diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..94a93c2
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,21 @@
+# start by pulling the python image
+FROM python:3.8-alpine
+
+# copy the requirements file into the image
+COPY ./requirements.txt /app/requirements.txt
+
+# switch working directory
+WORKDIR /app
+
+# install the dependencies and packages in the requirements file
+RUN pip install -r requirements.txt
+
+# copy every content from the local file to the image
+COPY ./app.py /app
+COPY ./templates/index.html /app/templates/index.html
+COPY ./static/favicon.ico /app/static/favicon.ico
+
+# configure the container to run in an executed manner
+ENTRYPOINT [ "python" ]
+
+CMD ["app.py" ]
\ No newline at end of file
diff --git a/app.py b/app.py
index d3b6f31..224db57 100644
--- a/app.py
+++ b/app.py
@@ -1,4 +1,5 @@
-from flask import Flask, render_template, request, session
+import os
+from flask import Flask, render_template, request, session, send_from_directory
 from flask_bootstrap import Bootstrap
 
 app = Flask(__name__)
@@ -7,6 +8,7 @@ Bootstrap(app)
 
 gesamtwert = 0
 change = 0
+given = 0
 sum = ""
 item1 = 0
 item2 = 0
@@ -17,7 +19,7 @@ item6 = 0
 
 @app.route("/", methods=["GET", "POST"])
 def index():
-    global gesamtwert, item1, item2, item3, item4, item5, item6, sum, givenfloat, change
+    global gesamtwert, item1, item2, item3, item4, item5, item6, sum, givenfloat, change, given
 
     if request.method == "POST":
         # wert = float(request.form["wert"])
@@ -79,5 +81,10 @@ def index():
         item6=session.get('item6', 0),
         )
 
+@app.route('/favicon.ico')
+def favicon():
+    return send_from_directory(os.path.join(app.root_path, 'static'),
+        'favicon.ico', mimetype='image/vnd.microsoft.icon')
+
 if __name__ == "__main__":
-    app.run(debug=True, host="192.168.177.24")
\ No newline at end of file
+    app.run(debug=True, host='0.0.0.0')
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..a8f81e7
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+Flask==3.0.3
+Flask-Bootstrap==3.3.7.1
+requests==2.32.2
diff --git a/static/favicon.ico b/static/favicon.ico
new file mode 100644
index 0000000..c41da86
Binary files /dev/null and b/static/favicon.ico differ
diff --git a/templates/favicon.ico b/templates/favicon.ico
deleted file mode 100644
index 9fea1e6..0000000
Binary files a/templates/favicon.ico and /dev/null differ