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feat(lab-03): Mattermost Advanced -- MinIO S3, resource limits, file size, perf tuning
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‎.github/workflows/ci.yml‎

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- name: Cleanup
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if: always()
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run: docker compose -f docker/docker-compose.lan.yml down -v
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lab-03-smoke:
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name: Lab 03 - Mattermost Advanced (resource limits, file size, perf tuning)
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runs-on: ubuntu-latest
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needs: validate
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continue-on-error: true
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steps:
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- uses: actions/checkout@v4
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- name: Install tools
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run: sudo apt-get install -y curl
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- name: Validate advanced compose
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run: docker compose -f docker/docker-compose.advanced.yml config -q && echo "Advanced compose valid"
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- name: Start advanced stack
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run: docker compose -f docker/docker-compose.advanced.yml up -d
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- name: Wait for PostgreSQL
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run: timeout 60 bash -c 'until docker compose -f docker/docker-compose.advanced.yml exec -T db pg_isready -U mmuser -d mattermost; do sleep 3; done'
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- name: Wait for Mattermost API
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run: timeout 120 bash -c 'until curl -sf http://localhost:8065/api/v4/system/ping | grep -q status; do sleep 5; done'
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- name: Run Lab 07-03 test script
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run: bash tests/labs/test-lab-07-03.sh
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- name: Collect logs on failure
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if: failure()
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run: docker compose -f docker/docker-compose.advanced.yml logs
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- name: Cleanup
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if: always()
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run: docker compose -f docker/docker-compose.advanced.yml down -v

‎docker/docker-compose.advanced.yml‎

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# Lab 03 — Advanced Features: mattermost with TLS, resource limits, logging
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---
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# docker-compose.advanced.yml — Lab 07-03: Advanced Features
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# Mattermost with PostgreSQL, Redis, mailhog, MinIO S3 storage, resource limits
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name: mattermost-advanced
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services:
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mattermost:
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image: mattermost/mattermost-team-edition:9
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container_name: it-stack-mattermost
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db:
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image: postgres:16-alpine
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container_name: mm-adv-db
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environment:
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POSTGRES_DB: mattermost
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POSTGRES_USER: mmuser
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POSTGRES_PASSWORD: Lab03Password!
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volumes:
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- mm_adv_db:/var/lib/postgresql/data
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networks:
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- mm-data-net
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healthcheck:
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test: ["CMD-SHELL", "pg_isready -U mmuser -d mattermost"]
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interval: 10s
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timeout: 5s
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retries: 5
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start_period: 20s
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deploy:
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resources:
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limits:
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cpus: "0.5"
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memory: 512M
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restart: unless-stopped
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ports:
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- "8065:$firstPort"
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redis:
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image: redis:7-alpine
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container_name: mm-adv-redis
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command: redis-server --save 60 1 --maxmemory 128mb --maxmemory-policy allkeys-lru
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networks:
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- mm-data-net
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deploy:
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resources:
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limits:
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cpus: "0.25"
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memory: 192M
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restart: unless-stopped
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minio:
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image: minio/minio:RELEASE.2024-01-16T16-07-38Z
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container_name: mm-adv-minio
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command: server /data --console-address ":9001"
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environment:
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- IT_STACK_ENV=lab-03-advanced
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- TLS_ENABLED=true
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MINIO_ROOT_USER: minioadmin
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MINIO_ROOT_PASSWORD: Lab03Minio!
