Using embedded fs for static

internal/server/server.go

@@ -6,6 +6,7 @@ import (
 	"net/http"
 
 	"git.runcible.io/learning/ratchet/internal/model"
+	"git.runcible.io/learning/ratchet/ui"
 	"github.com/alexedwards/scs/v2"
 	"github.com/go-playground/form/v4"
 )
@@ -31,11 +32,14 @@ func NewRatchetApp(logger *slog.Logger, tc *TemplateCache, db *sql.DB, sm *scs.S
 	rs.templateCache = tc
 	rs.sessionManager = sm
 	// TODO implement middleware that disables directory listings
-	fileServer := http.FileServer(http.Dir("./ui/static/"))
+	// This line was superceded by using the embedded filesystem
+	// fileServer := http.FileServer(http.Dir("./ui/static/"))
 	router := http.NewServeMux()
 
 	// Subtree pattern for static assets
-	router.Handle("GET /static/", http.StripPrefix("/static/", fileServer))
+	// This line was superceded by using the embedded filesystem
+	// router.Handle("GET /static/", http.StripPrefix("/static/", fileServer))
+	router.Handle("GET /static/", http.FileServerFS(ui.Files))
 
 	// Mux Router implements the Handler interface. AKA it has a ServeHTTP receiver.
 	// SEE we can really clean things up by moving this into routes.go and handlers.go

ui/efs.go

@@ -0,0 +1,14 @@
+package ui
+
+import "embed"
+
+// The below is actually a comment directive. Comment directives must be
+// placed immediately above the variable used. The path provided is relative
+// to the .go file it is in. You can only embed on global variables at a package
+// level. Paths cannot contain . or .. or begin with / So you are effectively
+// restricted to embedding files within the same directory as the .go file.
+// Lastly the embedded file system is always rooted in the directory that contains
+// the embed directive. So in this example the root is in our ui dir.
+
+//go:embed "static"
+var Files embed.FS