Add render.yaml

Readme.markdown

@@ -68,6 +68,7 @@ Feel free to file other bugs - and offer your help - at <https://github.com/mat/
 
 Simple options to host this service are, for example:
 
+- Render: <https://render.com/deploy>
 - Heroku: <https://heroku.com/deploy>
 - Google Cloud Run: <https://deploy.cloud.run>
 

render.yaml

@@ -0,0 +1,17 @@
+services:
+  - type: web
+    name: besticon
+    runtime: go
+    buildCommand: go build -tags netgo -ldflags '-s -w' -o bin/iconserver github.com/mat/besticon/v3/besticon/iconserver
+    startCommand: ./bin/iconserver
+    plan: free
+    envVars:
+      - key: POPULAR_SITES
+        value: "github.com,render.com,heroku.com"
+      - key: HOST_ONLY_DOMAINS
+        value: "*"
+      - key: CACHE_SIZE_MB
+        value: "32"
+      - key: SERVER_MODE
+        value: "redirect"
+    autoDeploy: true