diff --git a/Dockerfile b/Dockerfile
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--- /dev/null
+++ b/Dockerfile
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+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy app
+COPY app.py .
+COPY logo.bin .
+
+# Expose port
+EXPOSE 5000
+
+# Run app
+RUN pip install gunicorn
+CMD ["gunicorn", "-b", "0.0.0.0:5000", "app:app"]
diff --git a/app.py b/app.py
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--- /dev/null
+++ b/app.py
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+from flask import Flask, jsonify, send_file
+import datetime
+import os
+import time
+from garminconnect import Garmin
+
+app = Flask(__name__)
+
+# --- CONFIG ---
+EMAIL = os.getenv("GARMIN_EMAIL")
+PASSWORD = os.getenv("GARMIN_PASSWORD")
+START_DATE = datetime.date.fromisoformat(os.getenv("START_DATE", "2026-01-01"))
+GOAL_KM = float(os.getenv("GOAL_KM", "80"))
+ALLOWED_TYPES = os.getenv("ALLOWED_TYPES", "running,treadmill_running").split(",")
+
+CACHE_TTL = int(os.getenv("CACHE_TTL", "300"))  # seconds (default 5 mins)
+
+# --- GLOBAL CACHE ---
+garmin_client = None
+last_login_time = 0
+
+cached_data = None
+last_fetch_time = 0
+
+
+def get_client():
+    global garmin_client, last_login_time
+
+    # Reuse client if already logged in
+    if garmin_client:
+        return garmin_client
+
+    # Otherwise login once
+    garmin_client = Garmin(EMAIL, PASSWORD)
+    garmin_client.login()
+    last_login_time = time.time()
+
+    print("✅ Logged into Garmin")
+
+    return garmin_client
+
+
+def get_garmin_data():
+    global cached_data, last_fetch_time
+
+    now = time.time()
+
+    # --- RETURN CACHED DATA ---
+    if cached_data and (now - last_fetch_time < CACHE_TTL):
+        print("⚡ Returning cached data")
+        return cached_data
+
+    try:
+        client = get_client()
+
+        today = datetime.date.today()
+        activities = client.get_activities_by_date(
+            START_DATE.isoformat(), today.isoformat()
+        )
+
+        total_meters = 0
+        for act in activities:
+            activity_type = act.get("activityType", {}).get("typeKey", "").lower()
+            if activity_type in ALLOWED_TYPES:
+                total_meters += act.get("distance", 0)
+
+        total_km = total_meters / 1000.0
+
+        result = {
+            "total_km": round(total_km, 2),
+            "goal_km": GOAL_KM,
+            "percent": round((total_km / GOAL_KM) * 100, 1),
+            "status": "success",
+        }
+
+        # --- UPDATE CACHE ---
+        cached_data = result
+        last_fetch_time = now
+
+        print("🔄 Fetched fresh data")
+
+        return result
+
+    except Exception as e:
+        # If Garmin session expired → reset client and retry once
+        print(f"⚠️ Error: {e}, retrying login...")
+
+        try:
+            reset_client()
+
+            client = get_client()
+
+            today = datetime.date.today()
+            activities = client.get_activities_by_date(
+                START_DATE.isoformat(), today.isoformat()
+            )
+
+            total_meters = sum(
+                act.get("distance", 0)
+                for act in activities
+                if act.get("activityType", {}).get("typeKey", "").lower() in ALLOWED_TYPES
+            )
+
+            total_km = total_meters / 1000.0
+
+            result = {
+                "total_km": round(total_km, 2),
+                "goal_km": GOAL_KM,
+                "percent": round((total_km / GOAL_KM) * 100, 1),
+                "status": "success",
+            }
+
+            cached_data = result
+            last_fetch_time = now
+
+            return result
+
+        except Exception as e2:
+            return {"status": "error", "message": str(e2)}
+
+
+def reset_client():
+    global garmin_client
+    garmin_client = None
+    print("♻️ Garmin client reset")
+
+
+@app.route('/progress')
+def progress():
+    return jsonify(get_garmin_data())
+
+
+@app.route('/image')
+def get_image():
+    return send_file("logo.bin", mimetype='application/octet-stream')
+
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5000)
diff --git a/docker-compose.yml b/docker-compose.yml
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--- /dev/null
+++ b/docker-compose.yml
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+services:
+  garmin-api:
+    build: .
+    container_name: garmin
+    ports:
+      - "5000:5000"
+    env_file:
+      - .env
+    restart: unless-stopped
diff --git a/logo.bin b/logo.bin
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index 0000000..5e3c6af
Binary files /dev/null and b/logo.bin differ
diff --git a/requirements.txt b/requirements.txt
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--- /dev/null
+++ b/requirements.txt
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+flask
+garminconnect
+requests