diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index a0c8001..8bd2b0d 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -1,5 +1,15 @@
 name: deploy gh-pages
-on: [push]
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+    inputs:
+      debug_enabled:
+        description: 'Run the build with tmate debugging enabled (https://github.com/marketplace/actions/debugging-with-tmate)'
+        required: false
+        default: false
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/.gitignore b/.gitignore
index 5ba249d..60fe338 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 docs/build
 *.swp
+docs/source/images/people/.DS_Store