The main reason for using Node.js is because the rest of our stack is Node.js: https://bedrock.io We use MongoDB as persistence and have existing wrappers for dealing with Google Cloud Storage. Since it's an isolated service we could've used a different implementation language. In our case Node.js in our existing Kubernetes environment was the least amount of friction. - Source: Hacker News / about 3 years ago

Railway and Deta are some good free hosts. Source: over 1 year ago

Deta | Engineering, Design & Go To Market | Germany OR US | https://deta.sh & https://alpha.deta.space Come build the Personal Cloud with us! We're on a mission to build a cloud platform that puts the developer first and gives the user extra superpowers at the same time. We're growing super fast mostly via WOM. We are a small team with a big impact. More jobs.deta.sh | hiring@deta.sh Keywords: golang, rust,... - Source: Hacker News / over 1 year ago

Also, Deta will host Flask serverless apps for free, not sure about other platforms. Compatibility can be hit or miss though. Source: over 1 year ago

You might also be able to deploy your app on Deta or Render, but this can be hit or miss. If you can, they'll worry about maintaining the server for you though. Source: over 1 year ago

If you could deploy it as a Node.js app instead of a container, you can use https://deta.sh. Source: over 1 year ago