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Dockerfile

@@ -1,24 +1,16 @@
+# Use a minimal base image with Python 3.9 installed
 FROM python:3.9-slim
 
-# Set the working directory inside the container
-WORKDIR /app #Complete the code to mention the command in Docker to set the working directory
+# Set the working directory inside the container to /app
+WORKDIR /app
 
-# Copy all files from the current directory to the container's working directory
-COPY . . #Complete the code to mention the command in Docker to copy the files from the current directory to the container's working directory
+# Copy all files from the current directory on the host to the container's /app directory
+COPY . .
 
-# Install dependencies from the requirements file without using cache to reduce image size
-#   removed and replaced with below     RUN pip install --no-cache-dir --upgrade -r requirements.txt #Complete the code to mention the command in Docker to install dependencies
-RUN pip install --no-cache-dir --upgrade -r backend_files/requirements.txt
-
-
-# new scripts
-EXPOSE 7860
-
-# Define the command to start the application using Gunicorn with 4 worker processes
-# - `-w 4`: Uses 4 worker processes for handling requests
-# - `-b 0.0.0.0:7860`: Binds the server to port 7860 on all network interfaces
-# - `app:app`: Runs the Flask app (assuming `app.py` contains the Flask instance named `app`)
-#  removed the following detail    CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:superkart_api"]
-CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "backend_files.app:superkart_api"]
+# Install Python dependencies listed in requirements.txt
+RUN pip3 install -r requirements.txt
 
+# Define the command to run the Streamlit app on port 8501 and make it accessible externally
+CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0", "--server.enableXsrfProtection=false"]
 
+# NOTE: Disable XSRF protection for easier external access in order to make batch predictions

app.py

@@ -1,55 +1,39 @@
 
-# Import necessary libraries
-import numpy as np
-import joblib  # For loading the serialized model
-import pandas as pd  # For data manipulation
-from flask import Flask, request, jsonify  # For creating the Flask API
-
-# Initialize Flask app with a name
-superkart_api = Flask("superkart_api") #Complete the code to define the name of the app
-
-# Load the trained churn prediction model
-model = joblib.load("backend_files/tuned_gradient_boosting_regressor_model.joblib") #Complete the code to define the location of the serialized model
-
-# Define a route for the home page
-@superkart_api.get('/')
-def home():
-    return "Welcome to the Superkart Sales Prediction API!" #Complete the code to define a welcome message
-
-# Define an endpoint to predict churn for a single customer
-@superkart_api.post('/v1/predict')
-def predict_sales():
-    # Get JSON data from the request
-    data = request.get_json()
-
-    # Extract relevant customer features from the input data. The order of the column names matters.
-    sample = {
-        'Product_Weight': data['Product_Weight'],
-        'Product_Sugar_Content': data['Product_Sugar_Content'],
-        'Product_Allocated_Area': data['Product_Allocated_Area'],
-        'Product_MRP': data['Product_MRP'],
-        'Store_Size': data['Store_Size'],
-        'Store_Location_City_Type': data['Store_Location_City_Type'],
-        'Store_Type': data['Store_Type'],
-        'Product_Id_char': data['Product_Id_char'],
-        'Store_Age_Years': data['Store_Age_Years'],
-        'Product_Type_Category': data['Product_Type_Category']
-    }
-
-    # Convert the extracted data into a DataFrame
-    input_data = pd.DataFrame([sample])
-
-    # Make a churn prediction using the trained model
-    prediction = model.predict(input_data).tolist()[0]
-
-    # Return the prediction as a JSON response
-    return jsonify({'Sales': prediction})
-
-
-# Run the Flask app in debug mode
-#  changed following      if __name__ == '__main__':
-#  changed following        superkart_api.run(debug=True)
-if __name__ == '__main__':
-    import os
-    port = int(os.environ.get("PORT", 7860))
-    superkart_api.run(host="0.0.0.0", port=port)
+import streamlit as st
+import requests
+
+st.title("Product Store Sales Prediction App") #Complete the code to define the title of the app.
+
+# Input fields for product and store data
+Product_Weight = st.number_input("Product Weight", min_value=0.0, value=12.66)
+Product_Sugar_Content = st.selectbox("Product Sugar Content", ["Low Sugar", "Regular", "No Sugar"])
+Product_Allocated_Area = st.selectbox("Product Allocated Area", ["Small", "Medium", "Large"]) #Complete the code to define the UI element for Product_Allocated_Area
+Product_MRP = st.number_input("Product MRP", min_value=0.0, value=100.0) #Complete the code to define the UI element for Product_MRP
+Store_Size = st.selectbox("Store Size", ["Small", "Medium", "High"])   #Complete the code to define the UI element for Store_Size
+Store_Location_City_Type = st.selectbox("Store Location City Type", ["Tier 1", "Tier 2", "Tier 3"]) #Complete the code to define the UI element for Store_Location_City_Type
+Store_Type = st.selectbox("Store Type", ["Type 1", "Type 2", "Type 3", "Type 4"]) #Complete the code to define the UI element for Store_Type
+Product_Id_char = st.text_input("Product ID (char)", value="FDX") #Complete the code to define the UI element for Product_Id_char
+Store_Age_Years = st.number_input("Store Age (Years)", min_value=0, value=5) #Complete the code to define the UI element for Store_Age_Years
+Product_Type_Category = st.selectbox("Product Type Category", ["Food", "Non-Food", "Drinks"]) #Complete the code to define the UI element for Product_Type_Category
+
+product_data = {
+    "Product_Weight": Product_Weight,
+    "Product_Sugar_Content": Product_Sugar_Content,
+    "Product_Allocated_Area": Product_Allocated_Area,
+    "Product_MRP": Product_MRP,
+    "Store_Size": Store_Size,
+    "Store_Location_City_Type": Store_Location_City_Type,
+    "Store_Type": Store_Type,
+    "Product_Id_char": Product_Id_char,
+    "Store_Age_Years": Store_Age_Years,
+    "Product_Type_Category": Product_Type_Category
+}
+
+if st.button("Predict", type='primary'):
+    response = requests.post("https://Hunagypsy-my-docker-space.hf.space/v1/predict", json=product_data)    # Complete the code to enter user name and space name to correctly define the endpoint
+    if response.status_code == 200:
+        result = response.json()
+        predicted_sales = result["Sales"]
+        st.write(f"Predicted Product Store Sales Total: ₹{predicted_sales:.2f}")
+    else:
+        st.error("Error in API request")

requirements.txt

@@ -1,12 +1,2 @@
-pandas==2.2.2
-numpy==2.0.2
-scikit-learn==1.6.1
-seaborn==0.13.2
-joblib==1.4.2
-xgboost==2.1.4
-Werkzeug==2.2.2
-flask==2.2.2
-gunicorn==20.1.0
 requests==2.32.3
-uvicorn[standard]
-streamlit==1.45
+streamlit==1.45.0