feat(ansible): add mnemosyne db and update ouranos documentation

- Configure mnemosyne database credentials in ansible inventory
- Update postgresql playbook to provision user and database
- Add setup instructions and DB list to documentation

ansible/inventory/host_vars/portia.incus.yml

@@ -50,6 +50,9 @@ periplus_db_password: "{{ vault_periplus_db_password }}"
 daedalus_db_name: daedalus
 daedalus_db_user: daedalus
 daedalus_db_password: "{{ vault_daedalus_db_password }}"
+mnemosyne_db_name: mnemosyne
+mnemosyne_db_user: mnemosyne
+mnemosyne_db_password: "{{ vault_mnemosyne_db_password }}"
 
 # PostgreSQL admin password
 postgres_password: "{{ vault_postgres_password }}"

ansible/postgresql/deploy.yml

@@ -203,6 +203,7 @@
       - { user: "{{ nike_db_user }}", password: "{{ nike_db_password }}" }
       - { user: "{{ periplus_db_user }}", password: "{{ periplus_db_password }}" }
       - { user: "{{ daedalus_db_user }}", password: "{{ daedalus_db_password }}" }
+      - { user: "{{ mnemosyne_db_user }}", password: "{{ mnemosyne_db_password }}" }
     no_log: true
 
   - name: Create application databases with owners
@@ -226,6 +227,7 @@
       - { name: "{{ nike_db_name }}", owner: "{{ nike_db_user }}" }
       - { name: "{{ periplus_db_name }}", owner: "{{ periplus_db_user }}" }
       - { name: "{{ daedalus_db_name }}", owner: "{{ daedalus_db_user }}" }
+      - { name: "{{ mnemosyne_db_name }}", owner: "{{ mnemosyne_db_user }}" }
 
   - name: Enable postgis and pg_trgm extensions in periplus database
     community.postgresql.postgresql_ext: