Launch a webserver via plumber to serve data

Launch a webserver via plumber to serve data

gp_plumb(
  run = TRUE,
  port = 8000,
  file = "R/plumber.R",
  front = FALSE,
  host = "127.0.0.1",
  background = TRUE
)

Arguments

run	should plumber run the server or return it as an object
port	to serve from
file	location of plumber.R file used by plumber
front	should geoplumber start the front dev server? Defaults
host	host to pass to plumber default http://127.0.0.1 to FALSE.
background	run the R process in the background using callr, defaults to TRUE.

Value

an instance of plumber::plumb if run is set to FALSE, a process id from callr::r_bg to easily destroy if parameter background is default TRUE.

See also

gp_plumb_front()

Examples

{
d <- file.path(tempdir(), "gp")
gp_create(d)
old <- setwd(d)
ps <- gp_plumb()
ps
Sys.sleep(1) # just in case
ps
require(RCurl)
webpage <- getURL("http://localhost:8000")
webpage <- readLines(tc <- textConnection(webpage)); close(tc)
tail(webpage)
ps$kill()
setwd(old)
unlink(d, recursive = TRUE)
}
#> Creating directory: /tmp/RtmptyG4FH/gp
#> To build/run app, set working directory to: /tmp/RtmptyG4FH/gp
#> Standard output from create-react-app works.
#> You can run gp_ functions from directory: /tmp/RtmptyG4FH/gp
#> To build the front end run: gp_build()
#> To run the geoplumber app: gp_plumb()
#> Happy coding.
#> WARNING:
#> Looks like geoplumber was not built, serveing API only.
#> To serve the front end run gp_build() first.
#> Loading required package: RCurl