- when building for release, embed the static files in binary

shard.yml

@@ -15,7 +15,7 @@ license: MIT
 dependencies:
   kemal:
     github: kemalcr/kemal
-  kemal-basic-auth:
-    github: kemalcr/kemal-basic-auth
   sqlite3:
     github: crystal-lang/crystal-sqlite3
+  baked_file_system:
+    github: schovi/baked_file_system

src/auth_handler.cr

@@ -1,14 +1,6 @@
 require "kemal"
 require "./storage"
-
-def request_path_startswith(env, ary)
-	ary.each do |prefix|
-		if env.request.path.starts_with? prefix
-			return true
-		end
-	end
-	return false
-end
+require "./util"
 
 class AuthHandler < Kemal::Handler
 	exclude ["/login"]

src/server.cr

@@ -3,6 +3,7 @@ require "./config"
 require "./library"
 require "./storage"
 require "./auth_handler"
+require "./static"
 require "./util"
 
 class Server
@@ -276,6 +277,11 @@ class Server
 		end
 
 		add_handler AuthHandler.new @storage
+		{% if flag?(:release) %}
+			# when building for relase, embed the static files in binary
+			serve_static false
+			add_handler StaticHandler.new
+		{% end %}
 	end
 
 	def start

src/static.cr

@@ -0,0 +1,29 @@
+require "baked_file_system"
+require "kemal"
+require "gzip"
+require "./util"
+
+class FS
+	extend BakedFileSystem
+	bake_folder "../public"
+end
+
+class StaticHandler < Kemal::Handler
+	property dirs : Array(String)
+
+	def initialize
+		@dirs = ["/css", "/js"]
+	end
+
+	def call(env)
+		if request_path_startswith env, @dirs
+			file = FS.get? env.request.path
+			return call_next env if file.nil?
+
+			slice = Bytes.new file.size
+			file.read slice
+			return send_file env, slice, file.mime_type
+		end
+		call_next env
+	end
+end

src/util.cr

@@ -23,3 +23,12 @@ end
 def hash_to_query(hash)
 	hash.map { |k, v| "#{k}=#{v}" }.join("&")
 end
+
+def request_path_startswith(env, ary)
+	ary.each do |prefix|
+		if env.request.path.starts_with? prefix
+			return true
+		end
+	end
+	return false
+end