diff --git a/roles/sync/files_sync/defaults/main.yml b/roles/sync/files_sync/defaults/main.yml
new file mode 100644
index 00000000..06f6a818
--- /dev/null
+++ b/roles/sync/files_sync/defaults/main.yml
@@ -0,0 +1,14 @@
+---
+files_sync:
+  directories:
+    - source:
+        # Location of the files to sync from.
+        files_dir: "/home/{{ deploy_user }}/shared/{{ project_name }}_prod/assets/{{ project_name }}_prod_default_public_files"
+        # Host that can connect to the database.
+        host: "localhost"
+        # For "rolling builds", so we can compute the database name.
+        build_id: mybuildprod
+      target:
+        # Location of the files to sync to.
+        files_dir: "/home/{{ deploy_user }}/shared/{{ project_name }}_dev/assets/{{ project_name }}_dev_default_public_files"
+        build_id: mybuilddev
diff --git a/roles/sync/files_sync/tasks/main.yml b/roles/sync/files_sync/tasks/main.yml
new file mode 100644
index 00000000..47c3667a
--- /dev/null
+++ b/roles/sync/files_sync/tasks/main.yml
@@ -0,0 +1,7 @@
+---
+- name: Sync files.
+  include_tasks: "sync.yml"
+  with_items: "{{ files_sync.directories }}"
+  loop_control:
+    loop_var: files
+  run_once: true
diff --git a/roles/sync/files_sync/tasks/sync.yml b/roles/sync/files_sync/tasks/sync.yml
new file mode 100644
index 00000000..cb34430b
--- /dev/null
+++ b/roles/sync/files_sync/tasks/sync.yml
@@ -0,0 +1,22 @@
+---
+- name: Create a temporary directory for source files on localhost.
+  ansible.builtin.file:
+    path: "/tmp/{{ files.source.build_id }}"
+    state: directory
+    owner: "{{ deploy_user }}"
+    group: "{{ deploy_user }}"
+  delegate_to: localhost
+  run_once: true
+
+- name: Copy the source files onto the deploy server.
+  ansible.posix.synchronize:
+    mode: pull
+    src: "{{ files.source.files_dir }}"
+    dest: "/tmp/{{ files.source.build_id }}"
+
+- name: Copy the source files from the deploy server onto the destination server.
+  ansible.builtin.copy:
+    src: "/tmp/{{ files.source.build_id }}"
+    dest: "{{ files.target.files_dir }}"
+    owner: "{{ deploy_user }}"
+    group: "{{ deploy_user }}"