diff --git a/.aegir.js b/.aegir.js
index ab0e020c8c..9b5aefa98e 100644
--- a/.aegir.js
+++ b/.aegir.js
@@ -71,6 +71,7 @@ const after = (done) => {
 }
 
 module.exports = {
+  bundlesize: { maxSize: '215kB' },
   hooks: {
     pre: before,
     post: after
diff --git a/.travis.yml b/.travis.yml
index 461d2aefc7..4b71d1a28d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,7 @@ node_js:
 os:
   - linux
   - osx
+  
 script: npx nyc -s npm run test:node -- --bail
 after_success: npx nyc report --reporter=text-lcov > coverage.lcov && npx codecov
 
@@ -18,6 +19,7 @@ jobs:
   include:
     - stage: check
       script:
+        - npx aegir build --bundlesize
         - npx aegir commitlint --travis
         - npx aegir dep-check -- -i wrtc -i electron-webrtc
         - npm run lint
diff --git a/README.md b/README.md
index 2d07558882..afdcc98478 100644
--- a/README.md
+++ b/README.md
@@ -12,8 +12,9 @@
 </p>
 
 <p align="center">
-  <a href="https://ci.ipfs.team/job/libp2p/job/js-libp2p/job/master/"><img src="https://ci.ipfs.team/buildStatus/icon?job=libp2p/js-libp2p/master" /></a>
-  <a href="https://codecov.io/gh/libp2p/js-libp2p"><img src="https://codecov.io/gh/libp2p/js-libp2p/branch/master/graph/badge.svg"></a>
+  <a href="https://travis-ci.com/libp2p/js-libp2p"><img src="https://flat.badgen.net/travis/libp2p/js-libp2p" /></a>
+  <a href="https://codecov.io/gh/libp2p/js-libp2p"><img src="https://img.shields.io/codecov/c/github/ipfs/js-ipfs-multipart/master.svg?style=flat-square"></a>
+  <a href="https://bundlephobia.com/result?p=ipfsd-ctl"><img src="https://flat.badgen.net/bundlephobia/minzip/ipfsd-ctl"></a>
   <br>
   <a href="https://david-dm.org/libp2p/js-libp2p"><img src="https://david-dm.org/libp2p/js-libp2p.svg?style=flat-square" /></a>
   <a href="https://github.com/feross/standard"><img src="https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square"></a>
diff --git a/package.json b/package.json
index d538271d75..e60cbbcf9c 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,6 @@
   },
   "homepage": "https://github.com/libp2p/js-libp2p",
   "browser": {
-    "joi": "joi-browser",
     "./test/utils/bundle-nodejs": "./test/utils/bundle-browser"
   },
   "dependencies": {
@@ -43,23 +42,23 @@
     "debug": "^4.1.0",
     "err-code": "^1.1.2",
     "fsm-event": "^2.1.0",
-    "joi": "^14.0.6",
-    "joi-browser": "^13.4.0",
+    "kind-of": "^6.0.2",
     "libp2p-connection-manager": "~0.0.2",
-    "libp2p-floodsub": "~0.15.1",
-    "libp2p-ping": "~0.8.3",
-    "libp2p-switch": "~0.41.3",
-    "libp2p-websockets": "~0.12.0",
-    "mafmt": "^6.0.2",
-    "multiaddr": "^6.0.2",
+    "libp2p-floodsub": "~0.15.7",
+    "libp2p-ping": "~0.8.5",
+    "libp2p-switch": "~0.41.5",
+    "libp2p-websockets": "~0.12.1",
+    "mafmt": "^6.0.4",
+    "multiaddr": "^6.0.3",
     "once": "^1.4.0",
-    "peer-book": "~0.9.0",
-    "peer-id": "~0.12.0",
-    "peer-info": "~0.15.0"
+    "peer-book": "~0.9.1",
+    "peer-id": "~0.12.2",
+    "peer-info": "~0.15.1",
+    "superstruct": "~0.6.0"
   },
   "devDependencies": {
     "@nodeutils/defaults-deep": "^1.1.0",
-    "aegir": "^18.1.0",
+    "aegir": "^18.2.0",
     "chai": "^4.2.0",
     "chai-checkmark": "^1.0.1",
     "cids": "~0.5.5",
@@ -85,7 +84,7 @@
     "pull-mplex": "~0.1.0",
     "pull-serializer": "~0.3.2",
     "pull-stream": "^3.6.9",
-    "sinon": "^7.1.1",
+    "sinon": "^7.2.4",
     "wrtc": "~0.3.2"
   },
   "contributors": [
diff --git a/src/config.js b/src/config.js
index aa38063b0f..0962784075 100644
--- a/src/config.js
+++ b/src/config.js
@@ -1,60 +1,89 @@
 'use strict'
 
-const Joi = require('joi')
+const { struct, superstruct } = require('superstruct')
+const kind = require('kind-of')
+const { optional, list } = struct
 
-const ModuleSchema = Joi.alternatives().try(Joi.func(), Joi.object())
+const transports = ['tcp', 'utp', 'webrtcstar', 'webrtcdirect', 'websockets', 'websocketstar']
+// Define custom types
+const s = superstruct({
+  types: {
+    tcp: v => kind(v) === 'tcp',
+    utp: v => kind(v) === 'utp',
+    webrtcstar: v => kind(v) === 'webrtcstar',
+    webrtcdirect: v => kind(v) === 'webrtcdirect',
+    websockets: v => kind(v) === 'websockets',
+    websocketstar: v => kind(v) === 'websocketstar',
+    transport: value => {
+      const [error] = list([s.union([ ...transports, 'function' ])]).validate(value)
+      if (error) return error.message
 
