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Deploy NestJS typescript app to Heroku (Solved: 503 Error)

Rosy Shrestha on February 27, 2021

Deploying applications on Heroku is pretty straightforward in most cases. But I ran into a problem while deploying my NestJS application that inclu...

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Lazaro O'Farrill • Apr 17 '22 • Edited

Great article, just wanted to point out that step 6 is not correct. That is what you would do if you didn't go through step 5. If you setup the Procfile to run start:prod you don't need development dependencies.

Rosy Shrestha • May 14 '22

Thanks for the feedback !

Sebastian Weiß • Dec 28 '21

Thanks a log :)

I am using it with fastify and I was required to add process.env.HOST to the listen too. Something like

const port = process.env.PORT ?? 3000;
const host = process.env.HOST || '0.0.0.0';

.....
await app.listen(port, host);

Emiliano Peralta • Apr 19 '22

Thanks!

Md Saeed Sharman • Jan 15 '22

I did not change the NPM_CONFIG_PRODUCTION flag but added required depenencies and was able to deploy successfully.

"dependencies": {
"@nestjs/cli": "^8.0.0",
"@nestjs/axios": "0.0.3",
"@nestjs/common": "^8.0.0",
"@nestjs/core": "^8.0.0",
"@nestjs/platform-express": "^8.0.0",
"@types/cache-manager": "^3.4.2",
"@types/express": "^4.17.13",
"@types/node": "^16.0.0",
"cache-manager": "^3.6.0",
"reflect-metadata": "^0.1.13",
"rimraf": "^3.0.2",
"rxjs": "^7.2.0"
},

Nils Jansen • Apr 8 '21

Great post! I was looking for a solution to this for way too long. Most tutorials say "just include /dist in the git repository" which really messes things up when trying to merge branches etc. :D