web-logger

IDK about you guys, but when I'm working on an application with multiple components, I can't necessarily be bothered figuring out where a console.log or a print or puts or System.out.println or ... is going to show up.

So I made this dumb web logger that you can post your logs to to retrieve in one place.

Usage

All you have to do is POST to https://dumbweblogs.herokuapp.com/[someIdYouMakeUp], with a body in the form '{ "content":"some log message" }'. To access the log, do GET on the same URL you posted to.

NOTE: the someIdYouMakeUp is the only thing stopping someone else reading your log messages, so

Try make it relatively unique, and
Don't log any sensitive data.

Example

Creating the log in Javascript:

const toBeLogged = { hello: 'world', answer: 42 };
await fetch("https://dumbweblogs.herokuapp.com/bob", {
  method: "POST",
  body: JSON.stringify({ content: toBeLogged }),
});

Reading the log with cURL (and piping to jq, to format the response):

curl -X GET https://dumbweblogs.herokuapp.com/bob | jq .

which gives back

{
  "created": "2022-08-20T05:00:45.566Z",
  "content": {
    "hello": "world",
    "answer": 42
  }
}

You can delete all your log messages by performing a DELETE request on your endpoint.

At the moment, it is only supported getting your most recent log message. I have plans to extend this.

Considerations

The log messages are stored in a file on the server. At the moment, they will remain until the server is restarted (which, knowing me, happens reasonably often :P).

Getting started

To develop locally, make sure you have a Deno runtime installed. Then, from the root directory of the project, run

deno run --allow-net --allow-env --allow-read --allow-write mod.ts

This will start a dev server on localhost:3000. You can change the port by prefixing the above command with PORT=some_port.

Why are the flags necessary?

--allow-net is for the app to respond to and send requests over the network
--allow-env is to read the PORT variable from the program's environment
--allow-read and --allow-write is to enable the reading and writing of a local log file.