diff --git a/Dockerfile b/Dockerfile
index d7e2725..142184e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,5 +19,7 @@ COPY --from=builder /app/dist ./dist
 
 ENV ASSETS=/data
 ENV ADDRESS=0.0.0.0
+
 EXPOSE 80
-CMD [ "node", "dist/src" ]
+
+CMD [ "node", "." ]
diff --git a/package.json b/package.json
index 11930ae..6999c02 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
   "description": "",
   "author": "Niccolo Borgioli",
   "license": "MIT",
+  "main": "dist/src",
   "scripts": {
     "build": "tsc",
     "dev": "tsnd src"
diff --git a/src/controllers/image.ts b/src/controllers/image.ts
index 1d9f40f..662a019 100644
--- a/src/controllers/image.ts
+++ b/src/controllers/image.ts
@@ -17,7 +17,7 @@ import ms from 'ms'
 import { storage } from '../storage'
 import { transform } from '../transform'
 import { sha3, sortObjectByKeys, testForPrefixOrRegexp, validateSyncOrFail } from '../utils/utils'
-import { Config, NullableStringOrRegexpArray, URLClean } from '../config'
+import { Config, URLClean } from '../config'
 import { supportsAvif, supportsWebP } from '../utils/caniuse'
 import { ForbiddenError } from '../utils/errors'
 
diff --git a/src/index.ts b/src/index.ts
index 60b8d52..5d7c991 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -8,15 +8,6 @@ import { init as initHooks } from './fastify/hooks'
 
 export const App = fastify({ logger: { prettyPrint: true } })
 
-// Internal
-initConfig(App)
-initStorage()
-
-// Fastify
-initMiddleware(App)
-initHooks(App)
-initRoutes(App)
-
 process.on('SIGINT', async function () {
   App.log.info('Stopping server')
   // Close with 2s timeout
@@ -24,12 +15,22 @@ process.on('SIGINT', async function () {
   process.exit()
 })
 
-async function start() {
+async function main() {
   try {
+    // Internal
+    initConfig(App)
+    initStorage()
+
+    // Fastify
+    initMiddleware(App)
+    initHooks(App)
+    initRoutes(App)
+
+    // Start
     await App.listen(Config.port, Config.address)
   } catch (err) {
     App.log.error(err)
     process.exit(1)
   }
 }
-start()
+main()
diff --git a/src/storage/index.ts b/src/storage/index.ts
index 2aa5264..ff01d64 100644
--- a/src/storage/index.ts
+++ b/src/storage/index.ts
@@ -1,20 +1,22 @@
 import { Config, StorageType } from '../config'
 import { Local } from './local'
 
-export interface Storage {
-  read(path: string): Promise<Buffer>
-  write(path: string, data: Buffer): Promise<void>
-  exists(path: string): Promise<boolean>
-  delete(path: string): Promise<void>
+export abstract class Storage {
+  abstract read(path: string): Promise<Buffer>
+  abstract write(path: string, data: Buffer): Promise<void>
+  abstract exists(path: string): Promise<boolean>
+  abstract delete(path: string): Promise<void>
 
-  readStream(path: string): Promise<NodeJS.ReadableStream>
-  writeStream(path: string): Promise<NodeJS.WritableStream>
+  abstract readStream(path: string): Promise<NodeJS.ReadableStream>
+  abstract writeStream(path: string): Promise<NodeJS.WritableStream>
   // list(path: string): Promise<string[]>
+
+  abstract init(): Promise<void>
 }
 
 export let storage: Storage
 
-export function init() {
+export async function init() {
   if (!storage) {
     switch (Config.storage) {
       case StorageType.Local:
@@ -23,5 +25,6 @@ export function init() {
       default:
         throw new Error(`Unknown storage type: ${Config.storage}`)
     }
+    await storage.init()
   }
 }
diff --git a/src/storage/local.ts b/src/storage/local.ts
index a6a8bb2..1658a6b 100644
--- a/src/storage/local.ts
+++ b/src/storage/local.ts
@@ -1,5 +1,6 @@
 import { resolve, join } from 'path'
 import fs from 'fs'
+import { promisify } from 'util'
 
 import { Storage } from './'
 
@@ -8,6 +9,10 @@ export class Local implements Storage {
     this.root = resolve(root)
   }
 
+  async init() {
+    await promisify(fs.mkdir)(this.root, { recursive: true })
+  }
+
   read(path: string): Promise<Buffer> {
     const file = join(this.root, path)
     return new Promise((resolve, reject) => {