Create app.py

app.py

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+from fastapi import FastAPI, Request
+from pydantic import BaseModel
+from sentence_transformers import SentenceTransformer
+from typing import List
+import uvicorn
+
+app = FastAPI()
+
+# Load model once on startup
+model = SentenceTransformer('lighteternal/stsb-xlm-r-greek-transfer')
+
+# Request schema
+class EmbeddingRequest(BaseModel):
+    texts: List[str]
+
+# Health check endpoint
+@app.get("/")
+async def root():
+    return {"message": "Embedding API is running."}
+
+# Embedding endpoint
+@app.post("/embed")
+async def embed_text(request: EmbeddingRequest):
+    embeddings = model.encode(request.texts).tolist()
+    return {"embeddings": embeddings}
+
+# Optional for local testing
+if __name__ == "__main__":
+    uvicorn.run(app, host="0.0.0.0", port=7860)