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ports:
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- "9000:9000"
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- "9001:9001"
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volumes:
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- mattermost_data:/var/lib/mattermost
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- ./certs:/etc/ssl/certs:ro
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- mm_adv_minio:/data
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networks:
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- mm-data-net
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healthcheck:
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test: ["CMD-SHELL", "curl -sf http://localhost:9000/minio/health/live"]
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interval: 15s
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timeout: 5s
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retries: 5
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start_period: 10s
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deploy:
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resources:
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limits:
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cpus: "2.0"
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memory: G
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logging:
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driver: json-file
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options:
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max-size: "100m"
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max-file: "5"
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cpus: "0.5"
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memory: 512M
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restart: unless-stopped
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smtp:
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image: mailhog/mailhog:v1.0.1
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container_name: mm-adv-smtp
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ports:
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- "8025:8025"
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networks:
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- it-stack-net
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- mm-app-net
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restart: unless-stopped
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networks:
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it-stack-net:
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driver: bridge
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mattermost:
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image: mattermost/mattermost-team-edition:9.3
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container_name: mm-adv-app
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ports:
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- "8065:8065"
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environment:
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MM_SQLSETTINGS_DRIVERNAME: postgres
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MM_SQLSETTINGS_DATASOURCE: "postgres://mmuser:Lab03Password!@db:5432/mattermost?sslmode=disable&connect_timeout=10"
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MM_EMAILSETTINGS_SMTPSERVER: smtp
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MM_EMAILSETTINGS_SMTPPORT: "1025"
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MM_EMAILSETTINGS_SENDEMAILNOTIFICATIONS: "true"
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MM_SERVICESETTINGS_SITEURL: "http://localhost:8065"
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MM_SERVICESETTINGS_READTIMEOUT: "300"
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MM_SERVICESETTINGS_WRITETIMEOUT: "300"
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MM_SERVICESETTINGS_MAXLOGINRETRIES: "3"
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MM_FILESETTINGS_DRIVERNAME: amazons3
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MM_FILESETTINGS_AMAZONS3ACCESSKEYID: minioadmin
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MM_FILESETTINGS_AMAZONS3SECRETACCESSKEY: Lab03Minio!
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MM_FILESETTINGS_AMAZONS3BUCKET: mattermost
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MM_FILESETTINGS_AMAZONS3ENDPOINT: "minio:9000"
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MM_FILESETTINGS_AMAZONS3SSL: "false"
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MM_FILESETTINGS_AMAZONS3PATHSTYLE: "true"
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MM_FILESETTINGS_MAXFILESIZE: "524288000"
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volumes:
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- mm_adv_config:/mattermost/config
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- mm_adv_logs:/mattermost/logs
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networks:
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- mm-app-net
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- mm-data-net
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depends_on:
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db:
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condition: service_healthy
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minio:
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condition: service_healthy
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healthcheck:
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test: ["CMD-SHELL", "curl -sf http://localhost:8065/api/v4/system/ping | grep -q status"]
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interval: 30s
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timeout: 10s
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retries: 10
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start_period: 60s
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deploy:
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resources:
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limits:
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cpus: "1.0"
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memory: 1G
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restart: unless-stopped
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volumes:
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mattermost_data:
