[ansible] added deploy role

ansible/roles/deploy/tasks/npm.yml

@@ -0,0 +1,21 @@
+- name: Create directory for node_modules
+  file:
+    path: "{{ project_dir }}/npm"
+    state: directory
+
+- name: Copy package.json
+  copy:
+    src: "{{ release_dir }}/package.json"
+    dest: "{{ project_dir }}/npm/"
+    remote_src: true
+
+- name: npm install
+  command: npm install
+  args:
+    chdir: "{{ project_dir }}/npm/"
+
+- name: Create symlink to node_modules
+  file:
+    src: "{{ project_dir }}/npm/node_modules"
+    dest: "{{ release_dir }}/node_modules"
+    state: link