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RestRserve

R build status CRAN status codecov License Lifecycle: stable gitter tinyverse

RestRserve is an R web API framework for building high-performance AND robust microservices and app backends. On UNIX-like systems and Rserve backend RestRserve handles requests in parallel: each request in a separate fork - credits go to Simon Urbanek.

Quick start

Creating application is as simple as:

library(RestRserve)
app = Application$new()

app$add_get(
  path = "/health", 
  FUN = function(.req, .res) {
    .res$set_body("OK")
  })

app$add_post(
  path = "/addone", 
  FUN = function(.req, .res) {
    result = list(x = .req$body$x + 1L)
    .res$set_content_type("application/json")
    .res$set_body(result)
  })


backend = BackendRserve$new()
backend$start(app, http_port = 8080)

Test it with curl:

curl localhost:8080/health
# OK
curl -H "Content-Type: application/json" -d '{"x":10}' localhost:8080/addone
# {"x":11}

Autocomplete

Using convenient .req, .res names for handler arguments allows to leverage autocomplete.

Learn RestRserve

Features

Installation

From CRAN

install.packages("RestRserve", repos = "https://cloud.r-project.org")

Docker

Debian and Alpine based images are available on docker-hub -https://hub.docker.com/r/rexyai/restrserve/

docker pull rexyai/restrserve

You can also install specific version (and we encourage to do so):

docker pull rexyai/restrserve:1.2.0-alpine

Contributing

Guidelines for filing issues / pull requests - CONTRIBUTING.md.

Acknowledgements

Known limitations

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.