fix(web): preserve lazy chunks across releases

.gitea/workflows/deploy.yml

@@ -180,10 +180,27 @@ jobs:
         test -f "$release_tar"
         test -f "/var/lib/xiaoxia-saas-production/runtime-images-${RELEASE_VERSION}.tar"
         mkdir -p /var/lib/xiaoxia-saas-production
+        old_assets_dir="/tmp/xiaoxia-previous-web-assets-${RELEASE_VERSION}"
+        rm -rf "$old_assets_dir"
+        if [ -d /var/lib/xiaoxia-saas-production/repo/apps/web/dist/assets ]; then
+          mkdir -p "$old_assets_dir"
+          cp -a /var/lib/xiaoxia-saas-production/repo/apps/web/dist/assets/. "$old_assets_dir"/
+        fi
         rm -rf /var/lib/xiaoxia-saas-production/repo
         mkdir -p /var/lib/xiaoxia-saas-production/repo
         tar -xzf "$release_tar" -C /var/lib/xiaoxia-saas-production/repo
         test -f /var/lib/xiaoxia-saas-production/repo/apps/web/dist/index.html
+        if [ -d "$old_assets_dir" ]; then
+          mkdir -p /var/lib/xiaoxia-saas-production/repo/apps/web/dist/assets
+          for asset in "$old_assets_dir"/*; do
+            [ -e "$asset" ] || continue
+            name="$(basename "$asset")"
+            if [ ! -e "/var/lib/xiaoxia-saas-production/repo/apps/web/dist/assets/$name" ]; then
+              cp -a "$asset" "/var/lib/xiaoxia-saas-production/repo/apps/web/dist/assets/$name"
+            fi
+          done
+          rm -rf "$old_assets_dir"
+        fi
         test -f /var/lib/xiaoxia-saas-production/.env
         cp /var/lib/xiaoxia-saas-production/.env /var/lib/xiaoxia-saas-production/repo/.env
         HOST_PREFIX= sh /var/lib/xiaoxia-saas-production/repo/infra/docker/deploy-production.sh

infra/docker/nginx-production.conf

@@ -21,8 +21,13 @@ server {
         proxy_request_buffering off;
     }
 
+    location = /index.html {
+        add_header Cache-Control "no-store, no-cache, must-revalidate" always;
+    }
+
     location / {
         try_files $uri $uri/ /index.html;
+        add_header Cache-Control "no-store, no-cache, must-revalidate" always;
     }
 
     location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {

tests/unit/test_release_scripts.py

@@ -54,6 +54,15 @@ def test_deploy_production_uses_production_infra_and_project():
     assert "EXPECTED_VERSION=$RELEASE_VERSION" in script
 
 
+def test_production_workflow_preserves_previous_web_assets():
+    workflow = Path(".gitea/workflows/deploy.yml").read_text(encoding="utf-8")
+    production_section = workflow.split("deploy-production:", 1)[1]
+
+    assert "old_assets_dir=\"/tmp/xiaoxia-previous-web-assets-${RELEASE_VERSION}\"" in production_section
+    assert "cp -a /var/lib/xiaoxia-saas-production/repo/apps/web/dist/assets/. \"$old_assets_dir\"/" in production_section
+    assert "if [ ! -e \"/var/lib/xiaoxia-saas-production/repo/apps/web/dist/assets/$name\" ]; then" in production_section
+
+
 def test_production_deploy_recreates_web_after_api_for_nginx_dns():
     script = Path("infra/docker/deploy-production.sh").read_text(encoding="utf-8")
 
@@ -72,6 +81,8 @@ def test_production_nginx_static_upstream_requires_web_recreate():
     assert "client_max_body_size 800m;" in config
     assert "proxy_read_timeout 300s;" in config
     assert "proxy_request_buffering off;" in config
+    assert 'location = /index.html' in config
+    assert 'Cache-Control "no-store, no-cache, must-revalidate" always' in config
     assert "--force-recreate web" in script