Add 404 page

Content/error/404.md

@@ -0,0 +1,6 @@
+#  Error 404 - Page not found
+
+The page you are looking for might have been removed, had it's name changed or is temporarily unavailable.  
+Please try again later.  
+
+[Return to the home page](https://blog.vapor.codes)

Sources/Website/main.swift

@@ -20,8 +20,6 @@ struct MainSite: Website {
 
 try MainSite().publish(using: [
     .copyResources(),
-    // Here we remove the default .addMarkdownFiles()
-    // since we don't need to add any markdown files
-    // and can therefore remove the Content folder
+    .addMarkdownFiles(),
     .generateHTML(withTheme: .vaporMainSite),
 ])

stack.yml

@@ -20,6 +20,15 @@ Resources:
       BucketName: !Ref 'S3BucketName'
       WebsiteConfiguration:
         IndexDocument: index.html
+        # Redirect
+        ErrorDocument: /error/404/index.html
+        RoutingRules:
+          - RoutingRuleCondition:
+              HttpErrorCodeReturnedEquals: '404'
+              KeyPrefixEquals: /
+            RedirectRule:
+              HostName: !Ref 'DomainName'
+              ReplaceKeyPrefixWith: error/404/
   WebsiteCloudfront:
     Type: AWS::CloudFront::Distribution
     Properties:
@@ -36,6 +45,10 @@ Resources:
         Aliases:
         - !Ref 'DomainName'
         - !Sub 'www.${DomainName}'
+        CustomErrorResponses:
+          - ErrorCode: 403
+            ResponseCode: 404
+            ResponsePagePath: '/error/404/index.html'
         DefaultCacheBehavior:
           AllowedMethods:
           - GET