Mattermost
★ 39.3kA self-hosted alternative to Discord, Microsoft Teams, Slack
GNU Affero General Public License v3.0Open Core — Some Features Paid15 Containers — 15 containers — heavy hosting footprintDocker · K8s · Helm +3No external DB4 documented maintainers
About
Mattermost is an open core collaboration platform designed for teams that want to self-host their communication and workflow stack. It provides a web-based interface and native clients for desktop...
Community Ratings
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Read recap →Weekly Recap — Oct 2, 2026 – Oct 9, 2026Oct 9, 2026
Features
- chat
- workflow automation
- voice calling
- screen sharing
- AI integration
- web interface
- native mobile apps
- desktop apps
- API integrations
- slash commands
Details
- Last Updated
- Oct 12, 2026
- Created
- Jun 15, 2015
- Install Methods
- dockerkuberneteshelmbinarypackage-managersource
- Requirements
- PostgreSQLGoReact
- API
- REST
- Runtime / Stack
- GoDockerK8S
- Privacy & Independence
- Cloud: Optional
- Deployment
Deployment: Docker Compose ✓15 Containers — heavy hosting footprintRuns as 15 containers
Run Mattermost with Docker Compose
Compose file from the Mattermost project repository.
15 services
no resource limits declared
server/build/docker-compose.yml · @ aa03fae · scanned Jun 4, 2026
services:
postgres:
extends:
file: docker-compose.common.yml
service: postgres
tmpfs: /var/lib/postgresql/data
minio:
extends:
file: docker-compose.common.yml
service: minio
azurite:
extends:
file: docker-compose.common.yml
service: azurite
inbucket:
extends:
file: docker-compose.common.yml
service: inbucket
openldap:
extends:
file: docker-compose.common.yml
service: openldap
elasticsearch:
extends:
file: docker-compose.common.yml
service: elasticsearch
opensearch:
extends:
file: docker-compose.common.yml
service: opensearch
redis:
extends:
file: docker-compose.common.yml
service: redis
dejavu:
extends:
file: docker-compose.common.yml
service: dejavu
keycloak:
extends:
file: docker-compose.common.yml
service: keycloak
prometheus:
extends:
file: docker-compose.common.yml
service: prometheus
grafana:
extends:
file: docker-compose.common.yml
service: grafana
loki:
extends:
file: docker-compose.common.yml
service: loki
otel-collector:
extends:
file: docker-compose.common.yml
service: otel-collector
start_dependencies:
image: mattermost/mattermost-wait-for-dep:latest
networks:
- mm-test
depends_on:
- postgres
- minio
- azurite
- inbucket
- openldap
- elasticsearch
- opensearch
- redis
command: postgres:5432 minio:9000 azurite:10000 inbucket:9001 openldap:389 elasticsearch:9200 opensearch:9201 redis:6379
networks:
mm-test:
driver: bridge
This file may be out of date. Check the Mattermost documentation for current setup steps.
Open-source health
FOSS with issues
agplv3-mixedcopyleft-claopen-washingopen-corepoisoned-sourcevc-fundingcomplex-licensingsso-taxunclear-foss-offering
Source: isitreallyfoss.com · reviewed Jun 2025
Tags
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Metadata extracted from README on Mar 25, 2026
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