diff --git a/.gitignore b/.gitignore
index 4ce29a1..69ffbd5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -65,4 +65,5 @@ desktop.ini
 
 received_screenshots/
 mosquitto/
-alte/
\ No newline at end of file
+alte/
+screenshots/
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index de61e9b..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,56 +0,0 @@
-```dockerfile
-# Use a stable Python base image
-FROM python:3.11-slim
-
-# Build arguments for host user mapping
-ARG USER_ID=1000
-ARG GROUP_ID=1000
-
-# Create non-root user
-RUN groupadd -g ${GROUP_ID} infoscreen_taa \
-    && useradd -u ${USER_ID} -g ${GROUP_ID} --shell /bin/bash --create-home infoscreen_taa
-
-# Ensure user exists
-RUN getent passwd infoscreen_taa
-
-# Install locale dependencies and generate UTF-8 locale
-RUN apt-get update && apt-get install -y locales \
-    && sed -i 's/# de_DE.UTF-8 UTF-8/de_DE.UTF-8 UTF-8/' /etc/locale.gen \
-    && locale-gen
-
-# Set environment variables for locale
-ENV LANG=de_DE.UTF-8 \
-    LANGUAGE=de_DE:de \
-    LC_ALL=de_DE.UTF-8
-
-# Enable Dash debug during development
-ENV DASH_DEBUG_MODE=True
-
-# Working directory inside container
-WORKDIR /app  # entspricht mount in devcontainer.json
-
-# Copy only requirements first for efficient caching
-COPY server/requirements-dev.txt ./
-
-# Install dev dependencies under the non-root user
-USER infoscreen_taa
-RUN pip install --upgrade pip \
-    && pip install --user -r requirements-dev.txt
-
-# Switch back to root to copy source files and fix permissions
-USER root
-
-# Copy the server application code into /app
-COPY server/ /app
-RUN chown -R infoscreen_taa:infoscreen_taa /app
-
-# Create config directory under the non-root user's home
-RUN mkdir -p /home/infoscreen_taa/.config/Infoscreen-Server \
-    && chown -R infoscreen_taa:infoscreen_taa /home/infoscreen_taa/.config/Infoscreen-Server
-
-# Expose development ports
-EXPOSE 8000 8050
-
-# Use a long-running process so the container stays alive
-CMD ["tail", "-f", "/dev/null"]
-```
diff --git a/dashboard/Dockerfile b/dashboard/Dockerfile
index f2335b4..0ebca70 100644
--- a/dashboard/Dockerfile
+++ b/dashboard/Dockerfile
@@ -10,7 +10,7 @@ WORKDIR /app
 # --- Systemabhängigkeiten installieren (falls benötigt) ---
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \
-       build-essential \
+       build-essential git \
     && rm -rf /var/lib/apt/lists/*
 
 # --- Python-Abhängigkeiten kopieren und installieren ---
diff --git a/dashboard/Dockerfile.dev b/dashboard/Dockerfile.dev
index 22aa010..4c0e404 100644
--- a/dashboard/Dockerfile.dev
+++ b/dashboard/Dockerfile.dev
@@ -28,10 +28,12 @@ WORKDIR /app
 
 # Kopiere nur Requirements für schnellen Rebuild
 COPY requirements.txt ./
+COPY requirements-dev.txt ./
 
 # Installiere Abhängigkeiten
 RUN pip install --upgrade pip \
-    && pip install --no-cache-dir -r requirements.txt
+    && pip install --no-cache-dir -r requirements.txt \
+    && pip install --no-cache-dir -r requirements-dev.txt
 
 # Setze Entwicklungs-Modus
 ENV DASH_DEBUG_MODE=True
@@ -39,9 +41,10 @@ ENV API_URL=http://server:8000/api
 
 # Ports für Dash und optional Live-Reload
 EXPOSE 8050
+EXPOSE 5678
 
 # Wechsle zum non-root User
 USER infoscreen_taa
 
 # Dev-Start: Dash mit Hot-Reload
-CMD ["tail", "-f", "/dev/null"]
+CMD ["python", "-m", "debugpy", "--listen", "0.0.0.0:5637", "app.py"]
diff --git a/dashboard/app.py b/dashboard/app.py
index 10bb02b..d75a3dd 100644
--- a/dashboard/app.py
+++ b/dashboard/app.py
@@ -1,4 +1,6 @@
 # dashboard/app.py
+import sys
+sys.path.append('/workspace')
 
