setup project

- simple route with chi
- get env with caarlos0/env
- add Makefile for dev

Author: isoppp

Makefile

@@ -0,0 +1,5 @@
+export PORT := 8081
+
+.PHONY: dev
+dev:
+	@go run ./cmd/api

cmd/api/main.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"sandbox-go-api-sqlboiler-rest-auth/internal/config"
+	"sandbox-go-api-sqlboiler-rest-auth/internal/routes"
+)
+
+func main() {
+	cfg, err := config.NewEnvConfig()
+	if err != nil {
+		log.Fatalln(err)
+		return
+	}
+
+	r := routes.NewRouter()
+
+	log.Printf("server is running on port %v", cfg.Port)
+	err = http.ListenAndServe(fmt.Sprintf(":%s", cfg.Port), r)
+	if err != nil {
+		log.Fatalln("cannot run server:", err)
+		return
+	}
+}

go.mod

@@ -1,3 +1,9 @@
 module sandbox-go-api-sqlboiler-rest-auth
 
 go 1.17
+
+require (
+	github.com/caarlos0/env/v6 v6.7.1 // indirect
+	github.com/go-chi/chi/v5 v5.0.4 // indirect
+	github.com/go-chi/render v1.0.1 // indirect
+)

go.sum

@@ -0,0 +1,6 @@
+github.com/caarlos0/env/v6 v6.7.1 h1:2r2GyonA8aJX6lDEhwFfpxwAX8Z3mvbE1X6vhaSzEyU=
+github.com/caarlos0/env/v6 v6.7.1/go.mod h1:FE0jGiAnQqtv2TenJ4KTa8+/T2Ss8kdS5s1VEjasoN0=
+github.com/go-chi/chi/v5 v5.0.4 h1:5e494iHzsYBiyXQAHHuI4tyJS9M3V84OuX3ufIIGHFo=
+github.com/go-chi/chi/v5 v5.0.4/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
+github.com/go-chi/render v1.0.1 h1:4/5tis2cKaNdnv9zFLfXzcquC9HbeZgCnxGnKrltBS8=
+github.com/go-chi/render v1.0.1/go.mod h1:pq4Rr7HbnsdaeHagklXub+p6Wd16Af5l9koip1OvJns=

internal/config/config.go

@@ -0,0 +1,15 @@
+package config
+
+import "github.com/caarlos0/env/v6"
+
+type EnvConfig struct {
+	Port string `env:"PORT,required"`
+}
+
+func NewEnvConfig() (*EnvConfig, error) {
+	config := EnvConfig{}
+	if err := env.Parse(&config); err != nil {
+		return &config, err
+	}
+	return &config, nil
+}

internal/routes/routes.go

@@ -0,0 +1,40 @@
+package routes
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/go-chi/render"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/chi/v5/middleware"
+)
+
+type Health struct {
+	OK bool `json:"ok"`
+}
+
+func (h *Health) Render(_ http.ResponseWriter, _ *http.Request) error {
+	return nil
+}
+
+func NewRouter() *chi.Mux {
+	r := chi.NewRouter()
+	r.Use(middleware.RequestID)
+	r.Use(middleware.RealIP)
+	r.Use(middleware.Logger)
+	r.Use(middleware.Recoverer)
+	r.Use(middleware.Timeout(60 * time.Second))
+	r.Use(render.SetContentType(render.ContentTypeJSON))
+
+	r.Route("/api/", func(r chi.Router) {
+		r.Get("/health", func(w http.ResponseWriter, r *http.Request) {
+			err := render.Render(w, r, &Health{OK: true})
+			if err != nil {
+				http.Error(w, http.StatusText(500), 500)
+				return
+			}
+		})
+	})
+	return r
+}