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Spine

Spine is a backend building block written in Go.

Packages

  1. Background
  2. Cache
  3. Config
  4. Context
  5. Crypto
  6. Disco
  7. Log
  8. Net
  9. Schedule
  10. Stats
  11. Testing
  12. Tracing

Demo

Start a simple HTTP server

$ git clone https://github.com/deixis/spine.git
$ cd spine/example
$ CONFIG_URI=file://${PWD}/config.toml go run http_server.go

Send a request

$ curl -v http://127.0.0.1:3000/ping

Example

Simple HTTP server

This code creates a SPINE instance and attach and HTTP handler to it with one route /ping.

package main

import (
	"context"
	"fmt"
	"os"

	"github.com/deixis/spine"
	"github.com/deixis/spine/log"
	"github.com/deixis/spine/net/http"
)

var (
	version = "dirty"
	date    = "now"
)

type Config struct {
	Foo string `toml:"foo"`
}

func main() {
	// Create spine
	appConfig := &Config{}
	app, err := spine.New("demo", appConfig)
	if err != nil {
		return errors.Wrap(err, "error initialising spine")
	}
	app.Config().Version = version

	// Register HTTP handler
	httpServer := http.NewServer()
	httpServer.HandleFunc("/ping", http.GET, Ping)
	app.RegisterService(&spine.ServiceRegistration{
		Name:   "http.demo",
		Host:   os.Getenv("IP"),
		Port:   8080,
		Server: httpServer,
		Tags:   []string{"http"},
	})

	// Start serving requests
	err = app.Serve()
	if err != nil {
		fmt.Println("Problem serving requests", err)
		os.Exit(1)
	}
}

// Ping handler example
func Ping(ctx context.Context, w http.ResponseWriter, r *http.Request) {
	log.Trace(ctx, "action.ping", "Simple request", log.String("ua", r.HTTP.UserAgent()))
	w.Head(http.StatusOK)
}

Config

Example of a configuration file

node = "$HOSTNAME"
version = "1.1"

[request]
  timeout_ms = 1000
  allow_context = false

[disco.consul]
  address = "localhost:7500"
  dc = "local"

[log.printer.stdout]

[cache.local]

[app.demo]
  foo = "bar"

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Backend building block

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