feat: containerize application with Docker

Dockerfile

@@ -0,0 +1,13 @@
+FROM python:3.12-slim
+
+WORKDIR /app
+
+COPY app/ ./app/
+
+RUN useradd --system --no-create-home appuser
+
+USER appuser
+
+EXPOSE 8000
+
+CMD ["python", "-u", "app/app.py"]

app/app.py

@@ -30,6 +30,6 @@ class Handler(BaseHTTPRequestHandler):
 
 
 if __name__ == "__main__":
-    server = HTTPServer(("127.0.0.1", 8000), Handler)
+    server = HTTPServer(("0.0.0.0", 8000), Handler)
-    print("Listening on http://127.0.0.1:8000")
+    print("Listening on http://0.0.0.0:8000")
     server.serve_forever()