      POSTGRES_DB: mattermost
    volumes:
      - mm_pg_data:/var/lib/postgresql/data
volumes:
  mm_pg_data: