[chore] embed filesystem

Dockerfile

@@ -13,9 +13,7 @@ COPY . .
 RUN mkdir -p /opt/antholume
 
 # Compile
-RUN go build -o /opt/antholume/server; \
-    cp -a ./templates /opt/antholume/templates; \
-    cp -a ./assets /opt/antholume/assets;
+RUN go build -o /opt/antholume/server
 
 # Create Image
 FROM busybox:1.36

Dockerfile-BuildKit

@@ -15,9 +15,7 @@ ARG TARGETARCH
 RUN --mount=target=. \
     --mount=type=cache,target=/root/.cache/go-build \
     --mount=type=cache,target=/go/pkg \
-    GOOS=$TARGETOS GOARCH=$TARGETARCH go build -o /opt/antholume/server; \
-    cp -a ./templates /opt/antholume/templates; \
-    cp -a ./assets /opt/antholume/assets;
+    GOOS=$TARGETOS GOARCH=$TARGETARCH go build -o /opt/antholume/server
 
 # Create Image
 FROM busybox:1.36

Makefile

@@ -1,9 +1,7 @@
 build_local: build_tailwind
 	go mod download
-	rm -r ./build
+	rm -r ./build || true
 	mkdir -p ./build
-	cp -a ./templates ./build/templates
-	cp -a ./assets ./build/assets
 
 	env GOOS=linux GOARCH=amd64 go build -o ./build/server_linux_amd64
 	env GOOS=linux GOARCH=arm64 go build -o ./build/server_linux_arm64
@@ -31,7 +29,6 @@ docker_build_release_latest: build_tailwind
 build_tailwind:
 	tailwind build -o ./assets/style.css --minify
 
-
 clean:
 	rm -rf ./build
 

api/api.go

@@ -2,8 +2,10 @@ package api
 
 import (
 	"crypto/rand"
+	"embed"
+	"fmt"
 	"html/template"
-	"io/ioutil"
+	"io/fs"
 	"net/http"
 	"path/filepath"
 	"strings"
@@ -23,18 +25,21 @@ type API struct {
 	Config     *config.Config
 	DB         *database.DBManager
 	HTMLPolicy *bluemonday.Policy
+	Assets     *embed.FS
 }
 
-func NewApi(db *database.DBManager, c *config.Config) *API {
+func NewApi(db *database.DBManager, c *config.Config, assets embed.FS) *API {
 	api := &API{
 		HTMLPolicy: bluemonday.StrictPolicy(),
 		Router:     gin.Default(),
 		Config:     c,
 		DB:         db,
+		Assets:     &assets,
 	}
 
 	// Assets & Web App Templates
-	api.Router.Static("/assets", "./assets")
+	assetsDir, _ := fs.Sub(assets, "assets")
+	api.Router.StaticFS("/assets", http.FS(assetsDir))
 
 	// Generate Secure Token
 	var newToken []byte
@@ -172,37 +177,40 @@ func (api *API) generateTemplates() *multitemplate.Renderer {
 	}
 
 	// Load Base
-	b, _ := ioutil.ReadFile("./templates/base.html")
+	b, _ := api.Assets.ReadFile("templates/base.html")
 	baseTemplate := template.Must(template.New("base").Funcs(helperFuncs).Parse(string(b)))
 
 	// Load SVGs
-	svgs, _ := filepath.Glob("./templates/svgs/*")
-	for _, path := range svgs {
-		basename := filepath.Base(path)
+	svgs, _ := api.Assets.ReadDir("templates/svgs")
+	for _, item := range svgs {
+		basename := item.Name()
+		path := fmt.Sprintf("templates/svgs/%s", basename)
 		name := strings.TrimSuffix(basename, filepath.Ext(basename))
 
-		b, _ := ioutil.ReadFile(path)
+		b, _ := api.Assets.ReadFile(path)
 		baseTemplate = template.Must(baseTemplate.New("svg/" + name).Parse(string(b)))
 	}
 
 	// Load Components
-	components, _ := filepath.Glob("./templates/components/*")
-	for _, path := range components {
-		basename := filepath.Base(path)
+	components, _ := api.Assets.ReadDir("templates/components")
+	for _, item := range components {
+		basename := item.Name()
+		path := fmt.Sprintf("templates/components/%s", basename)
 		name := strings.TrimSuffix(basename, filepath.Ext(basename))
 
-		b, _ := ioutil.ReadFile(path)
+		b, _ := api.Assets.ReadFile(path)
 		baseTemplate = template.Must(baseTemplate.New("component/" + name).Parse(string(b)))
 	}
 
