diff --git a/.DS_Store b/.DS_Store
index e5ad8bf..a13b8d2 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/bitmap_service/app.py b/bitmap_service/app.py
index 35b5091..75f7b2a 100644
--- a/bitmap_service/app.py
+++ b/bitmap_service/app.py
@@ -33,9 +33,9 @@ def bitmap():
 
         payload = ''.join([chr(i) for i in bitmap_data])
         print(payload)
-        req = requests.post('http://10.141.142.75/api/tag', data=payload)
-
-        return jsonify({'code': req.status_code})
+        # req = requests.post('http://10.141.142.75/api/tag', data=payload)
+        return jsonify({'payload': payload})
+        # return jsonify({'code': req.status_code})
 
     except Exception as e:
         return jsonify({"error": e}), 500
diff --git a/docker-compose.yml b/docker-compose.yml
index c185784..3a3682f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,8 +9,13 @@ services:
     container_name: backend_service
     ports:
       - "12001:80"
+  # bitmap_service:
+  #   build: ./bitmap_service
+  #   container_name: bitmap_service
+  #   ports:
+  #     - "12002:80"
   bitmap_service:
-    build: ./bitmap_service
-    container_name: bitmap_service
+    build: ./trash
+    container_name: trash
     ports:
       - "12002:80"
\ No newline at end of file
diff --git a/trash/app.py b/trash/app.py
new file mode 100644
index 0000000..5391410
--- /dev/null
+++ b/trash/app.py
@@ -0,0 +1,55 @@
+from flask import Flask, request, jsonify
+from flask_cors import CORS
+from PIL import Image 
+import io 
+from tcp import send_request
+
+app = Flask(__name__)
+CORS(app)
+
+@app.route('/')
+def root():
+    return 'ok'
+
+@app.route('/api/bitmap', methods=['POST'])
+def bitmap():
+
+    if 'file' not in request.files:
+        return jsonify({"error": "no file"}), 400
+
+    file = request.files['file']
+
+    if file.filename == '':
+        return jsonify({"error": "no file"}), 400
+
+    if not file.filename.lower().endswith('.png'):
+        return jsonify({"error": "invalid file format"}), 400
+
+    try:
+        image_stream = io.BytesIO(file.read())
+        img = Image.open(image_stream)
+        grayscale_img = img.convert('L')
+        bitmap_data = list(grayscale_img.getdata())
+
+        payload = ''.join([chr(i) for i in bitmap_data])
+        print(payload)
+        
+        chunk_size = 2048
+        for i in range(0, len(payload), chunk_size):
+            data = {
+                "command": "update_image",
+                "index": i,
+                "data": bytes(payload[i:i+chunk_size])
+            }
+            send_request(data)
+        send_request({"command":"push_image"})
+        
+        # req = requests.post('http://10.141.142.75/api/tag', data=payload)
+        return jsonify({'payload': payload})
+        # return jsonify({'code': req.status_code})
+
+    except Exception as e:
+        return jsonify({"error": e}), 500
+
+if __name__ == '__main__':
+    app.run('0.0.0.0', port=80)
diff --git a/trash/dockerfile b/trash/dockerfile
new file mode 100644
index 0000000..41af328
--- /dev/null
+++ b/trash/dockerfile
@@ -0,0 +1,9 @@
+FROM python:3.9
+
+WORKDIR /app
+
+COPY . . 
+
+RUN pip3 install pillow flask flask-cors requests
+
+CMD ["python3", "app.py"]
\ No newline at end of file
diff --git a/trash/tcp.py b/trash/tcp.py
new file mode 100644
index 0000000..120bc43
--- /dev/null
+++ b/trash/tcp.py
@@ -0,0 +1,28 @@
+from typing import Dict, Any
+import socket
+
+import msgpack
+
+SERVER_ADDRESS = ('172.16.0.249', 8888)
+
+def send_request(data:Dict[str, Any]):
+    client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    client_socket.connect(SERVER_ADDRESS)
+    
+    try:    
+        message:bytes = msgpack.packb(data)
+
+        client_socket.sendall(message)
+
+        rx = client_socket.recv(1024)
+        if data:
+            print(f"Received message: {rx.decode('utf-8').strip()}")
+        else:
+            print("Connection closed")
+            return
+    except ConnectionResetError:
+        print("Connection reset")
+    finally:
+        client_socket.close()
+        print("Connection closed")
+