diff --git a/app/config.py b/app/config.py
index bae74a4..7fbed3c 100644
--- a/app/config.py
+++ b/app/config.py
@@ -2,12 +2,13 @@
 from pathlib import Path
 from typing import List, Literal, Optional
 
+from pydantic import computed_field
 from pydantic_settings import BaseSettings, SettingsConfigDict
 
 
 class Settings(BaseSettings):
     model_config = SettingsConfigDict(
-        env_prefix="XLWINGS_", env_file=os.getenv("DOTENV_PATH", ".env")
+        env_prefix="XLWINGS_", env_file=os.getenv("DOTENV_PATH", ".env"), extra="ignore"
     )
     add_security_headers: bool = True
     base_dir: Path = Path(__file__).resolve().parent
@@ -25,9 +26,13 @@ class Settings(BaseSettings):
     hostname: Optional[str] = None
     log_level: str = "INFO"
     public_addin_store: bool = False
-    static_dir: Path = base_dir / "static"
     license_key: str
 
+    @computed_field
+    @property
+    def static_dir(self) -> Path:
+        return self.base_dir / "static"
+
 
 settings = Settings()
 
diff --git a/app/main.py b/app/main.py
index 329407f..6129349 100644
--- a/app/main.py
+++ b/app/main.py
@@ -95,6 +95,7 @@ async def root():
 
 
 # Static files: in prod should be served via a HTTP server like nginx if possible
+# See also pending ASGI branch in https://github.com/evansd/whitenoise
 app.mount("/static", StaticFiles(directory=settings.static_dir), name="static")
 if settings.environment == "development":
     # Don't cache static files
diff --git a/app/routers/manifest.py b/app/routers/manifest.py
index 14834a7..fef164d 100644
--- a/app/routers/manifest.py
+++ b/app/routers/manifest.py
@@ -13,8 +13,6 @@
 
 @router.get("/manifest")
 async def manifest(request: Request):
-    logger.info(os.environ)
-    logger.info(os.getenv("RENDER_EXTERNAL_URL"))
     if settings.hostname:
         # Settings
         if settings.hostname.startswith("https://"):
@@ -25,7 +23,6 @@ async def manifest(request: Request):
     elif os.getenv("RENDER_EXTERNAL_URL"):
         # Render
         base_url = os.getenv("RENDER_EXTERNAL_URL")
-        logger.info(base_url)
     elif os.getenv("WEBSITE_HOSTNAME"):
         # Azure Functions
         base_url = os.getenv("WEBSITE_HOSTNAME")
diff --git a/app/static/images/examples/xlwings-16.png b/app/static/images/ribbon/examples/xlwings-16.png
similarity index 100%
rename from app/static/images/examples/xlwings-16.png
rename to app/static/images/ribbon/examples/xlwings-16.png
diff --git a/app/static/images/examples/xlwings-32.png b/app/static/images/ribbon/examples/xlwings-32.png
similarity index 100%
rename from app/static/images/examples/xlwings-32.png
rename to app/static/images/ribbon/examples/xlwings-32.png
diff --git a/app/static/images/examples/xlwings-64.png b/app/static/images/ribbon/examples/xlwings-64.png
similarity index 100%
rename from app/static/images/examples/xlwings-64.png
rename to app/static/images/ribbon/examples/xlwings-64.png
diff --git a/app/static/images/examples/xlwings-80.png b/app/static/images/ribbon/examples/xlwings-80.png
similarity index 100%
rename from app/static/images/examples/xlwings-80.png
rename to app/static/images/ribbon/examples/xlwings-80.png
diff --git a/app/templates/manifest.xml b/app/templates/manifest.xml
index 2afd393..02bfa00 100644
--- a/app/templates/manifest.xml
+++ b/app/templates/manifest.xml
@@ -1,10 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<OfficeApp
-  xmlns="http://schemas.microsoft.com/office/appforoffice/1.1"
+<OfficeApp xmlns="http://schemas.microsoft.com/office/appforoffice/1.1"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:bt="http://schemas.microsoft.com/office/officeappbasictypes/1.0"
-  xmlns:ov="http://schemas.microsoft.com/office/taskpaneappversionoverrides"
-  xsi:type="TaskPaneApp">
+  xmlns:ov="http://schemas.microsoft.com/office/taskpaneappversionoverrides" xsi:type="TaskPaneApp">
   <!-- TODO: Create your own ID via https://www.guidgen.com or by running in Python: import uuid;print(uuid.uuid4()) -->
   <Id>0a856eb1-91ab-4f38-b757-23fbe1f73130</Id>
   <Version>1.0.0</Version>
@@ -12,8 +10,8 @@
   <DefaultLocale>en-US</DefaultLocale>
   <DisplayName DefaultValue="xlwings Server" />
   <Description DefaultValue="xlwings Server" />
-  <IconUrl DefaultValue="{{ base_url }}/static/images/examples/xlwings-32.png" />
-  <HighResolutionIconUrl DefaultValue="{{ base_url }}/static/images/examples/xlwings-64.png" />
+  <IconUrl DefaultValue="{{ base_url }}/static/images/ribbon/examples/xlwings-32.png" />
+  <HighResolutionIconUrl DefaultValue="{{ base_url }}/static/images/ribbon/examples/xlwings-64.png" />
   <SupportUrl DefaultValue="https://www.xlwings.org/contact" />
   <AppDomains>
     <AppDomain>{{ base_url }}</AppDomain>
@@ -31,9 +29,7 @@
     <SourceLocation DefaultValue="{{ base_url }}/taskpane" />
   </DefaultSettings>
   <Permissions>ReadWriteDocument</Permissions>
-  <VersionOverrides
-    xmlns="http://schemas.microsoft.com/office/taskpaneappversionoverrides"
-    xsi:type="VersionOverridesV1_0">
+  <VersionOverrides xmlns="http://schemas.microsoft.com/office/taskpaneappversionoverrides" xsi:type="VersionOverridesV1_0">
     <Hosts>
       <Host xsi:type="Workbook">
         <!-- Custom Functions -->
@@ -43,7 +39,7 @@
         <AllFormFactors>
           <ExtensionPoint xsi:type="CustomFunctions">
             <Script>
-              <SourceLocation resid="Functions.Script.Url" />;
+              <SourceLocation resid="Functions.Script.Url" />
             </Script>
             <Page>
               <SourceLocation resid="Taskpane.Url" />
@@ -119,9 +115,9 @@
 
     <Resources>
       <bt:Images>
-        <bt:Image id="Icon.16x16" DefaultValue="{{ base_url }}/static/images/examples/xlwings-16.png" />
-        <bt:Image id="Icon.32x32" DefaultValue="{{ base_url }}/static/images/examples/xlwings-32.png" />
-        <bt:Image id="Icon.80x80" DefaultValue="{{ base_url }}/static/images/examples/xlwings-80.png" />
+        <bt:Image id="Icon.16x16" DefaultValue="{{ base_url }}/static/images/ribbon/examples/xlwings-16.png" />
+        <bt:Image id="Icon.32x32" DefaultValue="{{ base_url }}/static/images/ribbon/examples/xlwings-32.png" />
+        <bt:Image id="Icon.80x80" DefaultValue="{{ base_url }}/static/images/ribbon/examples/xlwings-80.png" />
       </bt:Images>
       <bt:Urls>
         <!-- This must point to the HTML document with the task pane -->