I am noob, how do I keep the HTTP server running if I want to start it from the command line?

Specific Domains Web Stack
1

I have a very simple HTTP server that I want to run

server.jl 
using Pkg

Pkg.add("HTTP")

using HTTP

# if false
ENV["PORT"] = "8080"
# end

print(ENV["PORT"])

const PORT = parse(Int, ENV["PORT"])

using HTTP

# HTTP.listen! and HTTP.serve! are the non-blocking versions of HTTP.listen/HTTP.serve
server = HTTP.serve!(PORT) do request::HTTP.Request
   @show request
   @show request.method
   @show HTTP.header(request, "Content-Type")
   @show request.body
   try
       return HTTP.Response("Hello")
   catch e
       return HTTP.Response(400, "Error: $e")
   end
end

#close(server)

So I try to trigger it using julia server.jl from bash and it seems to close instantly.

I am very new to this web things, what do I need to do to keep this server running so I can test it by sending request to it?

2

Either use the blocking call or put in a long sleep or something else which keeps your script from exiting.

1 Like
3

you can julia -i script.jl so it drops you into interactive session after loading the script

4

I want to eventually run this from docker. Yeah so no need to drop into an interactive session

5

Put wait(Condition()) at the end of the script and it will stay open.

6

You can just wait(#= for the =# server).

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7

Yeah, you can call wait(server) or just don’t use the HTTP.serve! bang version and use the blocking version like HTTP.serve(...)

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