diff --git a/app.py b/app.py
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+++ b/app.py
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+from flask import Flask, jsonify, request
+from flask_cors import CORS
+import psycopg2
+import psycopg2.extras
+import json
+
+app = Flask(__name__)
+# Mengizinkan semua origin (termasuk port 5173 milik React) untuk mengakses API
+CORS(app, resources={r"/api/*": {"origins": "*"}})
+
+# =========================================================================
+# KONEKSI DATABASE NEON (SERVERLESS POSTGRESQL)
+# =========================================================================
+# Ganti string di bawah ini dengan Connection String asli dari dashboard Neon kamu!
+NEON_DB_URI = "postgresql://neondb_owner:npg_l27gXGaeChPq@ep-quiet-morning-aobokj6d.c-2.ap-southeast-1.aws.neon.tech/neondb?sslmode=require"
+
+def get_db_connection():
+    return psycopg2.connect(NEON_DB_URI)
+
+def generate_next_id(prefix, table_name):
+    """Mencari akhiran ID numerik tertinggi secara aman menggunakan Tuple index"""
+    conn = None
+    cursor = None
+    try:
+        conn = get_db_connection()
+        cursor = conn.cursor() # Menggunakan cursor biasa (tuple) agar lebih aman & cepat
+        cursor.execute(f"SELECT id FROM {table_name} ORDER BY id DESC LIMIT 1")
+        row = cursor.fetchone()
+        
+        if not row or row[0] is None:
+            return f"{prefix}001"
+        
+        # Ambil string ID (misal 'RI001' atau 'P003') dari index ke-0 tuple
+        last_id = str(row[0])
+        current_num = int(''.join(filter(str.isdigit, last_id)))
+        next_num = current_num + 1
+        return f"{prefix}{next_num:03d}"
+    except Exception as e:
+        print(f"Error generating ID untuk {table_name}: {e}")
+        import random
+        return f"{prefix}{random.randint(100, 999)}"
+    finally:
+        if cursor: cursor.close()
+        if conn: conn.close()
+
+# =========================================================================
+# API ENDPOINTS (GET METHOD)
+# =========================================================================
+
+@app.route('/api/jalan', methods=['GET'])
+def get_jalan():
+    conn = get_db_connection()
+    cursor = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
+    
+    # Mengambil field panjang yang sekarang sudah terisi otomatis dalam satuan meter
+    cursor.execute("SELECT id, nama, status, panjang, ST_AsGeoJSON(geom) as geom_json FROM jalan")
+    rows = cursor.fetchall()
+    
+    for row in rows:
+        if row['geom_json']:
+            row['geom'] = json.loads(row['geom_json'])
+        del row['geom_json']
+        
+        # Opsional: Membulatkan nilai panjang jalan menjadi 2 angka di belakang koma demi estetika UI
+        if row['panjang'] is not None:
+            row['panjang'] = round(row['panjang'], 2)
+            
+    cursor.close()
+    conn.close()
+    return jsonify(rows)
+
+@app.route('/api/area', methods=['GET'])
+def get_area():
+    conn = get_db_connection()
+    cursor = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
+    
+    # Mengambil semua field data area dari database
+    cursor.execute("SELECT id, nama, luas, ST_AsGeoJSON(geom) as geom_json FROM area")
+    rows = cursor.fetchall()
+    
+    for row in rows:
+        if row['geom_json']:
+            row['geom'] = json.loads(row['geom_json'])
+        del row['geom_json']
+        
+        # Opsional: Membulatkan nilai luas wilayah menjadi 2 angka di belakang koma untuk merapikan UI
+        if row['luas'] is not None:
+            row['luas'] = round(row['luas'], 2)
+            
+    cursor.close()
+    conn.close()
+    return jsonify(rows)
+
+@app.route('/api/ibadah', methods=['GET'])
+def get_ibadah():
+    conn = get_db_connection()
+    cursor = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
+    cursor.execute("SELECT id, nama, jenis, kontak, radius, ST_AsGeoJSON(geom) as geom_json FROM rumah_ibadah")
+    rows = cursor.fetchall()
+    
+    for row in rows:
+        if row['geom_json']:
+            row['geom'] = json.loads(row['geom_json'])
+        del row['geom_json']
+        
+    cursor.close()
+    conn.close()
+    return jsonify(rows)
+
+@app.route('/api/miskin', methods=['GET'])
