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974486bc535428ec4410eff98e1e0fbcacc22fb9
server_cloud_ladkau_de/ansible/group_vars/all/vars.yml
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ml 974486bc53 Replace Clay with n8n, Ollama, SearXNG and browserless; add Telegram assistant 
Remove the Clay role (Claude Code web UI) and its Anthropic API key.

New roles:
- ollama: local CPU LLM (qwen3:4b-instruct), internal network only
- browserless: headless Chromium for JavaScript-heavy pages
- searxng: metasearch backend for the chat web_search tool
- n8n at agent.ladkau.de: web chat (/chat), scheduled workflows,
  Telegram bot; workflows and credentials are imported from the repo

Telegram bot: Gemini 3.8 -> Gemini 3.5 -> local Qwen fallback chain,
/qwen to force the local model, /stocks and a weekday schedule
(07:30, 13:00, 17:40) for the MTE.DE / PTX.F stock report.

Also: dashboard and check-services entries for the chat, vault checks
for the new secrets (n8n, SearXNG, Gemini, Telegram, SMTP), updated
CLAUDE.md, runbooks and README.
2026-10-03 17:10:33 +02:00

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---
# Domains
domain_base: ladkau.de
domain_cloud: "cloud.{{ domain_base }}"
domain_gitea: "gitea.{{ domain_base }}"
domain_nextcloud: "nextcloud.{{ domain_base }}"
domain_sso: "sso.{{ domain_base }}"
domain_mail: "mail.{{ domain_base }}"
domain_registry: "cr.{{ domain_base }}"
domain_k8s: "k8s.{{ domain_base }}"
domain_vault: "vault.{{ domain_base }}"
domain_dl: "dl.{{ domain_base }}"
# Let's Encrypt
acme_email: matthias.ladkau@gmail.com
# Non-root deploy user created by the base role
deploy_user: deploy
# System timezone
timezone: Europe/Berlin
# Docker network shared by all services and Traefik
traefik_network: traefik_public
# Traefik
traefik_version: v3.6
traefik_data_dir: /opt/traefik
# Dashboard basic-auth users — plaintext passwords, Ansible generates bcrypt hashes at deploy time
# traefik_dashboard_users:
# - username: admin
# password: "your-password"
traefik_dashboard_users: []
# Gitea
gitea_version: "1" # major-only tag — always pulls latest 1.x patch
gitea_db_version: "16" # PostgreSQL major version
gitea_data_dir: /opt/gitea
# Secrets — store values in ansible/group_vars/all/vault.yml (Ansible Vault)
# gitea_db_password: ""
# gitea_secret_key: "" # generate: openssl rand -hex 32
# gitea_internal_token: "" # generate: openssl rand -hex 32
# SSO (Keycloak)
keycloak_version: "26.2"
keycloak_db_version: "16"
sso_data_dir: /opt/sso
keycloak_admin_user: admin
# Secrets — store values in ansible/group_vars/all/vault.yml (Ansible Vault)
# keycloak_db_password: ""
# keycloak_admin_password: ""
# Nextcloud
nextcloud_version: "31-apache" # apache variant includes a working web server
nextcloud_db_version: "16"
nextcloud_data_dir: /opt/nextcloud
nextcloud_admin_user: admin
# Secrets — store values in ansible/group_vars/all/vault.yml (Ansible Vault)
# nextcloud_db_password: ""
# nextcloud_admin_password: ""
# Mail (Roundcube + Dovecot IMAP + Fetchmail)
roundcube_version: "1.6.x-apache"
roundcube_db_version: "16"
mail_data_dir: /opt/mail
# Dovecot IMAP server — Roundcube always connects to the local Dovecot container
dovecot_version: "2.3"
# SMTP — outgoing mail server for Roundcube (leave empty if not configured)
roundcube_smtp_host: ""
roundcube_smtp_port: "587"
# Fetchmail — polls external POP3 accounts and delivers to local Dovecot via LMTP
# poll_minutes is per-account (default: 10 minutes)
# Secrets — store values in ansible/group_vars/all/vault.yml (Ansible Vault)
# roundcube_db_password: ""
# roundcube_des_key: "" # generate: openssl rand -hex 12 (must be exactly 24 chars)
#
# Dovecot users — list of {username, password} pairs (plaintext, vault is encrypted)
# dovecot_users:
# - username: alice
# password: "plaintext-password"
#
# Fetchmail accounts — list of external POP3 sources to poll
# fetchmail_accounts:
# - server: pop.gmail.com
# username: user@gmail.com
# password: app-password
# local_user: alice
# protocol: pop3 # default: pop3
# ssl: true # default: true
# keep: true # default: true — set false to delete from source after fetch
# Gitea Actions runners (act_runner with Docker executor)
act_runner_version: "latest"