 from dash import Dash, html, dcc, page_container
 from flask import Flask
diff --git a/dashboard/callbacks/overview_callbacks.py b/dashboard/callbacks/overview_callbacks.py
index ee35494..513d183 100644
--- a/dashboard/callbacks/overview_callbacks.py
+++ b/dashboard/callbacks/overview_callbacks.py
@@ -1,8 +1,9 @@
 # dashboard/callbacks/overview_callbacks.py
 import sys
-print(sys.path)
+sys.path.append('/workspace')
 import threading
 import dash
+import requests
 from dash import Input, Output, State, MATCH, html, dcc
 from flask import session
 from utils.db import get_session  # Diese Funktion muss eine SQLAlchemy-Session liefern!
@@ -10,7 +11,8 @@ from utils.mqtt_client import publish, start_loop
 from config import ENV
 import dash_bootstrap_components as dbc
 import os
-from server.models import Client
+
+API_BASE_URL = os.getenv("API_BASE_URL", "http://infoscreen-api:8000")
 
 mqtt_thread_started = False
 SCREENSHOT_DIR = "received-screenshots"
@@ -23,46 +25,48 @@ def ensure_mqtt_running():
         mqtt_thread_started = True
 
 def get_latest_screenshot(client_uuid):
-    prefix = f"{client_uuid}_"
+    # TODO: Hier genau im Produkitv-Modus die IPs testen!
+    # Wenn API_BASE_URL auf "http" beginnt, absolute URL verwenden (z.B. im lokalen Dev)
+    if API_BASE_URL.startswith("http"):
+        return f"{API_BASE_URL}/screenshots/{client_uuid}"
+    # Sonst relative URL (nginx-Proxy übernimmt das Routing)
+    return f"/screenshots/{client_uuid}"
+
+def fetch_clients():
     try:
-        files = [f for f in os.listdir('..', SCREENSHOT_DIR) if f.startswith(prefix)]
-        if not files:
-            return "/assets/placeholder.png"
-        latest = max(files, key=lambda x: os.path.getmtime(os.path.join('.', SCREENSHOT_DIR, x)))
-        return f"/received-screenshots/{latest}"
-    except Exception:
-        return "/assets/placeholder.png"
+        resp = requests.get(f"{API_BASE_URL}/api/clients")
+        resp.raise_for_status()
+        return resp.json()
+    except Exception as e:
+        print("Fehler beim Abrufen der Clients:", e)
+        return []
 
