Add application file

.vscode/settings.json

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+{
+    "liveServer.settings.port": 5501
+}

Dockerfile

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+FROM python:3.9
+
+WORKDIR /code
+
+COPY ./requirements.txt /code/requirements.txt
+
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+
+RUN useradd -m -u 1000 user
+
+USER user
+
+ENV HOME=/home/user \
+ PATH=/home/user/.local/bin:$PATH
+
+WORKDIR $HOME/app
+
+COPY --chown=user . $HOME/app
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]

LICENSE.md

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+The MIT License (MIT)
+
+Copyright (c) 2022 Himesh Samarasekera
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

Procfile

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+web: uvicorn main:app --host 0.0.0.0 --port $PORT

insurance_model.pkl

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+version https://git-lfs.github.com/spec/v1
+oid sha256:ce5baecaec7aa0475bc4f500227df4d42dadaa242c2c95ac1a930b8281b755d1
+size 633

main.py

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+#!/usr/bin/env python
+# encoding: utf-8
+
+from fastapi import FastAPI, Form, Depends, Request
+from fastapi.templating import Jinja2Templates
+from pydantic import BaseModel
+import pickle
+import json
+
+app = FastAPI()
+
+# Menentukan direktori templates
+templates = Jinja2Templates(directory="templates")
+
+model_file = open('insurance_model.pkl', 'rb')
+model = pickle.load(model_file, encoding='bytes')
+
+
+class Msg(BaseModel):
+    msg: str
+
+
+class Req(BaseModel):
+    age: int
+    sex: int
+    smoker: int
+    bmi: float
+    children: int
+    region: int
+
+
+@app.get("/")
+async def root():
+    return {"message": "Hello World. Welcome to FastAPI!"}
+
+
+def form_req(age: str = Form(...), sex: str = Form(...), smoker: str = Form(...),
+             bmi: str = Form(...), children: str = Form(...), region: str = Form(...)):
+    sBmi = bmi.replace(",", ".")
+    return Req(age=int(age), sex=int(sex), smoker=int(smoker), bmi=float(sBmi), children=int(children), region=int(region))
+
+
+@app.get("/path")
+async def demo_get():
+    return {"message": "This is /path endpoint, use a post request to transform the text to uppercase"}
+
+
+@app.post("/path")
+async def demo_post(inp: Msg):
+    return {"message": inp.msg.upper()}
+
+
+@app.get("/path/{path_id}")
+async def demo_get_path_id(path_id: int):
+    return {"message": f"This is /path/{path_id} endpoint, use post request to retrieve result"}
+
+
+@app.get("/predict/{path_id}")
+async def predict(path_id: int):
+    return {"message":  f"This is /predict/{path_id} endpoint, use post request to retrieve result"}
+
+
+@app.post("/predict")
+async def predict(request: Request, requess: Req = Depends(form_req)):
+    '''
+    Predict the insurance cost based on user inputs
+    and render the result to the html page
+    '''
+    age = requess.age
+    sex = requess.sex
+    smoker = requess.smoker
+    bmi = requess.bmi
+    children = requess.children
+    region = requess.region
+    data = []
+
+    data.append(int(age))
+    data.extend([int(sex)])
+    data.extend([float(bmi)])
+    data.extend([int(children)])
+    data.extend([int(smoker)])
+    data.extend([int(region)])
+
+    prediction = model.predict([data])
+    output = round(prediction[0], 2)
+
+    # Merender index.html dengan data hasil prediksi
+    return templates.TemplateResponse(
+        "index.html",
+        {
+            "request": request,
+            "insurance_cost": output,
+            "age": requess.age,
+            "sex": "Laki-laki" if requess.sex == 1 else "Perempuan",
+            "smoker": "Ya" if requess.smoker == 1 else "Tidak",
+            "bmi": requess.bmi,  # Menambahkan ini
+            "children": requess.children,  # Menambahkan ini
+            "region": get_region_name(requess.region)  # Menambahkan ini
+        }
+    )
+
+def get_region_name(region_code):
+    region_mapping = {
+        0: "Northeast",
+        1: "Northwest",
+        2: "Southeast",
+        3: "Southwest"
+    }
+    return region_mapping.get(region_code, "Unknown")
+

model.pkl

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+version https://git-lfs.github.com/spec/v1
+oid sha256:f0e2966701ef9bda29bde5d34b776789a0f614589c179d44bf33dbde8b3362f0
+size 630

