Feature: Allow version checking to be disabled (#524)

cmd/root.go

@@ -93,6 +93,7 @@ func init() {
 
 	rootCmd.Flags().StringVarP(&config.Database, "database", "d", config.Database, "Database to store persistent data")
 	rootCmd.Flags().BoolVar(&config.DisableWAL, "disable-wal", config.DisableWAL, "Disable WAL for local database (allows NFS mounted DBs)")
+	rootCmd.Flags().BoolVar(&config.DisableVersionCheck, "disable-version-check", config.DisableVersionCheck, "Disable version update checking")
 	rootCmd.Flags().IntVar(&config.Compression, "compression", config.Compression, "Compression level to store raw messages (0-3)")
 	rootCmd.Flags().StringVar(&config.Label, "label", config.Label, "Optional label identify this Mailpit instance")
 	rootCmd.Flags().StringVar(&config.TenantID, "tenant-id", config.TenantID, "Database tenant ID to isolate data")
@@ -204,6 +205,8 @@ func initConfigFromEnv() {
 
 	config.DisableWAL = getEnabledFromEnv("MP_DISABLE_WAL")
 
+	config.DisableVersionCheck = getEnabledFromEnv("MP_DISABLE_VERSION_CHECK")
+
 	if len(os.Getenv("MP_COMPRESSION")) > 0 {
 		config.Compression, _ = strconv.Atoi(os.Getenv("MP_COMPRESSION"))
 	}

config/config.go

@@ -213,6 +213,9 @@ var (
 	// DisableHTMLCheck DEPRECATED 2024/04/13 - kept here to display console warning only
 	DisableHTMLCheck = false
 
+	// DisableVersionCheck disables version checking
+	DisableVersionCheck bool
+
 	// DemoMode disables SMTP relay, link checking & HTTP send functionality
 	DemoMode = false
 )

internal/stats/stats.go

@@ -97,6 +97,9 @@ func Load() AppInformation {
 	info.RuntimeStats.SMTPRejected = smtpRejected
 	info.RuntimeStats.SMTPIgnored = smtpIgnored
 
+	if config.DisableVersionCheck {
+		info.LatestVersion = "disabled"
+	} else {
 		mu.RLock()
 		cacheValid := time.Now().Before(vCache.expiry)
 		cacheValue := vCache.value
@@ -124,6 +127,7 @@ func Load() AppInformation {
 			}
 			mu.Unlock()
 		}
+	}
 
 	info.Database = config.Database
 	info.DatabaseSize = storage.DbSize()

server/ui-src/components/AboutMailpit.vue

@@ -91,6 +91,7 @@ export default {
 					<div class="modal-body">
 						<div class="row g-3">
 							<div class="col-xl-6">
+								<div v-if="mailbox.appInfo.LatestVersion != 'disabled'">
 									<div class="row g-3" v-if="mailbox.appInfo.LatestVersion == ''">
 										<div class="col">
 											<div class="alert alert-warning mb-3">
@@ -107,6 +108,7 @@ export default {
 											</a>
 										</div>
 									</div>
+								</div>
 								<div class="row g-3">
 									<div class="col-12">
 										<RouterLink to="/api/v1/" class="btn btn-primary w-100" target="_blank">