Add Docker provider for Vagrant development environment

See merge request tildes-community/tildes-cf!1

ansible/roles/nodejs/tasks/main.yml

@@ -1,15 +1,9 @@
 ---
-- name: Add APT key for NodeSource Node.js repository
-  apt_key:
-    url: https://deb.nodesource.com/gpgkey/nodesource.gpg.key
-
-- name: Add NodeSource Node.js APT repository
-  apt_repository:
-    repo: deb https://deb.nodesource.com/node_14.x buster main
-
 - name: Install Node.js
   apt:
-    name: nodejs
+    name:
+      - nodejs
+      - npm
 
 - name: Install npm packages defined in package.json
   become_user: "{{ app_username }}"
@@ -18,6 +12,3 @@
     # --no-bin-links option is needed to prevent npm from creating symlinks in the .bin
     # directory, which doesn't work inside Vagrant on Windows
     no_bin_links: true
-    # npm ci needs to be run, for a clean install, instead of npm install.
-    # otherwise node_modules is never created/updated (Ansible bug?)
-    ci: true