Create app.py

app.py

@@ -0,0 +1,9 @@
+from flask import Flask
+app = Flask(__name__)
+
+@app.route("/")
+def hello():
+    return "<h1>Hello, Docker! My deployment is working!</h1>"
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=8080)