diff --git a/README.md b/README.md
index c24120e7..4f9d881f 100644
--- a/README.md
+++ b/README.md
@@ -10,9 +10,11 @@ This project is deployed in accordance to the [DargStack template](https://githu
 
  1. [secrets](#secrets)
     
- 2. [services](#services)
+ 2. [x-shared](#x-shared)
     
- 3. [volumes](#volumes)
+ 3. [services](#services)
+    
+ 4. [volumes](#volumes)
     
 
 ## secrets
@@ -159,6 +161,14 @@ This project is deployed in accordance to the [DargStack template](https://githu
     The captcha provider's application key.
     
 
+## x-shared
+
+
+ - ### `zammad-service`
+    
+    shared environment, image, volumes
+    
+
 ## services
 
 
@@ -262,6 +272,42 @@ This project is deployed in accordance to the [DargStack template](https://githu
     
     You can access the main project's frontend at [localhost](https://localhost/).
     
+ - ### `zammad-backup`
+    
+    Zammad backup.
+    
+ - ### `zammad-elasticsearch`
+    
+    Zammad Elastisearch.
+    
+ - ### `zammad-init`
+    
+    Zammad initialization.
+    
+ - ### `zammad-memcached`
+    
+    Zammad memcached.
+    
+ - ### `zammad-nginx`
+    
+    You can access the Zammad frontend at [zammad.localhost](https://zammad.localhost/).
+    
+ - ### `zammad-railsserver`
+    
+    Zammad railsserver.
+    
+ - ### `zammad-redis`
+    
+    Zammad redis.
+    
+ - ### `zammad-scheduler`
+    
+    Zammad scheduler.
+    
+ - ### `zammad-websocket`
+    
+    Zammad websocket.
+    
 
 ## volumes
 
@@ -306,4 +352,20 @@ This project is deployed in accordance to the [DargStack template](https://githu
     
     The message queue's data.
     
+ - ### `zammad-backup`
+    
+    Zammad's backup data
+    
+ - ### `zammad-elasticsearch-data`
+    
+    Zammad's elastisearch data
+    
+ - ### `zammad-redis-data`
+    
+    Zammad's redis data
+    
+ - ### `zammad-storage`
+    
+    Zammad's storage data
+    
 
diff --git a/src/development/certificates/mkcert.sh b/src/development/certificates/mkcert.sh
index 2b514453..3e661cc3 100755
--- a/src/development/certificates/mkcert.sh
+++ b/src/development/certificates/mkcert.sh
@@ -29,13 +29,15 @@ done
 
