go template can work only with sturcts with visible fields

Author: sitole

packages/orchestrator/internal/proxy/proxy.go

@@ -26,9 +26,9 @@ var browserRegex = regexp.MustCompile(`(?i)mozilla|chrome|safari|firefox|edge|op
 var browserTemplate = template.Must(template.New("template").Parse(proxyBrowser502PageHtml))
 
 type htmlTemplateData struct {
-	sandboxId   string
-	sandboxHost string
-	sandboxPort string
+	SandboxId   string
+	SandboxHost string
+	SandboxPort string
 }
 
 type jsonTemplateData struct {
@@ -169,7 +169,7 @@ func (p *SandboxProxy) proxyHandler(transport *http.Transport) func(w http.Respo
 
 func (p *SandboxProxy) buildHtmlClosedPortError(sandboxId string, host string, port uint64) ([]byte, error) {
 	htmlResponse := new(bytes.Buffer)
-	htmlVars := htmlTemplateData{sandboxId: sandboxId, sandboxHost: host, sandboxPort: strconv.FormatUint(port, 10)}
+	htmlVars := htmlTemplateData{SandboxId: sandboxId, SandboxHost: host, SandboxPort: strconv.FormatUint(port, 10)}
 
 	err := browserTemplate.Execute(htmlResponse, htmlVars)
 	if err != nil {

packages/orchestrator/internal/proxy/proxy_browser_502.html

@@ -10,11 +10,11 @@
     <img src="https://hebbkx1anhila5yf.public.blob.vercel-storage.com/Symbol%20Gradient-Kr5pnWlK3ZhzBcRGf6Am4cNbJvY1Ge.svg" alt="Logo" class="logo">
     <div class="error-header">
         <h1 class="error-title">Closed Port Error</h1>
-        <p class="error-message">The sandbox <span class="highlight" id="sandbox-id">{{.sandboxId}}</span> is running but there&#39s no service running on port <span class="highlight" id="port-number">{{.sandboxPort}}</span>.</p>
+        <p class="error-message">The sandbox <span class="highlight" id="sandbox-id">{{.SandboxId}}</span> is running but there&#39s no service running on port <span class="highlight" id="port-number">{{.SandboxPort}}</span>.</p>
     </div>
     <div class="error-details">
-        <span class="sandbox-url">{{.sandboxHost}}</span>
-        <div class="error-code">Connection refused on port <span class="highlight" id="port-number-code">{{.sandboxPort}}</span></div>
+        <span class="sandbox-url">{{.SandboxHost}}</span>
+        <div class="error-code">Connection refused on port <span class="highlight" id="port-number-code">{{.SandboxPort}}</span></div>
     </div>
     <p class="help-text">Please ensure that your service is properly configured and running on the specified port.</p>
     <a class="debug-link" href="https://e2b.dev/docs/sdk-reference/cli/v1.0.9/sandbox#e2b-sandbox-logs">Check the sandbox logs for more information →</a>