reorganize (config) files and templates into one "resources" dir

This groups the files and templates for each host together and therefore
makes it easier to see all the (config) files for a host.

Also clean up incorrect, unused docker_compose config for mumble and
clean up unused engelsystem configs.

resources/chaosknoten/zammad/docker_compose/compose.yaml.j2

@@ -0,0 +1,158 @@
+---
+{#
+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