serve frontend + backend as a one binary

bin/server/main.go

@@ -7,13 +7,15 @@ package main
 import (
 	"fmt"
 	"net/http"
+	"strings"
 
 	"gitserver.in/patialtech/mux"
 	"gitserver.in/patialtech/mux/middleware"
-	"gitserver.in/patialtech/rano/cmd/server/handler"
+	"gitserver.in/patialtech/rano/bin/server/handler"
 	"gitserver.in/patialtech/rano/config"
 	"gitserver.in/patialtech/rano/graph"
 	"gitserver.in/patialtech/rano/util/logger"
+	"gitserver.in/patialtech/rano/web"
 )
 
 func main() {
@@ -24,6 +26,7 @@ func main() {
 	// CORS
 	r.Use(middleware.CORS(middleware.CORSOption{
 		AllowedHeaders: []string{"Content-Type"},
+		AllowedOrigins: []string{config.Read().WebURL},
 		MaxAge:         60,
 	}))
 	// Secure Headers
@@ -40,7 +43,37 @@ func main() {
 
 	// catch all
 	r.GET("/", func(w http.ResponseWriter, r *http.Request) {
-		w.Write([]byte("hello there"))
+		var (
+			resourcePath string
+			path         = r.URL.Path
+		)
+
+		if strings.HasPrefix(path, "/_app") {
+			resourcePath = "public/build" + path
+		} else if strings.HasSuffix(path, ".png") ||
+			strings.HasSuffix(path, ".ico") ||
+			strings.HasSuffix(path, ".svg") ||
+			strings.HasSuffix(path, "robot.txt") ||
+			strings.HasSuffix(path, "site.webmanifest") {
+			resourcePath = "public" + path
+		} else {
+			resourcePath = "public/build/fallback.html"
+		}
+
+		if b, err := web.Public.ReadFile(resourcePath); err != nil {
+			_, _ = w.Write([]byte("hello there"))
+		} else {
+			if strings.HasSuffix(path, ".js") {
+				w.Header().Set("Content-Type", "text/javascript")
+			} else if strings.HasSuffix(path, ".css") {
+				w.Header().Set("Content-Type", "text/css")
+			} else {
+				w.Header().Set("Content-Type", http.DetectContentType(b))
+			}
+
+			w.WriteHeader(http.StatusOK)
+			_, _ = w.Write(b)
+		}
 	})
 
 	r.Serve(func(srv *http.Server) error {

config/config.go

@@ -19,16 +19,12 @@ import (
 const (
 	// projDir need to be same as project code root dir name
 	projDir        = "rano"
-	EnvDev   = "development"
-	EnvProd  = "production"
-	EnvStage = "staging"
-
 	AuthUserCtxKey = "AuthUser"
 )
 
 var (
 	conf   *Config
-	AppEnv Env = EnvDev
+	AppEnv = "development" // production | staging
 )
 
 type (
@@ -47,7 +43,7 @@ type (
 
 func init() {
 	var base string
-	if AppEnv == EnvDev {
+	if AppEnv == "development" { // AppEnv will be changed on build time using ldflags -X
 		wd, _ := os.Getwd()
 		idx := strings.Index(wd, projDir)
 		if idx > -1 {
@@ -57,6 +53,8 @@ func init() {
 		base, _ = os.Executable()
 	}
 
+	logger.Info("*** %s", AppEnv)
+
 	envVar, err := dotenv.Read(base, fmt.Sprintf(".env.%s", AppEnv))
 	if err != nil {
 		panic(err)

svelte.config.js

@@ -1,7 +1,5 @@
-import path from 'node:path';
 import adapter from '@sveltejs/adapter-static';
 
-const webDir = path.resolve('.', 'web');
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
@@ -9,16 +7,15 @@ const config = {
 		// adapter-auto only supports some environments, see https://kit.svelte.dev/docs/adapter-auto for a list.
 		// If your environment is not supported, or you settled on a specific environment, switch out the adapter.
 		// See https://kit.svelte.dev/docs/adapters for more information about adapters.
-		adapter: adapter(),
 		files: {
-			appTemplate: path.resolve(webDir, 'app.html'),
-			routes: path.resolve(webDir, 'routes'),
-			lib: path.resolve(webDir, 'lib'),
-			assets: path.resolve(webDir, 'public')
+			appTemplate: "web/app.html" ,
+			routes: "web/routes",
+			lib: "web/lib",
+			assets: "public/lib"
 		},
 		alias: {
-			$image: path.resolve(webDir, 'assets', 'image'),
-			$svg: path.resolve(webDir, 'assets', 'svg')
+			$image: "web/assets/image",
+			$svg: "web/assets/svg"
 		},
 		paths: {
 			assets: process.env.ASSETS_HOST ?? ''
@@ -28,8 +25,8 @@ const config = {
 			pollInterval: 1000 * 60 * 1 // 5 minutes
 		},
 		adapter: adapter({
-			pages: path.resolve(webDir, 'public', 'build'),
-			assets: path.resolve(webDir, 'public', 'build'),
+			pages: "web/public/build",
+			assets: "web/public/build",
 			fallback: 'fallback.html',
 			strict: true
 		})

taskfile.yml

@@ -1,9 +1,12 @@
 version: '3'
 
+dotenv: ['.env.{{.ENV}}']
+
 env:
   ENV: development
 
-dotenv: ['.env.{{.ENV}}']
+vars:
+  MOD_NAME: gitserver.in/patialtech/rano
 
 tasks:
   install:
@@ -14,7 +17,7 @@ tasks:
   start-graph:
     desc: run graph server
     cmds:
-      - cmd: go run ./cmd/server
+      - cmd: go run ./bin/server
 
   start-web:
     desc: run web in dev mode
@@ -44,11 +47,11 @@ tasks:
       - cmd: deno task codegen
 
   ent-new:
-    desc: create new db Emtity
-    cmd: cd ./db && go run -mod=mod entgo.io/ent/cmd/ent new {{.name}}
+    desc: create new db Entity
+    cmd: cd ./db && go run -mod=mod entry.io/ent/cmd/ent new {{.name}}
 
   ent-gen:
-    desc: genertate from ent schema
+    desc: generate from ent schema
     cmds:
       - go generate ./db/ent
 
@@ -61,4 +64,17 @@ tasks:
     desc: apply automatically migration using Ent schema
     cmds:
       - task: ent-gen
-      - go run ./cmd/migrate-up
+      - go run ./bin/migrate-up
+
+  build-web-prod:
+    desc: apply automatically migration using Ent schema
+    cmds:
+      - deno task build
+    env:
+      ASSETS_HOST:
+
+  build-prod:
+    desc: apply automatically migration using Ent schema
+    cmds:
+      - task: build-web-prod
+      - CGO_ENABLED=0 go build -trimpath -ldflags "-s -w" -ldflags "-X '{{.MOD_NAME}}/config.AppEnv=production'" -o ./server ./bin/server

web/public/site.webmanifest

@@ -0,0 +1,11 @@
+{
+  "name": "",
+  "short_name": "",
+  "icons": [
+    { "src": "/android-chrome-192x192.png", "sizes": "192x192", "type": "image/png" },
+    { "src": "/android-chrome-512x512.png", "sizes": "512x512", "type": "image/png" }
+  ],
+  "theme_color": "#ffffff",
+  "background_color": "#ffffff",
+  "display": "standalone"
+}

web/web.go

@@ -0,0 +1,6 @@
+package web
+
+import "embed"
+
+//go:embed public public/build/_app
+var Public embed.FS