feat: add health check (#9)

Author: MiniDigger

bun.lockb

@@ -11,3 +11,8 @@ services:
             - ./.storage/cache:/worker/cache
         ports:
             - "8080:8080"
+        healthcheck:
+            test: ["CMD", "wget", "-qO-", "http://localhost:8080/health"]
+            interval: 15s
+            timeout: 10s
+            retries: 3

docker-compose.yml

@@ -13,6 +13,9 @@
     "typescript": "^5.7.2",
     "wrangler": "^3.99.0"
   },
+  "devDependencies": {
+    "selflare": "^1.1.2"
+  },
   "scripts": {
     "build": "selflare compile",
     "start": "wrangler dev src/index.ts --local=true",

package.json

@@ -810,6 +810,11 @@ export default {
         env: Env,
         ctx: ExecutionContext
     ): Promise<Response> {
+        const url = new URL(request.url)
+        if (url.pathname === "/health") {
+            return new Response("OK", { status: 200 });
+        }
+
         const bound = new BoundEnv(env);
         return handleRequest(request, bound).catch(handleError);
     },