Networks: create internal docker network for proxy server

Prepare to use caddy in docker

playbook-outline.yml

@@ -9,7 +9,7 @@
   vars:
     app_name: "outline"
     app_user: "{{ app_name }}"
-    base_dir: "/home/{{ app_name }}"
+    base_dir: "/home/{{ app_user }}"
     data_dir: "{{ (base_dir, 'data') | path_join }}"
     postgres_data_dir: "{{ (base_dir, 'data', 'postgres') | path_join }}"
     postgres_backups_dir: "{{ (base_dir, 'backups', 'postgres') | path_join }}"
@@ -24,13 +24,6 @@
           - "docker"
         owner_ssh_keys:
           - "{{ lookup('file', 'files/av_id_rsa.pub') }}"
-        owner_env:
-          PROJECT_NAME: "{{ app_name }}"
-          DOCKER_PREFIX: "{{ app_name }}"
-          IMAGE_PREFIX: "{{ app_name }}"
-          CONTAINER_PREFIX: "{{ app_name }}"
-          USER_UID: "{{ user_create_result.uid }}"
-          USER_GID: "{{ user_create_result.group }}"
 
     - name: "Create internal directories"
       ansible.builtin.file: