Traefik: - Upgrade v3.3 → v3.6 to fix Docker API version negotiation failure with Docker Engine 29 (which dropped support for API < 1.40) Directory permissions: - Change all service parent directories from 0750 to 0755 so container processes can traverse them after dropping from root to a lower UID - Create db directories owned by postgres UID 999 (mode 0700) so PostgreSQL can access its data files across Ansible runs - Create /opt/gitea/data owned by git UID 1000 (Gitea writes there after dropping privileges) Healthchecks: - Fix Redis healthcheck: use CMD form instead of CMD-SHELL pipe (pipe was unreliable in Alpine) - Fix Keycloak healthcheck: use bash /dev/tcp on management port 9000 (curl not available in UBI image; was incorrectly targeting port 8080) Image tags: - Fix Roundcube: 1.6 and 1.6-apache do not exist; correct tag is 1.6.x-apache Bootstrap scripts: - bootstrap-deploy-user.sh: add sudoers.d entry for passwordless sudo (deploy user has no password so sudo group alone was not enough) - run-bootstrap.sh: read server IP from inventory.ini, chmod 600 keys automatically, show actual SSH error on failure Inventory / config: - Add ansible_host to inventory.ini — server IP now defined in one place - Restructure group_vars/ into all/ directory so vault.yml is auto-loaded (previously it did not match any group name) - Move ansible.cfg to repo root (Ansible looks in cwd, not playbook dir) Docs: - Split runbook.md into runbook-provisioning.md and runbook-configuration.md - Add step 1 (set server IP) to provisioning runbook - Expand prerequisites with SSH key generation and upload instructions - Expand bootstrap step with preflight check details
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Configuration Runbook
First-run configuration steps to perform after the Ansible playbook has
provisioned the server. See runbook-provisioning.md for the provisioning steps.
Gitea
gitea_disable_registration defaults to true. For the first deploy, override
it to false so the setup wizard can create the admin account:
ansible-vault edit ansible/group_vars/all/vault.yml
# add: gitea_disable_registration: false
ansible-playbook -i ansible/inventory.ini ansible/site.yml --tags gitea --ask-vault-pass
After the admin account is created at https://gitea.ladkau.de, remove the
override and redeploy to close public registration.
Keycloak
KEYCLOAK_ADMIN / KEYCLOAK_ADMIN_PASSWORD bootstrap the initial admin account
on first start only — Keycloak ignores them once the account exists. After
logging in at https://sso.ladkau.de, change the admin password via the UI.
Keycloak takes ~90 seconds to start. If the login page is not immediately available, wait and retry.
Nextcloud
Nextcloud runs its first-time installation on the initial HTTP request, which
takes a minute or two. The admin credentials are set via nextcloud_admin_user
and nextcloud_admin_password in the vault.
Roundcube
Roundcube is a webmail client — it does not host mail itself. Configure the IMAP
and SMTP servers it connects to via ansible/group_vars/all/vars.yml:
roundcube_imap_host: "ssl://mail.example.com" # implicit TLS (port 993)
roundcube_smtp_host: "mail.example.com" # STARTTLS (port 587)
Leave both empty to let users enter their own server at login.
Container registry
# Login
docker login cr.ladkau.de
# Push
docker tag myimage:latest cr.ladkau.de/myimage:latest
docker push cr.ladkau.de/myimage:latest
# Pull
docker pull cr.ladkau.de/myimage:latest
Registry credentials are managed via registry_htpasswd in the vault. To add
or rotate a user, regenerate the htpasswd entry and redeploy:
docker run --entrypoint htpasswd httpd:2 -Bbn <user> <password>
# update registry_htpasswd in vault, then:
ansible-playbook -i ansible/inventory.ini ansible/site.yml --tags registry --ask-vault-pass