Spaces:
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Commit ·
985c159
1
Parent(s): 3c2366b
Initial deploy of FastAPI app with TensorFlow model
Browse files- Dockerfile +17 -0
- main.py +83 -0
- models/model.h5 +3 -0
- requirements.txt +4 -0
Dockerfile
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# Gunakan base image Python yang sesuai. TensorFlow sering membutuhkan versi Python tertentu.
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FROM python:3.9-slim-buster
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# Set direktori kerja di dalam container
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WORKDIR /app
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# Salin file requirements.txt dan install dependensi
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COPY requirements.txt .
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RUN pip install --no-cache-dir -r requirements.txt
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# Salin seluruh isi proyek Anda ke dalam container
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# Ini akan menyalin main.py dan folder models/ beserta isinya
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COPY . .
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# Komando untuk menjalankan aplikasi Uvicorn Anda
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# Penting: Hugging Face Spaces menggunakan port 7860 secara default
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CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]
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main.py
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from fastapi import FastAPI, File, UploadFile, HTTPException
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from fastapi.responses import JSONResponse
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from typing import List
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from io import BytesIO
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from PIL import Image
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import numpy as np
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import tensorflow as tf
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from fastapi.middleware.cors import CORSMiddleware
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# Inisialisasi aplikasi FastAPI
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app = FastAPI()
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["https://trash-scan-fe.vercel.app/"], # Gantilah dengan URL frontend Anda
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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# Muat model yang sudah dilatih sebelumnya
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MODEL_PATH = "models/model.h5" # Ganti dengan path model Anda
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try:
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model = tf.keras.models.load_model(MODEL_PATH)
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except Exception as e:
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raise RuntimeError(f"Gagal memuat model: {e}")
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# Label kelas (sesuaikan dengan model Anda)
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CLASS_NAMES = ["battery", "biological", "clothes", "metal", "plastic"] # Ganti dengan label model Anda
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def read_imagefile(file: bytes) -> Image.Image:
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"""Membaca file gambar dari bytes"""
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try:
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image = Image.open(BytesIO(file)).convert("RGB")
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return image
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except Exception as e:
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raise HTTPException(status_code=400, detail=f"Gagal membaca file gambar: {e}")
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def preprocess_image(image: Image.Image, target_size: tuple) -> np.ndarray:
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"""Preproses gambar sesuai dengan kebutuhan model"""
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image = image.resize(target_size)
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image_array = np.array(image) / 255.0 # Normalisasi
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image_array = np.expand_dims(image_array, axis=0) # Tambahkan batch dimension
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return image_array
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@app.post("/predict")
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async def predict_image(file: UploadFile = File(...)):
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"""Endpoint untuk prediksi gambar"""
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# Tambahkan log awal untuk debugging
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print(f"File diterima: {file.filename}, Content-Type: {file.content_type}")
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# Validasi tipe file
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if not file.content_type.startswith("image"):
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raise HTTPException(status_code=400, detail="File yang diunggah bukan gambar")
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# Baca dan preproses gambar
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try:
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image = read_imagefile(await file.read())
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image_array = preprocess_image(image, target_size=(224, 224)) # Sesuaikan ukuran dengan model Anda
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except Exception as e:
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raise HTTPException(status_code=500, detail=f"Gagal memproses gambar: {e}")
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# Lakukan prediksi menggunakan model
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try:
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predictions = model.predict(image_array)
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predicted_class = CLASS_NAMES[np.argmax(predictions)]
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confidence = float(np.max(predictions))
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except Exception as e:
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raise HTTPException(status_code=500, detail=f"Gagal melakukan prediksi: {e}")
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# Kembalikan hasil prediksi
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return JSONResponse(content={
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"predicted_class": predicted_class,
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"confidence": confidence,
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"filename": file.filename # Tambahkan informasi nama file untuk debugging
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})
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# Jalankan server
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# .venv\Scripts\activate # Aktifkan virtual environment
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# Gunakan `uvicorn main:app --reload` untuk menjalankan API
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models/model.h5
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version https://git-lfs.github.com/spec/v1
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oid sha256:340f4cd407a37259fb0cf21b66a8fc51744287de6193da76ccc058904c3c5d55
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size 9475672
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requirements.txt
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fastapi
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uvicorn
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tensorflow
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Pillow
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