-const OptionsSchema = Joi.object({
-  // TODO: create proper validators for the generics
-  connectionManager: Joi.object(),
-  datastore: Joi.object(),
-  peerInfo: Joi.object().required(),
-  peerBook: Joi.object(),
-  modules: Joi.object().keys({
-    connEncryption: Joi.array().items(ModuleSchema).allow(null),
-    connProtector: Joi.object().keys({
-      protect: Joi.func().required()
-    }).unknown(),
-    contentRouting: Joi.array().items(Joi.object()).allow(null),
-    dht: ModuleSchema.allow(null),
-    peerDiscovery: Joi.array().items(ModuleSchema).allow(null),
-    peerRouting: Joi.array().items(Joi.object()).allow(null),
-    streamMuxer: Joi.array().items(ModuleSchema).allow(null),
-    transport: Joi.array().items(ModuleSchema).min(1).required()
-  }).required(),
-  config: Joi.object().keys({
-    peerDiscovery: Joi.object().allow(null),
-    relay: Joi.object().keys({
-      enabled: Joi.boolean().default(true),
-      hop: Joi.object().keys({
-        enabled: Joi.boolean().default(false),
-        active: Joi.boolean().default(false)
-      })
-    }).default(),
-    dht: Joi.object().keys({
-      kBucketSize: Joi.number().default(20),
-      enabled: Joi.boolean().default(true),
-      randomWalk: Joi.object().keys({
-        enabled: Joi.boolean().default(true),
-        queriesPerPeriod: Joi.number().default(1),
-        interval: Joi.number().default(30000),
-        timeout: Joi.number().default(10000)
-      }).default(),
-      validators: Joi.object().allow(null),
-      selectors: Joi.object().allow(null)
-    }).default(),
-    EXPERIMENTAL: Joi.object().keys({
-      pubsub: Joi.boolean().default(false)
-    }).default()
-  }).default()
+      return value.length > 0
+        ? true
+        : 'You need to provide at least one transport.'
+    }
+  }
 })
 
-module.exports.validate = (options) => {
-  options = Joi.attempt(options, OptionsSchema)
+const optionsSchema = s(
+  {
+    connectionManager: 'object?',
+    datastore: 'object?',
+    peerInfo: 'object',
+    peerBook: 'object?',
+    modules: s({
+      connEncryption: optional(list([s('object|function')])),
+      // this is hacky to simulate optional because interface doesnt work correctly with it
+      // change to optional when fixed upstream
+      connProtector: s.union(['undefined', s.interface({ protect: 'function' })]),
+      contentRouting: optional(list(['object'])),
+      dht: optional(s('null|function|object')),
+      peerDiscovery: optional(list([s('object|function')])),
+      peerRouting: optional(list(['object'])),
+      streamMuxer: optional(list([s('object|function')])),
+      transport: 'transport'
+    }),
+    config: s({
+      peerDiscovery: 'object?',
+      relay: s({
+        enabled: 'boolean',
+        hop: optional(s({
+          enabled: 'boolean',
+          active: 'boolean'
+        },
+        { enabled: false, active: false }))
+      }, { enabled: true, hop: {} }),
+      dht: s({
+        kBucketSize: 'number',
+        enabled: 'boolean?',
+        randomWalk: optional(s({
+          enabled: 'boolean?',
+          queriesPerPeriod: 'number?',
+          interval: 'number?',
+          timeout: 'number?'
+        }, { enabled: true, queriesPerPeriod: 1, interval: 30000, timeout: 10000 })),
+        validators: 'object?',
+        selectors: 'object?'
+      }, { enabled: true, kBucketSize: 20, enabledDiscovery: true }),
+      EXPERIMENTAL: s({
+        pubsub: 'boolean'
+      }, { pubsub: false })
+    }, { relay: {}, dht: {}, EXPERIMENTAL: {} })
+  },
+  { config: {}, modules: {} }
+)
+
+module.exports.validate = (opts) => {
+  const [error, options] = optionsSchema.validate(opts)
 
-  // Ensure dht is correct
-  if (options.config.dht.enabled) {
-    Joi.assert(options.modules.dht, ModuleSchema.required())
+  // Improve errors throwed, reduce stack by throwing here and add reason to the message
+  if (error) {
+    throw new Error(`${error.message}${error.reason ? ' - ' + error.reason : ''}`)
+  } else {
+    // Throw when dht is enabled but no dht module provided
+    if (options.config.dht.enabled) {
+      s('function|object')(options.modules.dht)
+    }
   }
 
   return options
diff --git a/test/config.spec.js b/test/config.spec.js
index b8c00f0881..0d429f8edd 100644
--- a/test/config.spec.js
+++ b/test/config.spec.js
@@ -104,7 +104,11 @@ describe('configuration', () => {
           }
         },
         relay: {
-          enabled: true
+          enabled: true,
+          hop: {
+            active: false,
+            enabled: false
+          }
         }
       }
     }
@@ -185,7 +189,11 @@ describe('configuration', () => {
           pubsub: false
         },
         relay: {
-          enabled: true
+          enabled: true,
+          hop: {
+            active: false,
+            enabled: false
+          }
         },
         dht: {
           kBucketSize: 20,