diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..cbc630e
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,21 @@
+FROM python:3.11-slim
+
+# System deps (optional – add what you actually need)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    curl ca-certificates && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Install Python deps first for better layer caching
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy your app
+COPY . .
+
+# Force the app to listen on all interfaces, fixed port
+ENV PORT=5050
+EXPOSE 5050
+
+# Generic python entrypoint (change main.py to your entry file)
+CMD ["python", "main.py"]
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 7e10602..318d819 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-flask
+Flask>=2.3
\ No newline at end of file