automatically resize/optimize images via Hugo processing

config.toml

@@ -13,7 +13,8 @@ pygmentsCodeFences = true
 
 enableRobotsTXT = true
 
-# enableGitInfo = true     # messed up sitemap.xml timestamps
+# increase timeout for image processing
+timeout = 60000
 
 [outputs]
   home = ["HTML", "RSS"]
@@ -22,6 +23,12 @@ enableRobotsTXT = true
 [sitemap]
   filename = "sitemap.xml"
 
+[imaging]
+  # options for resampling filters:
+  # https://github.com/disintegration/imaging#image-resizing
+  resampleFilter = "Linear"
+  quality = 100
+
 [blackfriday]
   hrefTargetBlank = true
   nofollowLinks = true