Create app.py

app.py

@@ -0,0 +1,43 @@
+import os
+from fastapi import FastAPI, UploadFile, File, Response
+import httpx
+
+# Endpoint Space tujuan (bisa dioverride via Space variable TARGET_URL)
+TARGET_URL = os.getenv(
+    "TARGET_URL",
+    "https://not-lain-background-removal.hf.space/image"
+)
+
+app = FastAPI(title="Background Removal Proxy")
+
+@app.get("/")
+async def root():
+    return {
+        "ok": True,
+        "message": "POST /removebg with multipart field 'image' → returns image/png",
+        "target": TARGET_URL,
+    }
+
+@app.get("/healthz")
+async def health():
+    return {"ok": True}
+
+@app.post("/removebg")
+async def removebg(image: UploadFile = File(...)):
+    timeout = httpx.Timeout(60.0, connect=20.0)
+    async with httpx.AsyncClient(timeout=timeout, follow_redirects=True) as client:
+        files = {
+            # Space target menerima field bernama 'image'
+            "image": (image.filename, await image.read(), image.content_type or "image/jpeg")
+        }
+
+        # retry ringan untuk cold start/gateway
+        for attempt in range(2):
+            r = await client.post(TARGET_URL, files=files)
+            if r.status_code == 200:
+                return Response(content=r.content, media_type="image/png")
+            if r.status_code in (502, 503, 504) and attempt == 0:
+                continue
+            return Response(content=r.text, media_type="application/json", status_code=r.status_code)
+
+    return Response(content='{"detail":"unknown error"}', media_type="application/json", status_code=500)