build

lib/services/create-services.server.ts

@@ -0,0 +1,38 @@
+import 'server-only';
+
+import { AppServices } from './app-services';
+import { NoopAnalyticsService } from './analytics/noop-analytics-service';
+import { UmamiAnalyticsService } from './analytics/umami-analytics-service';
+import { MemoryCacheService } from './cache/memory-cache-service';
+import { RedisCacheService } from './cache/redis-cache-service';
+import { GlitchtipErrorReportingService } from './errors/glitchtip-error-reporting-service';
+import { NoopErrorReportingService } from './errors/noop-error-reporting-service';
+
+let singleton: AppServices | undefined;
+
+export function getServerAppServices(): AppServices {
+  if (singleton) return singleton;
+
+  const umamiEnabled = Boolean(process.env.NEXT_PUBLIC_UMAMI_WEBSITE_ID);
+  const sentryEnabled = Boolean(process.env.SENTRY_DSN);
+
+  const analytics = umamiEnabled
+    ? new UmamiAnalyticsService({ enabled: true })
+    : new NoopAnalyticsService();
+
+  const errors = sentryEnabled
+    ? new GlitchtipErrorReportingService({ enabled: true })
+    : new NoopErrorReportingService();
+
+  const redisUrl = process.env.REDIS_URL;
+  const cache = redisUrl
+    ? new RedisCacheService({
+        url: redisUrl,
+        keyPrefix: process.env.REDIS_KEY_PREFIX ?? 'klz:',
+      })
+    : new MemoryCacheService();
+
+  singleton = new AppServices(analytics, errors, cache);
+  return singleton;
+}
+

lib/services/create-services.ts

@@ -2,7 +2,6 @@ import { AppServices } from './app-services';
 import { NoopAnalyticsService } from './analytics/noop-analytics-service';
 import { UmamiAnalyticsService } from './analytics/umami-analytics-service';
 import { MemoryCacheService } from './cache/memory-cache-service';
-import { RedisCacheService } from './cache/redis-cache-service';
 import { GlitchtipErrorReportingService } from './errors/glitchtip-error-reporting-service';
 import { NoopErrorReportingService } from './errors/noop-error-reporting-service';
 
@@ -31,13 +30,10 @@ export function getAppServices(): AppServices {
         ? new GlitchtipErrorReportingService({ enabled: true })
         : new NoopErrorReportingService();
 
-  const redisUrl = process.env.REDIS_URL;
+  // IMPORTANT: This module is imported by client components.
-  const cache = redisUrl
+  // Do not import Node-only modules (like the `redis` client) here.
-    ? new RedisCacheService({
+  // Use [`getServerAppServices()`](lib/services/create-services.server.ts:1) on the server.
-        url: redisUrl,
+  const cache = new MemoryCacheService();
-        keyPrefix: process.env.REDIS_KEY_PREFIX ?? 'klz:',
-      })
-    : new MemoryCacheService();
 
   singleton = new AppServices(analytics, errors, cache);
   return singleton;