diff --git a/ansible/inventory/group_vars/all/vault.yml.example b/ansible/inventory/group_vars/all/vault.yml.example
index e2edecc..85c4ec9 100644
--- a/ansible/inventory/group_vars/all/vault.yml.example
+++ b/ansible/inventory/group_vars/all/vault.yml.example
@@ -11,6 +11,7 @@ vault_postgres_password: changeme
 # Service Database Passwords
 vault_arke_db_password: changeme
 vault_casdoor_db_password: changeme
+vault_periplus_db_password: changeme
 vault_mcp_switchboard_db_password: changeme
 vault_openwebui_db_password: changeme
 vault_spelunker_db_password: changeme
diff --git a/ansible/inventory/host_vars/portia.incus.yml b/ansible/inventory/host_vars/portia.incus.yml
index 08ed22e..107b1c2 100644
--- a/ansible/inventory/host_vars/portia.incus.yml
+++ b/ansible/inventory/host_vars/portia.incus.yml
@@ -43,6 +43,9 @@ hass_db_password: "{{ vault_hass_db_password }}"
 nike_db_name: nike
 nike_db_user: nike
 nike_db_password: "{{ vault_nike_db_password }}"
+periplus_db_name: periplus
+periplus_db_user: periplus
+periplus_db_password: "{{ vault_periplus_db_password }}"
 
 # PostgreSQL admin password
 postgres_password: "{{ vault_postgres_password }}"
diff --git a/ansible/postgresql/deploy.yml b/ansible/postgresql/deploy.yml
index c295632..939e899 100644
--- a/ansible/postgresql/deploy.yml
+++ b/ansible/postgresql/deploy.yml
@@ -38,6 +38,7 @@
         - postgresql-17
         - libpq-dev
         - postgresql-server-dev-17
+        - postgresql-17-postgis-3
       state: present
       update_cache: true
 
@@ -200,6 +201,7 @@
       - { user: "{{ anythingllm_db_user }}", password: "{{ anythingllm_db_password }}" }
       - { user: "{{ hass_db_user }}", password: "{{ hass_db_password }}" }
       - { user: "{{ nike_db_user }}", password: "{{ nike_db_password }}" }
+      - { user: "{{ periplus_db_user }}", password: "{{ periplus_db_password }}" }
     no_log: true
 
   - name: Create application databases with owners
@@ -221,6 +223,19 @@
       - { name: "{{ anythingllm_db_name }}", owner: "{{ anythingllm_db_user }}" }
       - { name: "{{ hass_db_name }}", owner: "{{ hass_db_user }}" }
       - { name: "{{ nike_db_name }}", owner: "{{ nike_db_user }}" }
+      - { name: "{{ periplus_db_name }}", owner: "{{ periplus_db_user }}" }
+
+  - name: Enable postgis and pg_trgm extensions in periplus database
+    community.postgresql.postgresql_ext:
+      name: "{{ item }}"
+      db: "{{ periplus_db_name }}"
+      state: present
+      login_user: postgres
+      login_password: "{{ postgres_password }}"
+      login_host: localhost
+    loop:
+      - postgis
+      - pg_trgm
 
   - name: Enable pgvector extension in databases
     community.postgresql.postgresql_ext:
diff --git a/docs/ouranos.md b/docs/ouranos.md
index 66e6583..4de3852 100644
--- a/docs/ouranos.md
+++ b/docs/ouranos.md
@@ -48,7 +48,7 @@ King of the Fairies orchestrating containers and managing MCP infrastructure.
 Intelligent and resourceful — the reliability of relational databases.
 
 - PostgreSQL 17 (port 5432)
-- Databases: `arke`, `anythingllm`, `gitea`, `hass`, `lobechat`, `mcp_switchboard`, `nextcloud`, `openwebui`, `spelunker`
+- Databases: `arke`, `anythingllm`, `gitea`, `hass`, `lobechat`, `mcp_switchboard`, `nextcloud`, `openwebui`, `periplus`, `spelunker`
 
 ### ariel — Graph Database