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mm_adv_db:
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mm_adv_minio:
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mm_adv_config:
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mm_adv_logs:
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networks:
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mm-app-net:
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mm-data-net:

‎tests/labs/test-lab-07-03.sh‎

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#!/usr/bin/env bash
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# test-lab-07-03.sh — Lab 07-03: Advanced Features
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# Module 07: Mattermost team messaging
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# mattermost with TLS, resource limits, and production-grade configuration
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# test-lab-07-03.sh — Lab 07-03: Mattermost Advanced Features
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# Tests: resource limits, MaxFileSize, S3 storage, perf settings, MinIO
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set -euo pipefail
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LAB_ID="07-03"
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LAB_NAME="Advanced Features"
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MODULE="mattermost"
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COMPOSE_FILE="docker/docker-compose.advanced.yml"
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PASS=0
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FAIL=0
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PASS=0; FAIL=0
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pass() { echo " [PASS] $1"; PASS=$((PASS+1)); }
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fail() { echo " [FAIL] $1"; FAIL=$((FAIL+1)); }
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section() { echo; echo "=== $1 ==="; }
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MM_API="http://localhost:8065/api/v4"
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# ── Colors ────────────────────────────────────────────────────────────────────
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RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'
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CYAN='\033[0;36m'; NC='\033[0m'
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section "Container health"
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for c in mm-adv-db mm-adv-redis mm-adv-minio mm-adv-smtp mm-adv-app; do
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if docker inspect --format '{{.State.Running}}' "$c" 2>/dev/null | grep -q true; then
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pass "Container $c is running"
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else
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fail "Container $c is not running"
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fi
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done
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pass() { echo -e "${GREEN}[PASS]${NC} $1"; ((PASS++)); }
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fail() { echo -e "${RED}[FAIL]${NC} $1"; ((FAIL++)); }
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info() { echo -e "${CYAN}[INFO]${NC} $1"; }
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warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
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section "PostgreSQL connectivity"
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if docker compose -f "$COMPOSE_FILE" exec -T db pg_isready -U mmuser -d mattermost 2>/dev/null | grep -q "accepting"; then
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pass "PostgreSQL accepting connections"
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else
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fail "PostgreSQL not ready"
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fi
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echo -e "${CYAN}======================================${NC}"
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echo -e "${CYAN} Lab ${LAB_ID}: ${LAB_NAME}${NC}"
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echo -e "${CYAN} Module: ${MODULE}${NC}"
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echo -e "${CYAN}======================================${NC}"
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echo ""
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section "MinIO S3 health"
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MINIO_STATUS=$(curl -sf http://localhost:9000/minio/health/live 2>/dev/null; echo $?) || MINIO_STATUS=1
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if [ "$MINIO_STATUS" = "0" ]; then
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pass "MinIO S3 health endpoint reachable"
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else
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HTTP_MINIO=$(curl -sw '%{http_code}' -o /dev/null http://localhost:9000/minio/health/live 2>/dev/null) || HTTP_MINIO="000"
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if [ "$HTTP_MINIO" = "200" ]; then
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pass "MinIO S3 health endpoint HTTP 200"
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else
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fail "MinIO S3 health endpoint returned $HTTP_MINIO"
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fi
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fi
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# ── PHASE 1: Setup ────────────────────────────────────────────────────────────
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info "Phase 1: Setup"
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docker compose -f "${COMPOSE_FILE}" up -d
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info "Waiting 30s for ${MODULE} to initialize..."
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sleep 30
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section "Mattermost API ping"
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PING=$(curl -sf "$MM_API/system/ping" 2>/dev/null) || PING=""
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if echo "$PING" | grep -q "status"; then
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pass "Mattermost API /system/ping reachable"
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else
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fail "Mattermost API /system/ping failed"
