chore: add dev server and auto reloading

Makefile

@@ -9,3 +9,15 @@ clean:
 
 archive:
 	tar -cvf ./dist.tar ./dist
+
+dev: install build-render
+	go run devserver/main.go &
+	reflex --config=devserver.reflex --decoration=fancy
+
+build-render: build
+	./renderblog -f=1
+
+install:
+ifeq (, $(shell which reflex))
+	go install github.com/cespare/reflex@latest
+endif

devserver.reflex

@@ -0,0 +1,11 @@
+# Re-render blog
+-R '^dist/' -r '^_site/.*' -- \
+	./renderblog
+
+# Rebuild binary
+-R '^dist/' -r '\.go$' -- \
+	make build-render
+
+# Rerun tailwind when templates or tailwind config change
+-R '^dist/' -r '\.html\.tmpl$|tailwind\.config\.js$' -- \
+	./renderblog -f=1

devserver/main.go

@@ -1,5 +1,11 @@
 package main
 
-func main() {
+import "net/http"
 
+func main() {
+	dist := http.FileServer(http.Dir("dist"))
+	err := http.ListenAndServe("localhost:8080", dist)
+	if err != nil {
+		panic(err)
+	}
 }