 @dash.callback(
     Output("clients-cards-container", "children"),
     Input("interval-update", "n_intervals")
 )
 def update_clients(n):
-    # Auto-Login im Development-Modus
-    if "role" not in session:
-        if ENV == "development":
-            session["role"] = "admin"
-        else:
-            return dcc.Location(id="redirect-login", href="/login")
-
+    # ... Session-Handling wie gehabt ...
     ensure_mqtt_running()
-    session_db = get_session()
-    clients = session_db.query(Client).all()
-    session_db.close()
+    clients = fetch_clients()
     cards = []
     for client in clients:
-        uuid = client.uuid
+        uuid = client["uuid"]
+        # screenshot = get_latest_screenshot(uuid)
         screenshot = get_latest_screenshot(uuid)
+        # if screenshot[-3] != "jpg":
+        #     screenshot += ".jpg"
+        print(f"UUID: {uuid}, Screenshot: {screenshot}")
         card = dbc.Card(
             [
-                dbc.CardHeader(client.location or client.hardware_hash),
+                dbc.CardHeader(client["location"]),
                 dbc.CardBody([
                     html.Img(
                         src=screenshot,
                         style={"width": "160px", "height": "90px", "object-fit": "cover"},
                     ),
-                    html.P(f"IP: {client.ip_address or '-'}", className="card-text"),
-                    html.P(f"Letzte Aktivität: {client.last_alive or '-'}", className="card-text"),
+                    html.P(f"IP: {client["ip_address"] or '-'}", className="card-text"),
+                    html.P(f"Letzte Aktivität: {client["last_alive"] or '-'}", className="card-text"),
                     dbc.ButtonGroup([
                         dbc.Button("Reload Page", color="primary", id={"type": "btn-reload", "index": uuid}, n_clicks=0),
                         dbc.Button("Restart Client", color="danger", id={"type": "btn-restart", "index": uuid}, n_clicks=0),
diff --git a/dashboard/requirements-dev.txt b/dashboard/requirements-dev.txt
new file mode 100644
index 0000000..8ccada8
--- /dev/null
+++ b/dashboard/requirements-dev.txt
@@ -0,0 +1 @@
+debugpy
\ No newline at end of file
diff --git a/dashboard/requirements.txt b/dashboard/requirements.txt
index 97f2c9c..7447fd4 100644
--- a/dashboard/requirements.txt
+++ b/dashboard/requirements.txt
@@ -8,3 +8,5 @@ full-calendar-component>=0.0.4
 pandas>=2.2.3
 paho-mqtt>=2.1.0
 python-dotenv>=1.1.0
+PyMySQL>=1.1.1
+SQLAlchemy>=2.0.41
diff --git a/dashboard/utils/mqtt_client.py b/dashboard/utils/mqtt_client.py
index e8e1e27..1ab151a 100644
--- a/dashboard/utils/mqtt_client.py
+++ b/dashboard/utils/mqtt_client.py
@@ -5,6 +5,7 @@ import threading
 import time
 from dotenv import load_dotenv
 import paho.mqtt.client as mqtt
+import random
 
 # 1. Laden der Umgebungsvariablen aus .env
 load_dotenv(dotenv_path=os.path.join(os.path.dirname(__file__), "..", ".env"))
@@ -15,7 +16,9 @@ MQTT_BROKER_PORT    = int(os.getenv("MQTT_BROKER_PORT", "1883"))
 MQTT_USERNAME       = os.getenv("MQTT_USERNAME", None)
 MQTT_PASSWORD       = os.getenv("MQTT_PASSWORD", None)
 MQTT_KEEPALIVE      = int(os.getenv("MQTT_KEEPALIVE", "60"))
-MQTT_CLIENT_ID      = os.getenv("MQTT_CLIENT_ID", f"dash-{int(time.time())}")
+base_id = os.getenv("MQTT_CLIENT_ID", "dash")
+unique_part = f"{os.getpid()}_{random.randint(1000,9999)}"
+MQTT_CLIENT_ID = f"{base_id}-{unique_part}"
 
 # 3. Erstelle eine globale Client‐Instanz
 client = mqtt.Client(client_id=MQTT_CLIENT_ID)
diff --git a/docker-compose.yml b/docker-compose.yml
index e37525d..ada2fca 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,6 +3,19 @@ networks:
     driver: bridge
 
 services:
+  proxy:
+    image: nginx:1.25
+    container_name: infoscreen-proxy
+    ports:
+      - "80:80"
+      - "443:443"
+    volumes:
+      - ./nginx.conf:/etc/nginx/nginx.conf:ro
+    depends_on:
+      - server
+      - dashboard
+    networks:
+      - infoscreen-net
   db:
     image: mariadb:11.4.7
     container_name: infoscreen-db
diff --git a/nginx.conf b/nginx.conf
new file mode 100644
index 0000000..457383e
--- /dev/null
+++ b/nginx.conf
@@ -0,0 +1,24 @@
+events {}
+http {
+    upstream dashboard {
+        server infoscreen-dashboard:8050;
+    }
+    server {
+        listen 80;
+        server_name _;
+
+        location /api/ {
+            proxy_pass http://infoscreen-api:8000/api/;
+        }
+        location /screenshots/ {
+            proxy_pass http://infoscreen-api:8000/screenshots/;
+        }
+        location / {
+            proxy_pass http://dashboard;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+    }
+}
\ No newline at end of file
diff --git a/server/Dockerfile b/server/Dockerfile
index a62ef94..d649576 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -10,7 +10,7 @@ WORKDIR /app
 # --- Systemabhängigkeiten für MariaDB-Client & Locale ---
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \
-       libmariadb-dev-compat libmariadb-dev locales \
+       libmariadb-dev-compat libmariadb-dev locales git\
     && rm -rf /var/lib/apt/lists/*
 