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fi
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# ── PHASE 2: Health Checks ────────────────────────────────────────────────────
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info "Phase 2: Health Checks"
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section "Admin user creation"
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REGISTER=$(curl -sf -X POST "$MM_API/users" \
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-H "Content-Type: application/json" \
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-d '{"email":"admin@lab.local","username":"admin03","password":"Lab03Admin!","first_name":"Admin","last_name":"Lab03"}' 2>/dev/null) || REGISTER=""
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if echo "$REGISTER" | grep -q '"id"'; then
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pass "Admin user created"
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elif echo "$REGISTER" | grep -q "already"; then
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pass "Admin user already exists"
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else
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fail "Admin user registration failed: $REGISTER"
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fi
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if docker compose -f "${COMPOSE_FILE}" ps | grep -q "running\|Up"; then
39-
pass "Container is running"
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section "Admin login"
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TOKEN_RESP=$(curl -si -X POST "$MM_API/users/login" \
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-H "Content-Type: application/json" \
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-d '{"login_id":"admin03","password":"Lab03Admin!"}' 2>/dev/null) || TOKEN_RESP=""
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MM_TOKEN=$(echo "$TOKEN_RESP" | grep -i "^Token:" | awk '{print $2}' | tr -d '[:space:]') || MM_TOKEN=""
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if [ -n "$MM_TOKEN" ]; then
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pass "Admin login successful, token obtained"
4068
else
41-
fail "Container is not running"
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fail "Admin login failed"
4270
fi
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44-
# ── PHASE 3: Functional Tests ─────────────────────────────────────────────────
45-
info "Phase 3: Functional Tests (Lab 03 — Advanced Features)"
72+
section "MaxFileSize in container env"
73+
MM_ENV=$(docker inspect mm-adv-app --format '{{json .Config.Env}}' 2>/dev/null) || MM_ENV="[]"
74+
if echo "$MM_ENV" | grep -q "MM_FILESETTINGS_MAXFILESIZE=524288000"; then
75+
pass "MM_FILESETTINGS_MAXFILESIZE=524288000 set in container"
76+
else
77+
fail "MM_FILESETTINGS_MAXFILESIZE=524288000 not found in container env"
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fi
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47-
# TODO: Add module-specific functional tests here
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# Example:
49-
# if curl -sf http://localhost:8065/health > /dev/null 2>&1; then
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# pass "Health endpoint responds"
51-
# else
52-
# fail "Health endpoint not reachable"
53-
# fi
80+
section "Performance settings in container env"
81+
if echo "$MM_ENV" | grep -q "MM_SERVICESETTINGS_READTIMEOUT=300"; then
82+
pass "MM_SERVICESETTINGS_READTIMEOUT=300 set"
83+
else
84+
fail "MM_SERVICESETTINGS_READTIMEOUT=300 not found"
85+
fi
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if echo "$MM_ENV" | grep -q "MM_SERVICESETTINGS_MAXLOGINRETRIES=3"; then
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pass "MM_SERVICESETTINGS_MAXLOGINRETRIES=3 set"
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else
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fail "MM_SERVICESETTINGS_MAXLOGINRETRIES=3 not found"
90+
fi
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55-
warn "Functional tests for Lab 07-03 pending implementation"
92+
section "Resource limits check"
93+
MM_MEM=$(docker inspect mm-adv-app --format '{{.HostConfig.Memory}}' 2>/dev/null) || MM_MEM="0"
94+
if [ "$MM_MEM" = "1073741824" ]; then
95+
pass "mm-adv-app memory limit = 1G (1073741824 bytes)"
96+
else
97+
fail "mm-adv-app memory limit: expected 1073741824, got $MM_MEM"
98+
fi
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57-
# ── PHASE 4: Cleanup ──────────────────────────────────────────────────────────
58-
info "Phase 4: Cleanup"
59-
docker compose -f "${COMPOSE_FILE}" down -v --remove-orphans
60-
info "Cleanup complete"
100+
section "MaxFileSize via API config"
101+
if [ -n "$MM_TOKEN" ]; then
102+
CONFIG=$(curl -sf -H "Authorization: Bearer $MM_TOKEN" "$MM_API/config" 2>/dev/null) || CONFIG=""
103+
if echo "$CONFIG" | grep -q '"MaxFileSize":524288000'; then
104+
pass "API config MaxFileSize = 524288000"
105+
else
106+
fail "API config MaxFileSize not 524288000"
107+
fi
108+
else
109+
fail "Skipping API config check (no token)"
110+
fi
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62-
# ── Results ───────────────────────────────────────────────────────────────────
63-
echo ""
64-
echo -e "${CYAN}======================================${NC}"
65-
echo -e " Lab ${LAB_ID} Complete"
66-
echo -e " ${GREEN}PASS: ${PASS}${NC} | ${RED}FAIL: ${FAIL}${NC}"
67-
echo -e "${CYAN}======================================${NC}"
112+
section "S3 file settings via API"
113+
if [ -n "$MM_TOKEN" ] && [ -n "$CONFIG" ]; then
114+
if echo "$CONFIG" | grep -q '"DriverName":"amazons3"'; then
115+
pass "FileSettings DriverName = amazons3"
116+
else
117+
fail "FileSettings DriverName not amazons3"
118+
fi
119+
else
120+
fail "Skipping S3 API check (no token or config)"
121+
fi
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69-
if [ "${FAIL}" -gt 0 ]; then
70-
exit 1
123+
section "Redis connectivity"
124+
REDIS_PONG=$(docker compose -f "$COMPOSE_FILE" exec -T redis redis-cli PING 2>/dev/null | tr -d '[:space:]') || REDIS_PONG=""
125+
if [ "$REDIS_PONG" = "PONG" ]; then
126+
pass "Redis PING responded"
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else
128+
fail "Redis PING failed"
71129
fi
130+
131+
echo
132+
echo "====================================="
133+
echo " Mattermost Lab 07-03 Results"
134+
echo " PASS: $PASS FAIL: $FAIL"
135+
echo "====================================="
136+
[ "$FAIL" -eq 0 ] && exit 0 || exit 1

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