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How to Deploy a Deno app to Heroku: Hands-on!

Trilochan Parida
#TechEntrepreneur, Passionate about #technology #coding, Love to #troubleshoot #travel
・1 min read


In this video, you will learn how to deploy a Deno app to Heroku. Make sure that you have watched my previous video on how to build REST API in Deno if not please watch:

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Discussion (4)

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wobsoriano profile image
Robert

Were you able to deploy an app with deno_mongo? For some reason, I can't make it work.

2020-08-02T13:13:01.283479+00:00 app[web.1]: Check file:///app/index.ts
2020-08-02T13:13:06.139127+00:00 app[web.1]: INFO downloading deno plugin "deno_mongo" from "https://github.com/manyuanrong/deno_mongo/releases/download/v0.9.1/libdeno_mongo.so"
2020-08-02T13:13:06.145764+00:00 app[web.1]: error: Uncaught PermissionDenied: network access to "https://github.com/manyuanrong/deno_mongo/releases/download/v0.9.1/libdeno_mongo.so", run again with the --allow-net flag

Procfile

web: deno run --allow-net=:${PORT} --allow-read --allow-write --allow-plugin --unstable -c tsconfig.json index.ts --port=${PORT}

As you can see, it requires me to add the --allow-net flag even if it's already there in my Procfile. Anyway, I've submitted the issue to the buildpack maintainer.

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wobsoriano profile image
Robert

Anyway it works now, I have to do --allow-net instead of --allow-net=:${PORT}

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Chris Castle

This is great! Thanks for putting it together and sharing it!

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Trilochan Parida Author

Thank you!