 # --- Locale konfigurieren ---
diff --git a/server/Dockerfile.dev b/server/Dockerfile.dev
index b13c4d2..f9553e8 100644
--- a/server/Dockerfile.dev
+++ b/server/Dockerfile.dev
@@ -34,6 +34,7 @@ RUN pip install --upgrade pip \
 
 # Expose Ports für Flask API
 EXPOSE 8000
+EXPOSE 5678
 
 # Setze Env für Dev
 ENV FLASK_ENV=development
@@ -43,4 +44,4 @@ ENV ENV_FILE=.env
 USER infoscreen_taa
 
 # Default Command: Flask Development Server
-CMD ["flask", "run", "--host=0.0.0.0", "--port=8000"]
+CMD ["python", "-m", "debugpy", "--listen", "0.0.0.0:5678", "wsgi.py"]
diff --git a/server/mqtt_multitopic_receiver.py b/server/mqtt_multitopic_receiver.py
index f3088d7..24d54d5 100644
--- a/server/mqtt_multitopic_receiver.py
+++ b/server/mqtt_multitopic_receiver.py
@@ -1,15 +1,19 @@
+import sys
+sys.path.append('/workspace')
 import os
 import json
 import base64
 import glob
-from datetime import datetime, timezone
-# import paho.mqtt.client as mqtt
+from datetime import datetime
 from paho.mqtt import client as mqtt_client
-import pytz
 from sqlalchemy import create_engine, func
 from sqlalchemy.orm import sessionmaker
 from models import Client, Base
 from helpers.check_folder import ensure_folder_exists
+import shutil
+
+# Basisverzeichnis relativ zum aktuellen Skript
+BASE_DIR = os.path.dirname(os.path.abspath(__file__))
 
 # Konfiguration
 MQTT_BROKER = os.getenv("MQTT_BROKER_HOST", "localhost")
@@ -27,24 +31,26 @@ topics = [
     ("infoscreen/heartbeat", 0),
     # ... weitere Topics hier
 ]
-SAVE_DIR = "received_screenshots"
+
+# Verzeichnisse für Screenshots
+RECEIVED_DIR = os.path.join(BASE_DIR, "received_screenshots")
+LATEST_DIR = os.path.join(BASE_DIR, "screenshots")
 MAX_PER_CLIENT = 20
 
-# Ordner für empfangene Screenshots anlegen
-ensure_folder_exists(SAVE_DIR)
+# Ordner für empfangene Screenshots und den neuesten Screenshot anlegen
+ensure_folder_exists(RECEIVED_DIR)
+ensure_folder_exists(LATEST_DIR)
 
 # Datenbank konfigurieren (MariaDB)
-# Ersetze user, password, host und datenbankname entsprechend.
 DB_URL = f"mysql+pymysql://{DB_USER}:{DB_PASSWORD}@{DB_HOST}/{DB_NAME}"
 engine = create_engine(DB_URL, echo=False)
 Session = sessionmaker(bind=engine)
-# Falls Tabellen noch nicht existieren
 Base.metadata.create_all(engine)
 
 
 def prune_old_screenshots(client_id: str):
     """Löscht alte Screenshots, wenn mehr als MAX_PER_CLIENT vorhanden sind."""
-    pattern = os.path.join(SAVE_DIR, f"{client_id}_*.jpg")
+    pattern = os.path.join(RECEIVED_DIR, f"{client_id}_*.jpg")
     files = sorted(glob.glob(pattern), key=os.path.getmtime)
     while len(files) > MAX_PER_CLIENT:
         oldest = files.pop(0)
@@ -68,12 +74,17 @@ def handle_screenshot(msg):
 
         # Dateiname mit Client-ID und Zeitstempel
         filename = ts.strftime(f"{client_id}_%Y%m%d_%H%M%S.jpg")
-        filepath = os.path.join(SAVE_DIR, filename)
+        received_path = os.path.join(RECEIVED_DIR, filename)
 
