add changes

Dockerfile

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+# Read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
+# you will also find guides on how best to write your Dockerfile
+
+FROM python:3.9
+
+RUN useradd -m -u 1000 user
+USER user
+ENV PATH="/home/user/.local/bin:$PATH"
+
+WORKDIR /app
+
+COPY --chown=user ./requirements.txt requirements.txt
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+COPY --chown=user . /app
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]

app.py

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+import streamlit as st
+import requests
+
+# Set Streamlit page config
+st.set_page_config(
+    page_title="World Population Dashboard",
+    page_icon="🌍",
+    layout="centered"
+)
+
+API_URL = "https://velmurugan1122-backend.hf.space"
+
+st.title("🌍 World Population Dashboard")
+st.subheader("Get insights into global population statistics")
+
+# Continent selection
+continents = ["Asia", "Africa", "Europe", "North America", "South America", "Australia", "Antarctica"]
+selected_continent = st.selectbox("🌎 Select a Continent", continents)
+
+if selected_continent:
+    try:
+        # Fetch general population stats
+        response = requests.get(f"{API_URL}/{selected_continent}")
+        max_pop_resp = requests.get(f"{API_URL}/continent/{selected_continent}/max_population_country")
+        min_pop_resp = requests.get(f"{API_URL}/continent/{selected_continent}/min_population_country")
+        avg_pop_resp = requests.get(f"{API_URL}/continent/{selected_continent}/avg_population_country")
+
+        if response.status_code == 200:
+            stats = response.json()
+            max_data = max_pop_resp.json() if max_pop_resp.status_code == 200 else {}
+            min_data = min_pop_resp.json() if min_pop_resp.status_code == 200 else {}
+            avg_data = avg_pop_resp.json() if avg_pop_resp.status_code == 200 else {}
+
+            st.write("### 🌟 Overall Continent Population Stats")
+            st.write(f"📈 **Max Population:** {stats['max_population']:,}")
+            st.write(f"📉 **Min Population:** {stats['min_population']:,}")
+            st.write(f"📊 **Avg Population:** {stats['avg_population']:,}")
+
+            st.write("---")
+
+            # Max Population Country
+            if max_data:
+                st.success(f"📈 **Most Populated Country:** {max_data['country']} ({max_data['max_population']:,})")
+
+            # Min Population Country
+            if min_data:
+                st.warning(f"📉 **Least Populated Country:** {min_data['country']} ({min_data['min_population']:,})")
+
+            # Avg Population Country
+            if avg_data:
+                st.info(f"📊 **Closest to Avg Population:** {avg_data['country']} ({avg_data['max_population']:,})")
+
+        else:
+            st.error("⚠️ Failed to fetch population data.")
+
+    except requests.RequestException as e:
+        st.error(f"❌ API Request Failed: {e}")

requirements.txt

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+streamlit
+requests