add Docker file

Dockerfile

+# Use a lightweight Python base image
+FROM python:3.10-slim
+
+# Set working directory inside container
+WORKDIR /app
+
+# Copy dependency file first (for caching)
+COPY requirements.txt .
+
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of your application code
+COPY . .
+
+# Set environment variables (you can override these when running the container)
+ENV REDDIT_CLIENT_ID= \
+    REDDIT_CLIENT_SECRET= \
+    PORT=8000
+
+# Expose the port your app runs on
+EXPOSE ${PORT}
+
+# Command to run your Python app (update as needed)
+# For example, if you have an app.py file:
+CMD ["python", "app.py"]

app.py

@@ -50,5 +50,8 @@ json_output = json.dumps(data, indent=4)
 print(json_output)
 
 # Optionally, save to file:
-with open("reddit_data.json", "w") as f:
+# with open("reddit_data.json", "w") as f:
+#     json.dump(data, f, indent=4)
+
+with open("/app/output/reddit_data.json", "w") as f:
     json.dump(data, f, indent=4)