pyproject.toml

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+[tool.poetry]
+name = "railway-fastapi-template"
+version = "0.1.0"
+description = "This example starts up a FastAPI server"
+authors = ["DeviousLab <deviouslab@gmail.com>"]
+license = "MIT"
+
+[tool.poetry.dependencies]
+python = "^3.10"
+fastapi = "^0.80.0"
+uvicorn = "^0.18.3"
+
+[tool.poetry.dev-dependencies]
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"

requirements.txt

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+anyio>=3.7.1
+click==8.1.7
+fastapi==0.103.2
+h11==0.14.0
+httptools==0.6.0
+idna==3.4
+pydantic==2.4.2
+python-dotenv==1.0.0
+python-multipart==0.0.6
+PyYAML==6.0.1
+sniffio==1.3.0
+starlette>=0.27.0
+typing_extensions==4.8.0
+uvicorn==0.23.2
+watchfiles==0.20.0
+websockets==11.0.3
+scikit-learn
+jinja2

templates/index.html

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+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link href="https://unpkg.com/tailwindcss@^2/dist/tailwind.min.css" rel="stylesheet" />
+    <title>Aplikasi Prediksi Biaya Asuransi</title>
+  </head>
+
+  <body class="flex flex-col justify-between item-center p-8 min-h-screen bg-gradient-to-r from-purple-400 to-purple-700 text-gray-800 md:flex-row">
+    <main class="bg-white p-16 rounded-lg">
+      <h1 class="text-3xl font-bold mb-8">Prediksi Biaya Asuransi Anda:</h1>
+
+      <form action="http://127.0.0.1:8000/predict" method="post" enctype="multipart/form-data" class="flex flex-col">
+        <label for="age" class="mb-2">Usia</label>
+        <input type="text" name="age" placeholder="Usia" required="required" class="p-4 bg-gray-100 rounded-md" />
+
+        <label for="sex" class="mt-4 mb-2">Jenis Kelamin:</label>
+        <select name="sex" id="sex" class="p-4 bg-gray-100 rounded-md">
+          <option value="1">Laki-laki</option>
+          <option value="0">Perempuan</option>
+        </select>
+
+        <label for="smoker" class="mt-4 mb-2">Perokok:</label>
+        <select name="smoker" id="smoker" class="p-4 bg-gray-100 rounded-md">
+          <option value="1">Ya</option>
+          <option value="0">Tidak</option>
+        </select>
+
+        <label for="bmi" class="mt-4 mb-2">BMI:</label>
+        <input type="text" name="bmi" placeholder="BMI" required="required" class="p-4 bg-gray-100 rounded-md" />
+
+        <label for="children" class="mt-4 mb-2">Jumlah Anak:</label>
+        <input type="text" name="children" placeholder="Jumlah Anak" required="required" class="p-4 bg-gray-100 rounded-md" />
+
+        <label for="region" class="mt-4 mb-2">Region:</label>
+        <select name="region" id="region" class="p-4 bg-gray-100 rounded-md">
+          <option value="3">Southwest</option>
+          <option value="2">Southeast</option>
+          <option value="1">Northwest</option>
+          <option value="0">Northeast</option>
+        </select>
+
+        <button type="submit" class="flex justify-center align-center mt-8 p-4 bg-gradient-to-r from-purple-400 to-purple-700 text-white rounded-md">
+          PREDIKSI SEKARANG<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-arrow-right ml-4">
+            <line x1="5" y1="12" x2="19" y2="12"></line>
+            <polyline points="12 5 19 12 12 19"></polyline>
+          </svg>
+        </button>
+      </form>
+    </main>
+    <section class="mt-8 h-full flex-auto rounded-lg md:mt-0 md:ml-8">
+      <div class="bg-white p-16 rounded-lg">
+        <h1 class="text-2xl mb-8">Estimasi biaya asuransi Anda adalah</h1>
+        <h2 class="text-5xl font-bold">${{ '{:,.2f}'.format(insurance_cost) }} USD</h2>
+        {% if insurance_cost != 0 %}
+          <div class="mt-8">
+            <p><strong>Usia:</strong> {{ age }} tahun</p>
+            <p><strong>Jenis kelamin:</strong> {{ sex }}</p>
+            <p><strong>Status perokok:</strong> {{ smoker }}</p>
+            <p><strong>BMI:</strong> {{ bmi }}</p>
+            <p><strong>Jumlah Anak:</strong> {{ children }}</p>
+            <p><strong>Region:</strong> {{ region }}</p>
+          </div>
+        {% endif %}
+      </div>
+      <div class="flex justify-around p-16 rounded-lg mt-8">
+        <img class="h-24 md:h-28" src="https://elib.its.ac.id/conf/cyberdas/public/assets/img/img_navbar.svg" alt="logo-dts" />
+      </div>
+    </section>
+  </body>
+</html>