Move composer install into a build hook

ansible/deploy.yml

@@ -14,9 +14,4 @@
     ansistrano_deploy_to: "{{ app_project_root }}"
     ansistrano_current_dir: current
     ansistrano_keep_releases: 5
-
-  # tasks:
-    # - name: Installing Composer dependencies
-    #   composer:
-    #     command: install
-    #     working_dir: "{{ app_project_root }}"
+    ansistrano_before_symlink_tasks_file: "{{ playbook_dir }}/deploy/before-symlink.yml"

ansible/deploy/before-symlink.yml

@@ -0,0 +1,5 @@
+---
+- name: Install Composer dependencies
+  composer:
+    command: install
+    working_dir: '{{ ansistrano_release_path.stdout }}'