+def get_miskin():
+    conn = get_db_connection()
+    cursor = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
+    
+    try:
+        cursor.execute("""
+            SELECT id, kepala_keluarga, jumlah_anggota, status_bantuan, jenis_bantuan, id_ibadah_terdekat, 
+                   ST_AsGeoJSON(geom) as geom_json 
+            FROM penduduk_miskin
+        """)
+        rows = cursor.fetchall()
+        
+        for row in rows:
+            if row['geom_json']:
+                row['geom'] = json.loads(row['geom_json'])
+            del row['geom_json']
+            
+            # Memisahkan kembali string koma menjadi Array murni untuk kebutuhan state di React
+            if row['jenis_bantuan']:
+                row['jenis_bantuan'] = [b.strip() for b in row['jenis_bantuan'].split(',')]
+            else:
+                row['jenis_bantuan'] = []
+                
+        response = rows
+    except Exception as e:
+        response = {"status": "error", "message": str(e)}
+        print(f"ERROR: Failed to fetch penduduk miskin: {e}")
+    finally:
+        cursor.close()
+        conn.close()
+        
+    return jsonify(response)
+
+# =========================================================================
+# API ENDPOINTS (POST METHOD)
+# =========================================================================
+
+@app.route('/api/ibadah/create', methods=['POST'])
+def create_ibadah():
+    data = request.json
+    next_id = generate_next_id('RI', 'rumah_ibadah')
+    
+    conn = get_db_connection()
+    cursor = conn.cursor()
+    
+    query = """
+        INSERT INTO rumah_ibadah (id, nama, jenis, kontak, radius, geom)
+        VALUES (%s, %s, %s, %s, %s, ST_GeomFromText(%s, 4326))
+    """
+    wkt_point = f"POINT({data['lng']} {data['lat']})"
+    
+    try:
+        cursor.execute(query, (
+            next_id, 
+            data['nama'], 
+            data['jenis'], 
+            data.get('kontak', ''),  # Menangani jika kontak kosong
+            int(data['radius']), 
+            wkt_point
+        ))
+        conn.commit()
+        response = {"status": "success", "generated_id": next_id}
+        print("SUCCESS: Rumah ibadah successfully saved to database!")
+    except Exception as e:
+        conn.rollback()
+        response = {"status": "error", "message": str(e)}
+        print(f"ERROR: Rumah ibadah insertion failed: {e}")
+    finally:
+        cursor.close()
+        conn.close()
+        
+    return jsonify(response)
+
+@app.route('/api/miskin/create', methods=['POST'])
+def create_miskin():
+    data = request.json
+    next_id = generate_next_id('P', 'penduduk_miskin')
+    wkt_point = f"POINT({data['lng']} {data['lat']})"
+    
+    conn = get_db_connection()
+    cursor = conn.cursor()
+    
+    query = """
+        INSERT INTO penduduk_miskin (id, kepala_keluarga, jumlah_anggota, status_bantuan, jenis_bantuan, id_ibadah_terdekat, geom)
+        VALUES (
+            %s, %s, %s, %s, %s, 
+            (SELECT id FROM rumah_ibadah ORDER BY geom::geography <-> ST_GeomFromText(%s, 4326)::geography LIMIT 1), 
+            ST_GeomFromText(%s, 4326)
+        )
+        RETURNING id_ibadah_terdekat;
+    """
+    
+    # Mengubah array Python ['PKH', 'BPJS_Kesehatan'] menjadi gabungan string 'PKH,BPJS_Kesehatan'
+    if isinstance(data.get('jenis_bantuan'), list):
+        jenis_bantuan_str = ",".join(data['jenis_bantuan'])
+    else:
+        jenis_bantuan_str = data.get('jenis_bantuan', '')
+    
+    try:
+        cursor.execute(query, (
+            next_id, 
+            data['kepala_keluarga'], 
+            data['jumlah_anggota'], 
+            data['status_bantuan'], 
+            jenis_bantuan_str, 
+            wkt_point, 
+            wkt_point
+        ))
+        
+        # Mengambil ID rumah ibadah terdekat yang berhasil dihitung otomatis oleh PostGIS
+        closest_ibadah_id = cursor.fetchone()[0]
+        conn.commit()
+        
+        response = {
+            "status": "success", 
+            "generated_id": next_id, 
+            "closest_hub": closest_ibadah_id,
+            "message": "Data penduduk miskin berhasil disimpan"
+        }
+        print("SUCCESS: Penduduk miskin successfully saved to database!")
