Embed static assets in binary

This embeds assets from the static/ dir in the binary and serves them.

Ref T536

.gitignore

@@ -5,3 +5,5 @@
 build
 config.ini
 *.db
+
+bindata.go

Makefile

@@ -12,7 +12,7 @@ IMAGE_NAME=writeas/writefreely
 
 all : build
 
-build: deps
+build: assets deps
 	cd cmd/writefreely; $(GOBUILD) -v
 
 build-linux: deps
@@ -50,11 +50,10 @@ install : build
 	cmd/writefreely/$(BINARY_NAME) --gen-keys
 	cd less/; $(MAKE) install $(MFLAGS)
 
-release : clean ui
+release : clean ui assets
 	mkdir build
 	cp -r templates build
 	cp -r pages build
-	cp -r static build
 	mkdir build/keys
 	cp schema.sql build
 	cp sqlite.sql build
@@ -78,6 +77,17 @@ release-docker :
 ui : force_look
 	cd less/; $(MAKE) $(MFLAGS)
 
+assets : generate
+	go-bindata -pkg writefreely -ignore=\\.gitignore static/...
+
+dev-assets : generate
+	go-bindata -pkg writefreely -ignore=\\.gitignore -debug static/...
+
+generate :
+	@hash go-bindata > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
+		$(GOGET) -u github.com/jteeuwen/go-bindata/...; \
+	fi
+
 clean :
 	-rm -rf build
 	cd less/; $(MAKE) clean $(MFLAGS)

app.go

@@ -27,6 +27,7 @@ import (
 	_ "github.com/go-sql-driver/mysql"
 	_ "github.com/mattn/go-sqlite3"
 
+	"github.com/elazarl/go-bindata-assetfs"
 	"github.com/gorilla/mux"
 	"github.com/gorilla/schema"
 	"github.com/gorilla/sessions"
@@ -41,7 +42,7 @@ import (
 )
 
 const (
-	staticDir       = "static/"
+	staticDir       = "static"
 	assumedTitleLen = 80
 	postsPerPage    = 10
 
@@ -411,7 +412,7 @@ func Serve() {
 	}
 
 	// Handle static files
-	fs := http.FileServer(http.Dir(staticDir))
+	fs := http.FileServer(&assetfs.AssetFS{Asset: Asset, AssetDir: AssetDir, AssetInfo: AssetInfo, Prefix: staticDir})
 	shttp.Handle("/", fs)
 	r.PathPrefix("/").Handler(fs)