container: support bind mounted db data directory and mysql config

roles/container/tasks/main.yml

@@ -24,10 +24,6 @@
   include_tasks: proxy.yml
   when: reverse_proxy_type != 'none'
 
-- name: Database container
-  include_tasks: database.yml
-  when: docker_database != 'none'
-
 - name: Additional services
   when: docker_additional_services is defined
   block:
@@ -74,6 +70,25 @@
     container_workdir: /opt/{{ docker_service }}
   when: docker_service_suffix is not defined
 
+- name: Create mounts directory
+  when: create_mounts_directory
+  block:
+    - name: Set docker_mounts_dir
+      set_fact:
+        docker_mounts_dir: "{{ container_workdir }}/mounts"
+
+    - name: Create directory {{ docker_mounts_dir }}
+      file:
+        path: "{{ docker_mounts_dir }}"
+        state: directory
+        owner: "{{ user.uid | default(omit) }}"
+        group: "{{ user.group | default(omit) }}"
+        mode: 0700
+
+- name: Database container
+  include_tasks: database.yml
+  when: docker_database != 'none'
+
 - name: Container volumes
   import_tasks: volumes.yml