+        
+    except Exception as e:
+        conn.rollback()
+        response = {"status": "error", "message": str(e)}
+        print(f"ERROR: Penduduk miskin insertion failed: {e}")
+        
+    finally:
+        cursor.close()
+        conn.close()
+        
+    return jsonify(response)
+
+@app.route('/api/jalan/create', methods=['POST'])
+def create_jalan():
+    data = request.json
+    conn = get_db_connection()
+    cursor = conn.cursor()
+
+    coords_str = ", ".join([f"{pt[1]} {pt[0]}" for pt in data['coords']])
+    wkt_line = f"LINESTRING({coords_str})"
+
+    # MENGGUNAKAN ST_Length agar kolom panjang (double precision) terisi otomatis dengan angka murni meter
+    query = """
+        INSERT INTO jalan (nama, status, panjang, geom)
+        VALUES (
+            %s, 
+            %s, 
+            ST_Length(ST_GeomFromText(%s, 4326)::geography), 
+            ST_GeomFromText(%s, 4326)
+        )
+    """
+    
+    try:
+        # Kita passing wkt_line dua kali (untuk hitung panjang dan untuk geometri)
+        cursor.execute(query, (data['nama'], data['status'], wkt_line, wkt_line))
+        conn.commit()
+        response = {"status": "success", "message": "Jalan successfully created"}
+        print("SUCCESS: Jalan successfully saved to database!")
+    except Exception as e:
+        conn.rollback()
+        response = {"status": "error", "message": str(e)}
+        print(f"ERROR: Jalan insertion failed: {e}")
+    finally:
+        cursor.close()
+        conn.close()
+        
+    return jsonify(response)
+
+@app.route('/api/area/create', methods=['POST'])
+def create_area():
+    data = request.json
+    conn = get_db_connection()
+    cursor = conn.cursor()
+
+    coords = list(data['coords'])
+    if coords[0] != coords[-1]:
+        coords.append(coords[0])
+
+    coords_str = ", ".join([f"{pt[1]} {pt[0]}" for pt in coords])
+    wkt_poly = f"POLYGON(({coords_str}))"
+
+    # We use exactly two %s because both ST_Area and ST_GeomFromText 
+    # will read from the same exact wkt_poly variable we pass in.
+    query = """
+        INSERT INTO area (nama, luas, geom)
+        VALUES (
+            %s, 
+            ST_Area(ST_GeomFromText(%s, 4326)::geography), 
+            ST_GeomFromText(%s, 4326)
+        )
+    """
+    
+    try:
+        cursor.execute(query, (data['nama'], wkt_poly, wkt_poly))
+        conn.commit()
+        response = {"status": "success", "message": "Area successfully created"}
+        # GANTI DARI EMOJI JADI TEKS BIASA BIAR TERMINAL WINDOWS TIDAK CRASH:
+        print("SUCCESS: Area successfully saved to database!")
+    except Exception as e:
+        conn.rollback()
+        response = {"status": "error", "message": str(e)}
+        # GANTI JUGA YANG INI:
+        print(f"ERROR: Database insertion failed: {e}")
+    finally:
+        cursor.close()
+        conn.close()
+        
+    return jsonify(response)
+
+if __name__ == '__main__':
+    app.run(debug=True, port=5000)
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