serverino 0.3.1

Small and ready-to-go http/https server

To use this package, run the following command in your project's root directory:

Manual usage
Put the following dependency into your project's dependences section:

serverino BUILD & TEST

  • Ready-to-go http server
  • Cross-platform (Linux/Windows/MacOS)
  • Multi-process
  • Dynamic number of workers
  • Zero dependencies
  • Build & start your project in a few seconds


dub init your_fabulous_project -t serverino
cd your_fabulous_project
dub run

A simple webserver in just three lines

import serverino;
mixin ServerinoMain;
void hello(const Request req, Output output) { output ~= req.dump(); }

Documentation you need

Defining more than one endpoint

Every function marked with ```@endpoint``` is called until one writes something to output. The calling order is defined by `@priority`

import serverino;
mixin ServerinoMain;

// This function will never block the execution of other endpoints since it doesn't write anything to output
// In this case `output` param is not needed and this works too: `@priority(10) @endpoint void logger(Request req)`
@priority(10) @endpoint void logger(Request req, Output output)
   import std.experimental.logger; // std.experimental.logger works fine!

// This endpoint (default priority == 0) handles the homepage
// Request and Output can be used in @safe code
@endpoint void hello(Request req, Output output)
   // Skip this endpoint if uri is not "/"
   if (req.uri != "/") return;

   output ~= "Hello world!";

// This function will be executed only if `hello(...)` doesn't write anything to output.
@priority(-10000) @endpoint void notfound(const Request req, Output output)
   output.status = 404;
   output ~= "Not found";

@onServerInit UDA

Use `@onServerInit` to configure your server

// Try also `setup(string args[])` if you need to read arguments passed to your application
@onServerInit ServerinoConfig setup()
   ServerinoConfig sc = ServerinoConfig.create(); // Config with default params
   sc.addListener("", 8080);
   sc.addListener("", 8081);
   // etc...

   return sc;

@onWorkerStart, @onWorkerStop UDAs

 When a worker is created, this function is called.
 Useful to init database connection & everything else.
auto start()
   // Connect to db...

Use serverino across multiple modules

module test;
import serverino;

@endpoint void f1(Request r, Output o) { ... }
module other;
import serverino;

@endpoint void f2(Request r, Output o) { ... }
module main;
import serverino;
import test, other;

mixin ServerinoMain!(other, test); // Current module is always processed

Shielding the whole thing

I would not put serverino into the wild. For using in production I suggest shielding serverino under nginx. It's pretty easy. Just add these lines inside your nginx configuration:

server {
   listen 80 default_server;
   listen [::]:80 default_server;
   location /your_path/ {
      proxy_set_header Host $host;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_pass http://localhost:8080;

If you want to enable keepalive (between nginx and serverino) you must use an upstream:

upstream your_upstream_name {
  server localhost:8080;
  keepalive 64;

server {
   listen 80 default_server;
   listen [::]:80 default_server;

   location /your_path/ {
      proxy_set_header Connection "";
      proxy_http_version 1.1;
      proxy_set_header Host $host;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_pass http://your_upstream_name;
  • Andrea Fontana
Sub packages:
serverino:init-exec, serverino:test-1
0.7.9 2024-Jun-08
0.7.8 2024-May-30
0.7.7 2024-May-24
0.7.6 2024-May-14
0.7.5 2024-May-05
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