act_runner_data_dir: /opt/act_runner
act_runner_count: 3
# Secrets — store values in ansible/group_vars/all/vault.yml (Ansible Vault)
# gitea_runner_registration_token: "" # Gitea admin → Site Administration → Runners → Create runner token
# Container registry (Docker Registry v2 + web UI)
registry_data_dir: /opt/registry
registry_ui_version: "main"
# Registry users — plaintext passwords, Ansible generates bcrypt hashes at deploy time
# registry_users:
# - username: alice
# password: "your-password"
# k8s (placeholder)
k8s_data_dir: /opt/k8s
# Vaultwarden (self-hosted Bitwarden-compatible password vault)
vaultwarden_version: "1.37.1"
vaultwarden_data_dir: /opt/vaultwarden
# Secrets — store values in ansible/group_vars/all/vault.yml (Ansible Vault)
# vaultwarden_admin_token: "" # generate: openssl rand -hex 32
# vaultwarden_sso_client_secret: "" # added after Keycloak is configured — see runbook-configuration.md step 2.6
# Download server (nginx HTTPS + SFTP)
dl_data_dir: /opt/dl
dl_upload_user: uploader
dl_sftp_port: 2223
# Secrets — store values in ansible/group_vars/all/vault.yml (Ansible Vault)
# dl_sftp_authorized_keys: |
# ssh-ed25519 AAAA... gitea-actions
# Status dashboard (public — cloud.ladkau.de root)
dashboard_data_dir: /opt/dashboard
# Ollama — local LLM server, internal network only (no public route)
ollama_version: "0.35.1"
ollama_data_dir: /opt/ollama
ollama_model: "qwen3:4b-instruct-2507-q4_K_M" # non-thinking variant: the thinking model needs minutes per answer on this CPU
ollama_context_length: 16384
ollama_mem_limit: 4608m
ollama_keep_alive: "1h" # unload the model after this idle time to free RAM
# Browserless — headless Chromium for rendering JavaScript-heavy pages (internal only)
browserless_version: "v2.57.0"
browserless_data_dir: /opt/browserless
browserless_mem_limit: 1g
# SearXNG — metasearch backend for the n8n web_search tool (internal only)
searxng_version: "2026.10.2-19ffbcd30"
searxng_data_dir: /opt/searxng
searxng_mem_limit: 384m
# Secrets — store values in ansible/group_vars/all/vault.yml (Ansible Vault)
# searxng_secret_key: "" # generate: openssl rand -hex 32
# n8n — workflow automation, AI chat and scheduled digests (agent.ladkau.de)
domain_n8n: "agent.{{ domain_base }}"
n8n_version: "2.41.6"
n8n_data_dir: /opt/n8n
n8n_timezone: "Europe/Berlin"
n8n_mem_limit: 768m
# Fixed webhook id of the chat workflow: the chat page is served at
# https://agent.<domain>/webhook/<id>/chat and https://agent.<domain>/chat redirects there.
# Must match "webhookId" in roles/n8n/files/workflows/chat.json.
n8n_chat_webhook_id: "3f2b6c1e-8a4d-4e57-9b0a-6d1c2e7f5a10"
# Fixed webhook id of the Telegram trigger; must match "webhookId" in roles/n8n/files/workflows/telegram-chat.json.
n8n_telegram_webhook_id: "7c1d4e92-5b3a-4f08-a6e1-2d9b8c0f3a47"
# Source addresses allowed to call the Telegram webhook (Telegram's webhook servers, see
# core.telegram.org/bots/webhooks). Set to [] to disable the address filter.
telegram_webhook_source_ranges:
- 149.154.160.0/20
- 91.108.4.0/22
n8n_users: [] # override in vault with [{username: ..., password: ...}] — basic auth in front of n8n
# Outgoing mail for n8n (Strato SMTP)
smtp_host: "smtp.strato.de"
smtp_port: 465
smtp_secure: true # true = implicit TLS (port 465); false = STARTTLS (port 587)
# Secrets — store values in ansible/group_vars/all/vault.yml (Ansible Vault)
# n8n_encryption_key: "" # generate: openssl rand -hex 32
# gemini_api_key: "" # Google AI Studio API key (default model of the Telegram chat)
# telegram_bot_token: "" # from @BotFather
# telegram_user_id: "" # your numeric Telegram user id (the only user the bot answers)
# smtp_user: "" # full Strato mailbox address
# smtp_password: ""
# n8n_users:
# - username: admin
# password: "your-password"
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