-        # Bild speichern
-        with open(filepath, "wb") as f:
+        # Bild im Verzeichnis "received_screenshots" speichern
+        with open(received_path, "wb") as f:
             f.write(img_data)
-        print(f"Bild gespeichert: {filepath}")
+        print(f"Bild gespeichert: {received_path}")
+
+        # Kopiere den neuesten Screenshot in das Verzeichnis "screenshots"
+        latest_path = os.path.join(LATEST_DIR, f"{client_id}.jpg")
+        shutil.copy(received_path, latest_path)
+        print(f"Neuester Screenshot aktualisiert: {latest_path}")
 
         # Alte Screenshots beschneiden
         prune_old_screenshots(client_id)
@@ -81,6 +92,7 @@ def handle_screenshot(msg):
     except Exception as e:
         print("Fehler beim Verarbeiten der Screenshot-Nachricht:", e)
 
+
 def handle_heartbeat(msg):
     """Verarbeitet Heartbeat und aktualisiert oder legt Clients an."""
     session = Session()
@@ -100,7 +112,6 @@ def handle_heartbeat(msg):
         else:
             # Neuer Client: Location per input abfragen
             location = input(f"Neuer Client {uuid} gefunden. Bitte Standort eingeben: ")
-            # ip_address = msg._sock.getpeername()[0]
             new_client = Client(
                 uuid=uuid,
                 hardware_hash=hardware_hash,
diff --git a/server/requirements-dev.txt b/server/requirements-dev.txt
index a1cd17c..63446bd 100644
--- a/server/requirements-dev.txt
+++ b/server/requirements-dev.txt
@@ -1 +1,2 @@
-python-dotenv>=1.1.0
\ No newline at end of file
+python-dotenv>=1.1.0
+debugpy
diff --git a/server/wsgi.py b/server/wsgi.py
index 9cc1e40..6662a93 100644
--- a/server/wsgi.py
+++ b/server/wsgi.py
@@ -1,6 +1,20 @@
 # server/wsgi.py
+import glob
+import os
+from flask import Flask, jsonify, send_from_directory
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy import create_engine
+from models import Client, Base
 
-from flask import Flask, jsonify
+DB_USER = os.getenv("DB_USER")
+DB_PASSWORD = os.getenv("DB_PASSWORD")
+DB_HOST = os.getenv("DB_HOST")
+DB_NAME = os.getenv("DB_NAME")
+
+# Datenbank-Engine und Session anlegen (passe ggf. die DB-URL an)
+DB_URL = f"mysql+pymysql://{DB_USER}:{DB_PASSWORD}@{DB_HOST}/{DB_NAME}"
+engine = create_engine(DB_URL, echo=False)
+Session = sessionmaker(bind=engine)
 
 app = Flask(__name__)
 
@@ -14,3 +28,40 @@ def index():
     return "Hello from Infoscreen‐API!"
 
 # (Weitere Endpunkte, Blueprints, Datenbank-Initialisierung usw. kommen hierher)
+@app.route("/screenshots/<uuid>")
+def get_screenshot(uuid):
+    """Liefert den aktuellen Screenshot für die angegebene UUID zurück."""
+    print(f"Anfrage für Screenshot mit UUID: {uuid}")
+    pattern = os.path.join("screenshots", f"{uuid}*.jpg")
+    files = glob.glob(pattern)
+    if not files:
+        return jsonify({"error": "Screenshot not found"}), 404
+    # Es gibt nur eine Datei pro UUID
+    filename = os.path.basename(files[0])
+    print(filename)
+    print("Arbeitsverzeichnis:", os.getcwd())
+    print("Suchmuster:", pattern)
+    print("Gefundene Dateien:", files)
+    return send_from_directory("screenshots", filename)
+
+@app.route("/api/clients")
+def get_clients():
+    # from models import Client  # Import lokal, da im selben Container
+    print("Abrufen der Clients aus der Datenbank...")
+    session = Session()
+    clients = session.query(Client).all()
+    result = [
+        {
+            "uuid": c.uuid,
+            "location": c.location,
+            "hardware_hash": c.hardware_hash,
+            "ip_address": c.ip_address,
+            "last_alive": c.last_alive.isoformat() if c.last_alive else None
+        }
+        for c in clients
+    ]
+    session.close()
+    return jsonify(result)
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=8000, debug=True)
\ No newline at end of file