darklang / darklang/dark

Component: HTTP Handlers

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Dominant language
F#
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Description

This Issue exists to collect many items that relate to "Http Handlers" in Darklang

In Darklang-classic, HTTP Handlers only existed in our Cloud runtime (since that was the only runtime), but going forward we should have them supported for the Local/CLI runtime as well.

  • bring them back locally, in some minimal capacity
  • how do custom domains work in this new world? (see #3327)
  • reimplement LibMiddleware (see #4151 and #3892. also #3407)
  • revisit how we handle responses, esp errors (#4572)
  • warm up BwdServer when it starts (see #3782)
  • look at opts.Limits.MaxConcurrentconnections (likely applies to bwdserver)
  • support HTTP Streaming

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Review the linked issues (#3327, #4151, #3892, #3407, #4572, and #3782) and the existing HTTP-handler and BwdServer entry points first. Scope the Local/CLI support items and define completion separately for middleware, response errors, startup warm-up, concurrency limits, custom domains, and streaming.

Written by the indexing model from the issue text.

Assessment

Tech stack
fsharp
Domain
api, backend, cli
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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