 create "root"
 create "traefik" \
-    `# adminer` "adminer.localhost" \
-    `# grafana` "grafana.localhost" \
-    `# minio` "minio.localhost" \
-    `# portainer` "portainer.localhost" \
-    `# postgraphile` "postgraphile.localhost" \
-    `# prometheus` "prometheus.localhost" \
-    `# redpanda` "redpanda.localhost" \
-    `# traefik` "traefik.localhost" \
-    `# tusd` "tusd.localhost" \
-    `# vibetype` "localhost" "www.localhost" "127.0.0.1" "0.0.0.0"
\ No newline at end of file
+    "adminer.localhost" \
+    "grafana.localhost" \
+    "minio.localhost" \
+    "portainer.localhost" \
+    "postgraphile.localhost" \
+    "prometheus.localhost" \
+    "redpanda.localhost" \
+    "traefik.localhost" \
+    "tusd.localhost" \
+    "zammad.localhost" \
+    "localhost" "www.localhost" "127.0.0.1" "0.0.0.0"
+
diff --git a/src/development/stack.yml b/src/development/stack.yml
index 23238f01..1397b5fe 100644
--- a/src/development/stack.yml
+++ b/src/development/stack.yml
@@ -3,6 +3,9 @@
 # Vibetype
 # https://github.com/maevsi/vibetype/
 ---
+
+#version: "3.7"
+
 secrets:
   grafana_admin_email:
     # The observation dashboard's admin email.
@@ -100,6 +103,69 @@ secrets:
   vibetype_turnstile-key:
     # The captcha provider's application key.
     file: ./secrets/vibetype/turnstile-key.secret
+
+x-shared:
+  zammad-service: &zammad-service
+    # shared environment, image, volumes
+    environment: &zammad-environment
+      MEMCACHE_SERVERS: ${MEMCACHE_SERVERS:-zammad-memcached:11211}
+      POSTGRESQL_DB: zammad
+      POSTGRESQL_HOST: postgres
+      POSTGRESQL_USER: zammad
+      POSTGRESQL_PASS: zammad
+      POSTGRESQL_PORT: 5432
+      POSTGRESQL_OPTIONS: ${POSTGRESQL_OPTIONS:-?pool=50}
+      POSTGRESQL_DB_CREATE: "false"
+      REDIS_URL: ${REDIS_URL:-redis://zammad-redis:6379}
+      S3_URL:
+      # Backup settings
+      BACKUP_DIR: "${BACKUP_DIR:-/var/tmp/zammad}"
+      BACKUP_TIME: "${BACKUP_TIME:-03:00}"
+      HOLD_DAYS: "${HOLD_DAYS:-10}"
+      TZ: "${TZ:-Europe/Berlin}"
+      # Allow passing in these variables via .env:
+      AUTOWIZARD_JSON:
+      AUTOWIZARD_RELATIVE_PATH:
+      ELASTICSEARCH_ENABLED:
+      ELASTICSEARCH_SCHEMA:
+      ELASTICSEARCH_HOST:
+      ELASTICSEARCH_PORT:
+      ELASTICSEARCH_USER: ${ELASTICSEARCH_USER:-elastic}
+      ELASTICSEARCH_PASS: ${ELASTICSEARCH_PASS:-zammad}
+      ELASTICSEARCH_NAMESPACE:
+      ELASTICSEARCH_REINDEX:
+      NGINX_PORT: 8080
+      NGINX_CLIENT_MAX_BODY_SIZE:
+      NGINX_SERVER_NAME: zammad.${STACK_DOMAIN}
+      NGINX_SERVER_SCHEME: https
+      RAILS_TRUSTED_PROXIES:
+      ZAMMAD_HTTP_TYPE:
+      ZAMMAD_FQDN:
+      ZAMMAD_WEB_CONCURRENCY:
+      ZAMMAD_PROCESS_SESSIONS_JOBS_WORKERS:
+      ZAMMAD_PROCESS_SCHEDULED_JOBS_WORKERS:
+      ZAMMAD_PROCESS_DELAYED_JOBS_WORKERS:
+      ZAMMAD_RAILSSERVER_HOST: zammad-railsserver
+      ZAMMAD_WEBSOCKET_HOST: zammad-websocket
+      # ZAMMAD_SESSION_JOBS_CONCURRENT is deprecated, please use ZAMMAD_PROCESS_SESSIONS_JOBS_WORKERS instead.
+      ZAMMAD_SESSION_JOBS_CONCURRENT:
+      # Variables used by ngingx-proxy container for reverse proxy creations
+      # for docs refer to https://github.com/nginx-proxy/nginx-proxy
+      VIRTUAL_HOST:
+      VIRTUAL_PORT:
+      # Variables used by acme-companion for retrieval of LetsEncrypt certificate
+      # for docs refer to https://github.com/nginx-proxy/acme-companion
+      LETSENCRYPT_HOST:
+      LETSENCRYPT_EMAIL:
+
+    image: ${IMAGE_REPO:-ghcr.io/zammad/zammad}:${VERSION:-6.5.0-89}
+    volumes:
+      - zammad-storage:/opt/zammad/storage
+    depends_on:
+      - zammad-memcached
+      - postgresql
+      - zammad-redis
+
 services:
   adminer:
     # You can access the database's frontend at [adminer.localhost](https://adminer.localhost/).
@@ -325,7 +391,7 @@ services:
