docker-compose-cookbooks/zammad/docker-compose.yml

---

x-shared:
  zammad-service: &zammad-service
    environment: &zammad-environment
      # Core database and caching
      MEMCACHE_SERVERS: ${MEMCACHE_SERVERS:-zammad-memcached:11211}
      POSTGRESQL_DB: ${POSTGRES_DB:-zammad_production}
      POSTGRESQL_HOST: ${POSTGRES_HOST:-zammad-postgresql}
      POSTGRESQL_USER: ${POSTGRES_USER:-zammad}
      POSTGRESQL_PASS: ${POSTGRES_PASS:-zammad}
      POSTGRESQL_PORT: ${POSTGRES_PORT:-5432}
      POSTGRESQL_OPTIONS: ${POSTGRESQL_OPTIONS:-?pool=50}
      POSTGRESQL_DB_CREATE: ${POSTGRESQL_DB_CREATE:-true}
      REDIS_URL: ${REDIS_URL:-redis://zammad-redis:6379}
      # Storage (S3 optional; leave empty for local)
      S3_URL: ${S3_URL:-dummy}
      # Backup settings
      BACKUP_DIR: "${BACKUP_DIR:-/var/tmp/zammad}"
      BACKUP_TIME: "${BACKUP_TIME:-03:00}"
      HOLD_DAYS: "${HOLD_DAYS:-10}"
      TZ: "${TZ:-Europe/Berlin}"
      # Elasticsearch (defaults enable it with basic config)
      ELASTICSEARCH_ENABLED: ${ELASTICSEARCH_ENABLED:-true}
      ELASTICSEARCH_SCHEMA: ${ELASTICSEARCH_SCHEMA:-http}
      ELASTICSEARCH_HOST: ${ELASTICSEARCH_HOST:-zammad-elasticsearch}
      ELASTICSEARCH_PORT: ${ELASTICSEARCH_PORT:-9200}
      ELASTICSEARCH_USER: ${ELASTICSEARCH_USER:-}
      ELASTICSEARCH_PASS: ${ELASTICSEARCH_PASS:-}
      ELASTICSEARCH_NAMESPACE: ${ELASTICSEARCH_NAMESPACE:-zammad}
      ELASTICSEARCH_REINDEX: ${ELASTICSEARCH_REINDEX:-}
      # Zammad app config (no strict defaults; override in .env)
      AUTOWIZARD_JSON: ${AUTOWIZARD_JSON:-}
      AUTOWIZARD_RELATIVE_PATH: ${AUTOWIZARD_RELATIVE_PATH:-}
      ZAMMAD_HTTP_TYPE: ${ZAMMAD_HTTP_TYPE:-}
      ZAMMAD_FQDN: ${ZAMMAD_FQDN:-}
      ZAMMAD_WEB_CONCURRENCY: ${ZAMMAD_WEB_CONCURRENCY:-}
      ZAMMAD_PROCESS_SESSIONS_JOBS_WORKERS: ${ZAMMAD_PROCESS_SESSIONS_JOBS_WORKERS:-}
      ZAMMAD_PROCESS_SCHEDULED_JOBS_WORKERS: ${ZAMMAD_PROCESS_SCHEDULED_JOBS_WORKERS:-}
      ZAMMAD_PROCESS_DELAYED_JOBS_WORKERS: ${ZAMMAD_PROCESS_DELAYED_JOBS_WORKERS:-}
      # Deprecated (kept for compatibility)
      ZAMMAD_SESSION_JOBS_CONCURRENT: ${ZAMMAD_SESSION_JOBS_CONCURRENT:-}
      # NGINX defaults
      NGINX_PORT: ${NGINX_PORT:-8080}
      NGINX_CLIENT_MAX_BODY_SIZE: ${NGINX_CLIENT_MAX_BODY_SIZE:-50M}
      NGINX_SERVER_NAME: ${NGINX_SERVER_NAME:-_}
      NGINX_SERVER_SCHEME: $scheme
      RAILS_TRUSTED_PROXIES: ${RAILS_TRUSTED_PROXIES:-"['127.0.0.1', '::1']"}
      # Proxy vars (for nginx-proxy/acme-companion integration)
      VIRTUAL_HOST: ${VIRTUAL_HOST:-}
      VIRTUAL_PORT: ${VIRTUAL_PORT:-}
      LETSENCRYPT_HOST: ${LETSENCRYPT_HOST:-}
      LETSENCRYPT_EMAIL: ${LETSENCRYPT_EMAIL:-}

    image: ${IMAGE_REPO:-ghcr.io/zammad/zammad}:${VERSION:-6.5.2}
    restart: ${RESTART:-always}
    volumes:
      - ${VOL_PATH:-./data}/zammad/storage:/opt/zammad/storage
    depends_on:
      - zammad-memcached
      - zammad-postgresql
      - zammad-redis
      - zammad-elasticsearch  # Conditional via ELASTICSEARCH_ENABLED, but include for safety

services:
  zammad-backup:
    <<: *zammad-service
    command: ["zammad-backup"]
    volumes:
      - ${VOL_PATH:-./data}/zammad/backup:${BACKUP_DIR:-/var/tmp/zammad}
      - ${VOL_PATH:-./data}/zammad/storage:/opt/zammad/storage:ro
    user: 0:0

  zammad-elasticsearch:
    image: elasticsearch:${ELASTICSEARCH_VERSION:-8.19.2}
    restart: ${RESTART:-always}
    volumes:
      - ${VOL_PATH:-./data}/elasticsearch:/usr/share/elasticsearch/data
    environment:
      discovery.type: single-node
      xpack.security.enabled: 'false'
      ES_JAVA_OPTS: ${ELASTICSEARCH_JAVA_OPTS:--Xms1g -Xmx1g}

  zammad-init:
    <<: *zammad-service
    command: ["zammad-init"]
    depends_on:
      - zammad-postgresql
      - zammad-memcached
      - zammad-redis
      - zammad-elasticsearch  # Ensures full init if enabled
    restart: on-failure
    user: 0:0

  zammad-memcached:
    command: memcached -m 256M
    image: memcached:${MEMCACHE_VERSION:-1.6.39-alpine}
    restart: ${RESTART:-always}

  zammad-nginx:
    <<: *zammad-service
    command: ["zammad-nginx"]
    expose:
      - "${NGINX_PORT:-8080}"
    ports:
      - "${NGINX_PORT:-8080}:${NGINX_PORT:-8080}"
    depends_on:
      - zammad-railsserver

  zammad-postgresql:
    environment:
      POSTGRES_DB: ${POSTGRES_DB:-zammad_production}
      POSTGRES_USER: ${POSTGRES_USER:-zammad}
      POSTGRES_PASSWORD: ${POSTGRES_PASS:-zammad}
    image: postgres:${POSTGRES_VERSION:-17.5-alpine}
    restart: ${RESTART:-always}
    volumes:
      - ${VOL_PATH:-./data}/postgresql:/var/lib/postgresql/data

  zammad-railsserver:
    <<: *zammad-service
    command: ["zammad-railsserver"]

  zammad-redis:
    image: redis:${REDIS_VERSION:-7.4.5-alpine}
    restart: ${RESTART:-always}
    volumes:
      - ${VOL_PATH:-./data}/redis:/data

  zammad-scheduler:
    <<: *zammad-service
    command: ["zammad-scheduler"]

  zammad-websocket:
    <<: *zammad-service
    command: ["zammad-websocket"]

# No named volumes defined; using bind mounts to ./data/* subdirs for easy local access