From ee7dc1dd082d8ce868d009cbb57dc462a5fe5784 Mon Sep 17 00:00:00 2001
From: Eli Ribble <eli@gleipnir.technology>
Date: Tue, 17 Feb 2026 22:27:51 +0000
Subject: [PATCH] Add caching headers for production, fix css for RMO

---
 html/fileserver.go                             | 15 +++++++++++++++
 html/html.go                                   |  7 -------
 html/static/js/address-or-report-suggestion.js |  2 +-
 html/template/rmo/layout/base.html             |  2 +-
 main.go                                        |  1 -
 5 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/html/fileserver.go b/html/fileserver.go
index bd6d86bb..a7ee06ab 100644
--- a/html/fileserver.go
+++ b/html/fileserver.go
@@ -8,6 +8,7 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
+	"time"
 
 	"github.com/Gleipnir-Technology/nidus-sync/config"
 	"github.com/go-chi/chi/v5"
@@ -16,6 +17,8 @@ import (
 
 // fileServer conveniently sets up a http.FileServer handler to serve
 // static files from a http.FileSystem.
+var startedTime time.Time = time.Now()
+
 func fileServer(r chi.Router, path string, root http.FileSystem, embeddedFS embed.FS, embeddedPath string) {
 	if strings.ContainsAny(path, "{}*") {
 		panic("FileServer does not permit any URL parameters.")
@@ -66,6 +69,18 @@ func fileServer(r chi.Router, path string, root http.FileSystem, embeddedFS embe
 		// Create a custom ResponseWriter that allows us to modify headers
 		crw := &customResponseWriter{ResponseWriter: w}
 
+		// Add caching headers
+		if config.IsProductionEnvironment() {
+			ext := filepath.Ext(requestedPath)
+			switch ext {
+			case ".css", ".js", ".jpg", ".jpeg", ".png", ".gif", ".svg", ".woff", ".woff2", ".ttf":
+				// Cache for 1 week (604800 seconds)
+				crw.Header().Set("Cache-Control", "public, max-age=604800, stale-while-revalidate=86400")
+			default:
+				// Other files, 1 hour
+				crw.Header().Set("Cache-Control", "public, max-age=3600")
+			}
+		}
 		// Serve the file
 		http.ServeContent(crw, r, requestedPath, startedTime, fileToServe)
 
diff --git a/html/html.go b/html/html.go
index 0ff59d64..209fc7ae 100644
--- a/html/html.go
+++ b/html/html.go
@@ -2,15 +2,8 @@ package html
 
 import (
 	"net/http"
-	"time"
 )
 
 func RenderOrError(w http.ResponseWriter, template_name string, content interface{}) {
 	templates.renderOrError(w, template_name, content)
 }
-
-var startedTime time.Time
-
-func SetStartedTime() {
-	startedTime = time.Now()
-}
diff --git a/html/static/js/address-or-report-suggestion.js b/html/static/js/address-or-report-suggestion.js
index 85a8b956..ba716a29 100644
--- a/html/static/js/address-or-report-suggestion.js
+++ b/html/static/js/address-or-report-suggestion.js
@@ -199,7 +199,7 @@ class AddressOrReportInput extends HTMLElement {
 		this.shadowRoot.innerHTML = `
 			<style>
 				@import url('/static/css/bootstrap.css');
-				@import url('/static/css/bootstrap-icons.css');
+				@import url('/static/vendor/css/bootstrap-icons.min.css');
 				.detail-label {
 					font-size: 0.8rem;
 					text-transform: uppercase;
diff --git a/html/template/rmo/layout/base.html b/html/template/rmo/layout/base.html
index 48e2d9d5..82da8d2d 100644
--- a/html/template/rmo/layout/base.html
+++ b/html/template/rmo/layout/base.html
@@ -7,7 +7,7 @@
 		<!-- Bootstrap & Custom CSS -->
 		<link href="/static/css/bootstrap.css" rel="stylesheet" />
 		<!-- Bootstrap Icons -->
-		<link rel="stylesheet" href="/static/css/bootstrap-icons.css" />
+		<link rel="stylesheet" href="/static/vendor/css/bootstrap-icons.min.css" />
 		<!-- favicon -->
 		<link rel="icon" href="/static/favicon-rmo.ico" type="image/x-icon" />
 		{{ block "extraheader" . }}{{ end }}
diff --git a/main.go b/main.go
index 5ea76a2a..bdf7f294 100644
--- a/main.go
+++ b/main.go
@@ -143,7 +143,6 @@ func main() {
 		log.Error().Err(err).Msg("Failed to start openAI client")
 		os.Exit(8)
 	}
-	http.SetStartedTime()
 	server := &http.Server{
 		Addr:    config.Bind,
 		Handler: r,