       POSTGRES_DB_FILE: /run/secrets/postgres_db
       POSTGRES_PASSWORD_FILE: /run/secrets/postgres_password
       POSTGRES_USER_FILE: /run/secrets/postgres_user
-    image: postgis/postgis:17-3.5-alpine
+    image: imresamu/postgis:17-3.5.2-alpine3.21
     ports: #DARGSTACK-REMOVE
       - 5432:5432 #DARGSTACK-REMOVE
     secrets:
@@ -374,6 +440,7 @@ services:
       - postgres_user
     volumes:
       - ../../../reccoom/:/srv/app/
+
   redpanda:
     # You can access the event streaming platform's ui as described under `redpanda-console`.
     command:
@@ -553,8 +620,80 @@ services:
       - ${PNPM_STORE_DIR}:/srv/.pnpm-store/ #DARGSTACK-REMOVE
       - ./certificates/:/srv/certificates/ #DARGSTACK-REMOVE
       - ../../../vibetype/:/srv/app/ #DARGSTACK-REMOVE
-      - ./configurations/postgraphile/jwtRS256.key.pub:/run/environment-variables/NUXT_PUBLIC_VIO_AUTH_JWT_PUBLIC_KEY:ro
-version: "3.7"
+      - ./configurations/postgraphile/jwtRS256.key.pub:/run/environment-variables/NUXT_PUB1LIC_VIO_AUTH_JWT_PUBLIC_KEY:ro
+
+  zammad-backup:
+    # Zammad backup.
+    <<: *zammad-service
+    command: ["zammad-backup"]
+    volumes:
+      - zammad-backup:/var/tmp/zammad
+      - zammad-storage:/opt/zammad/storage:ro
+    user: 0:0
+
+  zammad-elasticsearch:
+    # Zammad Elastisearch.
+    image: bitnami/elasticsearch:${ELASTICSEARCH_VERSION:-8.18.0}
+    volumes:
+      - zammad-elasticsearch-data:/bitnami/elasticsearch/data
+    environment:
+      # Enable authorization without HTTPS. For external access with
+      #   SSL termination, use solutions like nginx-proxy-manager.
+      ELASTICSEARCH_ENABLE_SECURITY: 'true'
+      ELASTICSEARCH_SKIP_TRANSPORT_TLS: 'true'
+      ELASTICSEARCH_ENABLE_REST_TLS: 'false'
+      # ELASTICSEARCH_USER is hardcoded to 'elastic' in the container.
+      ELASTICSEARCH_PASSWORD: ${ELASTICSEARCH_PASS:-zammad}
+
+  zammad-init:
+    # Zammad initialization.
+    <<: *zammad-service
+    command: ["zammad-init"]
+    depends_on:
+      - postgresql
+    user: 0:0
+
+  zammad-memcached:
+    # Zammad memcached.
+    command: memcached -m 256M
+    image: memcached:${MEMCACHE_VERSION:-1.6.38-alpine}
+
+  zammad-nginx:
+    # You can access the Zammad frontend at [zammad.localhost](https://zammad.localhost/).
+    <<: *zammad-service
+    deploy:
+      labels:
+        - traefik.enable=true
+        - traefik.http.routers.zammad.entryPoints=web
+        - traefik.http.routers.zammad.middlewares=redirectscheme #DARGSTACK-REMOVE
+        - traefik.http.routers.zammad.rule=Host(`zammad.${STACK_DOMAIN}`)
+        - traefik.http.routers.zammad_secure.entryPoints=web-secure
+        - traefik.http.routers.zammad_secure.rule=Host(`zammad.${STACK_DOMAIN}`)
+        - traefik.http.routers.zammad_secure.tls.options=mintls13@file #DARGSTACK-REMOVE
+        - traefik.http.services.zammad.loadbalancer.server.port=8080
+    command: ["zammad-nginx"]
+
+  zammad-railsserver:
+    # Zammad railsserver.
+    <<: *zammad-service
+    command: ["zammad-railsserver"]
+
+  zammad-redis:
+    # Zammad redis.
+    image: redis:${REDIS_VERSION:-7.4.3-alpine}
+    volumes:
+      - zammad-redis-data:/data
+
+  zammad-scheduler:
+    # Zammad scheduler.
+    <<: *zammad-service
+    command: ["zammad-scheduler"]
+
+  zammad-websocket:
+    # Zammad websocket.
+    <<: *zammad-service
+    command: ["zammad-websocket"]
+
 volumes:
   debezium_kafka_configuration:
     # The change data capture's configuration.
@@ -583,3 +722,15 @@ volumes:
   redpanda_data:
     # The message queue's data.
     {}
+  zammad-elasticsearch-data:
+    # Zammad's elastisearch data
+    {}
+  zammad-redis-data:
+    # Zammad's redis data
+    {}
+  zammad-backup:
+    # Zammad's backup data
+    {}
+  zammad-storage:
+    # Zammad's storage data
+    {}