Error 502 Bad Gateway on Ngrok when i try connect with alexa -


when try connect amazon develper raspberry pi, using ngrok, output 502 bad gateway. tried all, , saw lot fórums this, worked. i'm trying https://developer.amazon.com/blogs/post/tx14r0iyygh3skt/flask-ask-a-new-python-framework-for-rapid-alexa-skills-kit-development. can me? thanks

make sure program running on pi. check localhost:"your port number" , see if default page shows up. ngrok tunnels whatever on localhost onto web endpoint. make sure port number correct. know flask-ask uses port 5000.


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