---
{#
https://github.com/zammad/zammad-docker-compose
Docker Compose does not allow defining variables in the compose file (only in .env files), so we use Jinja variables instead
see https://github.com/zammad/zammad-docker-compose/blob/master/.env
#}
{%- set ELASTICSEARCH_VERSION = "8" | quote -%}
{%- set IMAGE_REPO = "ghcr.io/zammad/zammad" | quote -%}
{%- set MEMCACHE_SERVERS = "zammad-memcached:11211" | quote -%}
{%- set MEMCACHE_VERSION = "1.6-alpine" | quote -%}
{%- set POSTGRES_DB = "zammad_production" | quote -%}
{%- set POSTGRES_HOST = "zammad-postgresql" | quote -%}
{%- set POSTGRES_USER = "zammad" | quote -%}
{%- set POSTGRES_PASS = lookup("community.general.passwordstore", "noc/vm-secrets/chaosknoten/zammad/DB_PASSWORD", create=false, missing="error") | quote -%}
{%- set POSTGRES_PORT = "5432" | quote -%}
{%- set POSTGRES_VERSION = "15-alpine" | quote -%}
{%- set REDIS_URL = "redis://zammad-redis:6379" | quote -%}
{%- set REDIS_VERSION = "7-alpine" | quote -%}
{%- set RESTART = "always" | quote -%}
{%- set VERSION = "6" | quote -%}
x-shared:
  zammad-service: &zammad-service
    environment: &zammad-environment
      MEMCACHE_SERVERS: {{ MEMCACHE_SERVERS }}
      POSTGRESQL_DB: {{ POSTGRES_DB }}
      POSTGRESQL_HOST: {{ POSTGRES_HOST }}
      POSTGRESQL_USER: {{ POSTGRES_USER }}
      POSTGRESQL_PASS: {{ POSTGRES_PASS }}
      POSTGRESQL_PORT: {{ POSTGRES_PORT }}
      REDIS_URL: {{ REDIS_URL }}
      # Allow passing in these variables via .env:
      AUTOWIZARD_JSON:
      AUTOWIZARD_RELATIVE_PATH:
      ELASTICSEARCH_ENABLED:
      ELASTICSEARCH_HOST:
      ELASTICSEARCH_PORT:
      ELASTICSEARCH_SCHEMA:
      ELASTICSEARCH_NAMESPACE:
      ELASTICSEARCH_REINDEX:
      ELASTICSEARCH_SSL_VERIFY:
      NGINX_PORT:
      NGINX_SERVER_NAME:
      NGINX_SERVER_SCHEME: https
      POSTGRESQL_DB_CREATE:
      POSTGRESQL_OPTIONS:
      RAILS_TRUSTED_PROXIES:
      ZAMMAD_WEB_CONCURRENCY:
      ZAMMAD_SESSION_JOBS:
      ZAMMAD_PROCESS_SCHEDULED:
      ZAMMAD_PROCESS_DELAYED_JOBS_WORKERS:
    image: {{ IMAGE_REPO }}:{{ VERSION }}
    restart: {{ RESTART }}
    volumes:
      - zammad-storage:/opt/zammad/storage
      - zammad-var:/opt/zammad/var
    depends_on:
      - zammad-memcached
      - zammad-postgresql
      - zammad-redis

services:

  zammad-backup:
    command: ["zammad-backup"]
    depends_on:
      - zammad-railsserver
      - zammad-postgresql
    entrypoint: /usr/local/bin/backup.sh
    environment:
      <<: *zammad-environment
      BACKUP_TIME: "03:00"
      HOLD_DAYS: "10"
      TZ: Europe/Berlin
    image: postgres:{{ POSTGRES_VERSION }}
    restart: {{ RESTART }}
    volumes:
      - zammad-backup:/var/tmp/zammad
      - zammad-storage:/opt/zammad/storage:ro
      - zammad-var:/opt/zammad/var:ro
      - ./scripts/backup.sh:/usr/local/bin/backup.sh:ro

  zammad-elasticsearch:
    image: bitnami/elasticsearch:{{ ELASTICSEARCH_VERSION }}
    restart: {{ RESTART }}
    volumes:
      - elasticsearch-data:/bitnami/elasticsearch/data

  zammad-init:
    <<: *zammad-service
    command: ["zammad-init"]
    depends_on:
      - zammad-postgresql
    restart: on-failure
    user: 0:0
    volumes:
      - zammad-storage:/opt/zammad/storage
      - zammad-var:/opt/zammad/var

  zammad-memcached:
    command: memcached -m 256M
    image: memcached:{{ MEMCACHE_VERSION }}
    restart: {{ RESTART }}

  zammad-nginx:
    <<: *zammad-service
    command: ["zammad-nginx"]
    expose:
      - "8080"
    ports:
      - "8080:8080"
    depends_on:
      - zammad-railsserver
    volumes:
      - zammad-var:/opt/zammad/var:ro # required for the zammad-ready check file

  zammad-postgresql:
    environment:
      POSTGRES_DB: {{ POSTGRES_DB }}
      POSTGRES_USER: {{ POSTGRES_USER }}
      POSTGRES_PASSWORD: {{ POSTGRES_PASS }}
    image: postgres:{{ POSTGRES_VERSION }}
    restart: {{ RESTART }}
    volumes:
      - postgresql-data:/var/lib/postgresql/data

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

  zammad-redis:
    image: redis:{{ REDIS_VERSION }}
    restart: {{ RESTART }}
    volumes:
      - redis-data:/data

  zammad-scheduler:
    <<: *zammad-service
    command: ["zammad-scheduler"]
    volumes:
      - /ansible_docker_compose/zammad-scheduler-database.yml:/opt/zammad/config/database.yml # workaround for connection pool issue

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

volumes:
  elasticsearch-data:
    driver: local
  postgresql-data:
    driver: local
  redis-data:
    driver: local
  zammad-backup:
    driver: local
  zammad-storage:
    driver: local
  zammad-var:
    driver: local