breaking(postgres): update PostgreSQL volume mount path and default image version

- Change PostgreSQL volume mount path from `/var/lib/postgresql/data` to `/var/lib/postgresql` across README files and role defaults
- Upgrade default PostgreSQL Docker image from `postgres:14-alpine` to `postgres:18-alpine`
- Update documentation and configuration defaults in `README.md`, `roles/docker_compose/README.md`, `roles/postgres/README.md`, and `roles/postgres/defaults/main.yml`

CHANGELOG.md

@@ -38,3 +38,5 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Updated `list-hosts` command to display `hosting_provider` field, increased customer column width, and fixed IFS handling for proper field separation.
 - Updated Odoo scripts to use standard PostgreSQL environment variables (`PGHOST`, `PGUSER`, `PGPASSWORD`) instead of legacy variables (`HOST`, `USER`, `PASSWORD`).
 - Updated `dev-vuepress` task to automatically open the browser after starting the development server.
+- Updated PostgreSQL volume mount path from `/var/lib/postgresql/data` to `/var/lib/postgresql` in `README.md`, `roles/docker_compose/README.md`, `roles/postgres/README.md`, and `roles/postgres/defaults/main.yml`.
+- Updated default PostgreSQL image version from `postgres:14-alpine` to `postgres:18-alpine` in `roles/postgres/README.md`.

README.md

@@ -233,7 +233,7 @@ Mount the folder without subfolder.
 
 ```yml
 volumes:
-  - "{{ postgres_volume_name }}:/var/lib/postgresql/data"
+  - "{{ postgres_volume_name }}:/var/lib/postgresql"
 ```
 
 For Ansible config files use file mounts.

roles/docker_compose/README.md

@@ -25,7 +25,7 @@ docker_compose_definition:
     db:
       image: postgres
       volumes:
-        - ./data/db:/var/lib/postgresql/data
+        - ./data/db:/var/lib/postgresql
       environment:
         - POSTGRES_DB=postgres
         - POSTGRES_USER=postgres

roles/postgres/README.md

@@ -14,7 +14,7 @@ Configure the role.
 
 ```yml
 # https://hub.docker.com/_/postgres
-postgres_image: postgres:14-alpine
+postgres_image: postgres:18-alpine
 postgres_build_image: true # default: false
 postgres_description: Database for website # default: PostgreSQL
 postgres_hostname: postgres01
@@ -22,7 +22,7 @@ postgres_volume_name: postgres_data01 # default: "{{ postgres_hostname }}"
 postgres_data_dir: /usr/share/postgres # default: "/usr/share/{{ postgres_hostname }}"
 postgres_scripts_dir: /home/odoo-prod/bin # default: /usr/local/bin
 postgres_volumes:
-  - "{{ postgres_data_dir }}/reference-data/data:/mnt/reference-data" # default: "{{ postgres_volume_name }}:/var/lib/postgresql/data"
+  - "{{ postgres_data_dir }}/reference-data/data:/mnt/reference-data" # default: "{{ postgres_volume_name }}:/var/lib/postgresql"
 postgres_ports:
   - 127.0.0.1:5433:5432 # default: []
 postgres_user: example

roles/postgres/defaults/main.yml

@@ -7,7 +7,7 @@ postgres_configmap:
 postgres_password: "{{ vault_postgres_password }}"
 postgres_data_dir: /usr/share/{{ postgres_hostname }}
 postgres_volumes:
-  - "{{ postgres_volume_name }}:/var/lib/postgresql/data"
+  - "{{ postgres_volume_name }}:/var/lib/postgresql"
 postgres_ports: []
 postgres_wal_level: replica
 postgres_max_connections: 100