fix: runtime redis configuration

nuxt.config.ts

@@ -44,27 +44,6 @@ export default defineNuxtConfig({
   },
 
   image: {},
-  nitro: {
-    storage: {
-      redis: (() => (process.env.NUXT_ENABLE_REDIS
-        ? {
-            driver: 'redis',
-            port: process.env.NUXT_REDIS_PORT,
-            host: process.env.NUXT_REDIS_HOST,
-            username: process.env.NUXT_REDIS_USERNAME,
-            password: process.env.NUXT_REDIS_PASSWORD,
-          }
-        : {
-            driver: 'memory',
-          }
-      ))(),
-    },
-    devStorage: {
-      redis: {
-        driver: 'memory',
-      },
-    },
-  },
 
   runtimeConfig: {
     public: {
@@ -78,6 +57,14 @@ export default defineNuxtConfig({
     sessionSecret: '',
     sessionName: 'h3',
 
+    redis: {
+      enabled: false,
+      host: '',
+      port: 0,
+      username: '',
+      password: '',
+    },
+
     resend: {
       apiKey: '',
       fromAddress: '',

plugins/env.server.ts

@@ -23,6 +23,16 @@ const resendSchema = z.object({
   }),
 })
 
+const redisSchema = z.object({
+  redis: z.object({
+    enabled: z.boolean(),
+    host: z.string(),
+    port: z.number().positive(),
+    username: z.string(),
+    password: z.string(),
+  }),
+})
+
 /**
  * Specify your server-side environment variables schema here. This way you can ensure the app isn't
  * built with invalid env vars.
@@ -37,6 +47,7 @@ const server = z
   })
   // Add on schemas as needed that requires conditional validation.
   .merge(resendSchema)
+  .merge(redisSchema)
   .merge(client)
   .refine(val => !(val.resend.apiKey && !val.resend.fromAddress), {
     message: 'resend.fromAddress is required when resend.apiKey is set',

server/plugins/cache.ts

@@ -0,0 +1,18 @@
+import redisDriver from 'unstorage/drivers/redis'
+import memoryDriver from 'unstorage/drivers/memory'
+
+export default defineNitroPlugin(() => {
+  const storage = useStorage()
+
+  const driver = useRuntimeConfig().redis.enabled
+    ? redisDriver({
+      base: 'redis',
+      host: useRuntimeConfig().redis.host,
+      port: useRuntimeConfig().redis.port,
+      username: useRuntimeConfig().redis.username,
+      password: useRuntimeConfig().redis.password,
+    })
+    : memoryDriver()
+
+  storage.mount('redis', driver)
+})