Adapt to more scoped config

plays/postdeploy/lib/http.yml

@@ -1,7 +1,7 @@
 ---
 - name: Set HTTP 80 port proxy
   dokku_ports:
-    app: "{{ app }}"
+    app: "{{ dokku.app }}"
     mappings:
-      - "http:80:{{ port }}"
+      - "http:80:{{ vars.port }}"
     state: present

plays/postdeploy/lib/https.yml

@@ -1,17 +1,17 @@
 ---
 - name: Setup lets encrypt certificates
-  shell: "dokku letsencrypt {{ app }}"
+  shell: "dokku letsencrypt {{ dokku.app }}"
   args:
-    creates: "/home/dokku/{{ app }}/letsencrypt/certs"
+    creates: "/home/dokku/{{ dokku.app }}/letsencrypt/certs"
 
 - name: Setup lets encrypt certificates renew cron job
   shell: dokku letsencrypt:cron-job --add
   args:
-    creates: "/home/dokku/{{ app }}/letsencrypt/cron-job"
+    creates: "/home/dokku/{{ dokku.app }}/letsencrypt/cron-job"
 
 - name: Set HTTP 443 port
   dokku_ports:
-    app: "{{ app }}"
+    app: "{{ dokku.app }}"
     mappings:
-      - "https:443:{{ port }}"
+      - "https:443:{{ vars.port }}"
     state: present

plays/postdeploy/lib/nginxd.yml

@@ -1,24 +1,32 @@
 ---
+- name: Check if a custom nginx directory exists
+  stat:
+    path: "{{ app_config_root }}/nginx.d/"
+  register: custom_nginx_d
+
 - name: Create nginx customisation directory
   become: true
   file:
-    path: "/home/dokku/{{ app }}/nginx.conf.d/"
+    path: "/home/dokku/{{ dokku.app }}/nginx.conf.d/"
     state: directory
     owner: dokku
     group: dokku
+  when: custom_nginx_d.stat.exists
 
 - name: Copy over the nginx custom configuration
   become: true
   template:
     src: "{{ item }}"
-    dest: "/home/dokku/{{ app }}/nginx.conf.d/{{ item | basename }}"
+    dest: "/home/dokku/{{ dokku.app }}/nginx.conf.d/{{ item | basename }}"
     owner: dokku
     group: dokku
   with_fileglob:
     - "{{ app_config_root }}/nginx.d/*.conf"
+  when: custom_nginx_d.stat.exists
 
 - name: Reload nginx to enable custom configurations
   become: true
   service:
     name: nginx
     state: reloaded
+  when: custom_nginx_d.stat.exists

plays/postdeploy/lib/proxy.yml

@@ -1,7 +1,7 @@
 ---
 - name: Remove automatically configured ports
   dokku_ports:
-    app: "{{ app }}"
+    app: "{{ dokku.app }}"
     mappings:
-      - "http:{{ port }}:{{ port }}"
+      - "http:{{ vars.port }}:{{ vars.port }}"
     state: absent