 	// Load Pages
-	pages, _ := filepath.Glob("./templates/pages/*")
-	for _, path := range pages {
-		basename := filepath.Base(path)
+	pages, _ := api.Assets.ReadDir("templates/pages")
+	for _, item := range pages {
+		basename := item.Name()
+		path := fmt.Sprintf("templates/pages/%s", basename)
 		name := strings.TrimSuffix(basename, filepath.Ext(basename))
 
 		// Clone Base Template
-		b, _ := ioutil.ReadFile(path)
+		b, _ := api.Assets.ReadFile(path)
 		pageTemplate, _ := template.Must(baseTemplate.Clone()).New("page/" + name).Parse(string(b))
 		render.Add("page/"+name, pageTemplate)
 	}

api/app-routes.go

@@ -72,23 +72,23 @@ type requestDocumentAdd struct {
 
 func (api *API) webManifest(c *gin.Context) {
 	c.Header("Content-Type", "application/manifest+json")
-	c.File("./assets/manifest.json")
+	c.FileFromFS("./assets/manifest.json", http.FS(api.Assets))
 }
 
 func (api *API) serviceWorker(c *gin.Context) {
-	c.File("./assets/sw.js")
+	c.FileFromFS("./assets/sw.js", http.FS(api.Assets))
 }
 
 func (api *API) faviconIcon(c *gin.Context) {
-	c.File("./assets/icons/favicon.ico")
+	c.FileFromFS("./assets/icons/favicon.ico", http.FS(api.Assets))
 }
 
 func (api *API) localDocuments(c *gin.Context) {
-	c.File("./assets/local/index.html")
+	c.FileFromFS("./assets/local/index.html", http.FS(api.Assets))
 }
 
 func (api *API) documentReader(c *gin.Context) {
-	c.File("./assets/reader/index.html")
+	c.FileFromFS("./assets/reader/index.html", http.FS(api.Assets))
 }
 
 func (api *API) createAppResourcesRoute(routeName string, args ...map[string]any) func(*gin.Context) {
@@ -284,7 +284,7 @@ func (api *API) getDocumentCover(c *gin.Context) {
 	// Handle Identified Document
 	if document.Coverfile != nil {
 		if *document.Coverfile == "UNKNOWN" {
-			c.File("./assets/images/no-cover.jpg")
+			c.FileFromFS("./assets/images/no-cover.jpg", http.FS(api.Assets))
 			return
 		}
 
@@ -295,7 +295,7 @@ func (api *API) getDocumentCover(c *gin.Context) {
 		_, err = os.Stat(safePath)
 		if err != nil {
 			log.Error("[getDocumentCover] File Should But Doesn't Exist:", err)
-			c.File("./assets/images/no-cover.jpg")
+			c.FileFromFS("./assets/images/no-cover.jpg", http.FS(api.Assets))
 			return
 		}
 
@@ -348,7 +348,7 @@ func (api *API) getDocumentCover(c *gin.Context) {
 
 	// Return Unknown Cover
 	if coverFile == "UNKNOWN" {
-		c.File("./assets/images/no-cover.jpg")
+		c.FileFromFS("./assets/images/no-cover.jpg", http.FS(api.Assets))
 		return
 	}
 

main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"embed"
 	"os"
 	"os/signal"
 	"sync"
@@ -11,6 +12,9 @@ import (
 	"reichard.io/bbank/server"
 )
 
+//go:embed templates/* assets/*
+var assets embed.FS
+
 type UTCFormatter struct {
 	log.Formatter
 }
@@ -51,7 +55,7 @@ func cmdServer(ctx *cli.Context) error {
 	signal.Notify(interrupt, os.Interrupt, syscall.SIGTERM)
 
 	// Start Server
-	server := server.NewServer()
+	server := server.NewServer(assets)
 	server.StartServer(&wg, done)
 
 	// Wait & Close

server/server.go

@@ -2,6 +2,7 @@ package server
 
 import (
 	"context"
+	"embed"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -22,10 +23,10 @@ type Server struct {
 	httpServer *http.Server
 }
 
-func NewServer() *Server {
+func NewServer(assets embed.FS) *Server {
 	c := config.Load()
 	db := database.NewMgr(c)
-	api := api.NewApi(db, c)
+	api := api.NewApi(db, c, assets)
 
 	// Create Paths
 	docDir := filepath.Join(c.DataPath, "documents")