Create app/main.py

app/main.py

@@ -0,0 +1,14 @@
+from fastapi import FastAPI
+from pydantic import BaseModel
+from sentence_transformers import SentenceTransformer
+
+app = FastAPI()
+model = SentenceTransformer("sentence-transformers/all-MiniLM-L6-v2")
+
+class EmbedRequest(BaseModel):
+    text: str
+
+@app.post("/embed")
+def embed_text(req: EmbedRequest):
+    emb = model.encode(req.text).tolist()
+    return {"embedding": emb}