OCaml CRUD

This is a simple CRUD application built with OCaml and PostgreSQL.

• GET /users/:id - Get a user by their ID

  Response:

  {
      "id": "c8d31481-fa56-4513-a5a4-14471646bb3b",
      "name": "Vitor S. Almeida",
      "email": "vitor@example.com"
  }

• POST /users - Create a new user

  Body:

  {
      "name": "Vitor",
      "email": "vitor-email@example.com"
  }

  Response:

  {
      "id": "3adb282e-80e6-442d-93b6-9b1183e08274",
      "name": "Vitor",
      "email": "vitor-email@example.com"
  }

• PUT /users/:id - Update a user

  Body:

  {
      "name": "Vitor New Name",
      "email": "vitor-new-email@example.com"
  }

  Response:

  {
      "id": "3adb282e-80e6-442d-93b6-9b1183e08274",
      "name": "Vitor New Name",
      "email": "vitor-new-email@example.com"
  }

• DELETE /users/:id - Delete a user

  Response:

  {
      "id": "3adb282e-80e6-442d-93b6-9b1183e08274",
      "message": "User deleted"
  }

How to run

docker compose up -d
dune build
dune exec ocaml_crud -w

You may have issues with the ppx_rapper_lwt. If you do, try to pin the dev. version:

opam pin ppx_rapper git+https://github.com/roddyyaga/ppx_rapper.git

And I'm open to issues! Feel free to open an issue if you have any questions or suggestions.

Cool commands

• dune exec ocaml_crud -w
• dune build @ocaml_crud -w