diff --git a/packages/core/strapi/lib/core/app-configuration/index.js b/packages/core/strapi/lib/core/app-configuration/index.js
index d7d642c29c..63a8f683f9 100644
--- a/packages/core/strapi/lib/core/app-configuration/index.js
+++ b/packages/core/strapi/lib/core/app-configuration/index.js
@@ -9,11 +9,11 @@ dotenv.config({ path: process.env.ENV_PATH });
 
 process.env.NODE_ENV = process.env.NODE_ENV || 'development';
 
+const createConfigProvider = require('../../utils/config-provider');
 const getPrefixedDeps = require('../../utils/get-prefixed-dependencies');
 const loadPolicies = require('../load-policies');
 const loadFunctions = require('../load-functions');
 const loadConfigDir = require('./config-loader');
-const createConfigProvider = require('./config-provider');
 
 const { version: strapiVersion } = require(path.join(__dirname, '../../../package.json'));
 
diff --git a/packages/core/strapi/lib/core/domain/config.js b/packages/core/strapi/lib/core/domain/config.js
new file mode 100644
index 0000000000..72149e46bb
--- /dev/null
+++ b/packages/core/strapi/lib/core/domain/config.js
@@ -0,0 +1,26 @@
+'use strict'
+
+const { defaultsDeep, getOr, set, has } = require('lodash/fp');
+
+const createConfig = (config = {}, defaultConfig = {}) => {
+  const currentConfig = defaultsDeep(defaultConfig, config);
+
+  return Object.assign(currentConfig, {
+    get(path, defaultValue) {
+      return getOr(defaultValue, path, currentConfig);
+    },
+
+    set(path, val) {
+      set(path, val, currentConfig);
+      return this;
+    },
+
+    has(path) {
+      return has(path, currentConfig);
+    },
+  });
+};
+
+module.exports = {
+  createConfig,
+};
diff --git a/packages/core/strapi/lib/core/domain/content-type.js b/packages/core/strapi/lib/core/domain/content-type.js
new file mode 100644
index 0000000000..a84be16b92
--- /dev/null
+++ b/packages/core/strapi/lib/core/domain/content-type.js
@@ -0,0 +1,49 @@
+'use strict'
+
+const { cloneDeep, camelCase } = require('lodash/fp');
+
+const createContentType = (model, { apiName, pluginName } = {}) => {
+  // todo : validate schema with yup
+  const createdContentType = cloneDeep(model);
+  const singularModelName = camelCase(model.singularName);
+  const pluralModelName = camelCase(model.pluralName);
+
+  if (apiName) {
+    Object.assign(createdContentType, {
+      uid: `application::${apiName}.${singularModelName}`,
+      apiName,
+      collectionName: model.collectionName || singularModelName,
+    });
+  } else if (pluginName) {
+    Object.assign(createdContentType, {
+      uid: `plugins::${pluginName}.${singularModelName}`,
+      plugin: pluginName,
+      collectionName:
+        createdContentType.collectionName || `${pluginName}_${singularModelName}`.toLowerCase(),
+    });
+  } else {
+    Object.assign(createdContentType, {
+      uid: `strapi::${singularModelName}`,
+      plugin: 'admin',
+    });
+  }
+
+  Object.assign(createdContentType, {
+    kind: createdContentType.kind || 'collectionType',
+    modelType: 'contentType',
+    modelName: singularModelName,
+    singularName: singularModelName,
+    pluralName: pluralModelName,
+  });
+  Object.defineProperty(createdContentType, 'privateAttributes', {
+    get() {
+      return strapi.getModel(createdContentType.uid).privateAttributes;
+    },
+  });
+
+  return createdContentType;
+};
+
+module.exports = {
+  createContentType,
+}
diff --git a/packages/core/strapi/lib/core/index.js b/packages/core/strapi/lib/core/index.js
index 2f89b565ea..da6e6e22f0 100644
--- a/packages/core/strapi/lib/core/index.js
+++ b/packages/core/strapi/lib/core/index.js
@@ -1,21 +1,21 @@
-'use strict';
-
-const loadApis = require('./load-apis');
-const loadAdmin = require('./load-admin');
-// const loadPlugins = require('./load-plugins');
-const loadMiddlewares = require('./load-middlewares');
-const loadExtensions = require('./load-extensions');
-const loadHooks = require('./load-hooks');
-const bootstrap = require('./bootstrap');
-const loadComponents = require('./load-components');
-
-module.exports = {
-  loadApis,
-  loadAdmin,
-  // loadPlugins,
-  loadMiddlewares,
-  loadHooks,
-  loadExtensions,
-  loadComponents,
-  bootstrap,
-};
+// 'use strict';
+//
+// const loadApis = require('./load-apis');
+// const loadAdmin = require('./load-admin');
+// // const loadPlugins = require('./load-plugins');
+// const loadMiddlewares = require('./load-middlewares');
+// const loadExtensions = require('./load-extensions');
+// const loadHooks = require('./load-hooks');
+// const bootstrap = require('./bootstrap');
+// const loadComponents = require('./load-components');
+//
+// module.exports = {
+//   loadApis,
+//   loadAdmin,
+//   // loadPlugins,
+//   loadMiddlewares,
+//   loadHooks,
+//   loadExtensions,
+//   loadComponents,
+//   bootstrap,
+// };
diff --git a/packages/core/strapi/lib/core/bootstrap.js b/packages/core/strapi/lib/core/old-to-delete/bootstrap.js
similarity index 100%
rename from packages/core/strapi/lib/core/bootstrap.js
rename to packages/core/strapi/lib/core/old-to-delete/bootstrap.js
diff --git a/packages/core/strapi/lib/core/load-apis.js b/packages/core/strapi/lib/core/old-to-delete/load-apis.js
similarity index 100%
rename from packages/core/strapi/lib/core/load-apis.js
rename to packages/core/strapi/lib/core/old-to-delete/load-apis.js
diff --git a/packages/core/strapi/lib/core/load-components.js b/packages/core/strapi/lib/core/old-to-delete/load-components.js
similarity index 100%
rename from packages/core/strapi/lib/core/load-components.js
rename to packages/core/strapi/lib/core/old-to-delete/load-components.js
diff --git a/packages/core/strapi/lib/core/load-extensions.js b/packages/core/strapi/lib/core/old-to-delete/load-extensions.js
similarity index 100%
rename from packages/core/strapi/lib/core/load-extensions.js
rename to packages/core/strapi/lib/core/old-to-delete/load-extensions.js
diff --git a/packages/core/strapi/lib/core/load-functions.js b/packages/core/strapi/lib/core/old-to-delete/load-functions.js
similarity index 100%
rename from packages/core/strapi/lib/core/load-functions.js
rename to packages/core/strapi/lib/core/old-to-delete/load-functions.js
diff --git a/packages/core/strapi/lib/core/load-hooks.js b/packages/core/strapi/lib/core/old-to-delete/load-hooks.js
similarity index 100%
rename from packages/core/strapi/lib/core/load-hooks.js
rename to packages/core/strapi/lib/core/old-to-delete/load-hooks.js
diff --git a/packages/core/strapi/lib/core/load-middlewares.js b/packages/core/strapi/lib/core/old-to-delete/load-middlewares.js
similarity index 100%
rename from packages/core/strapi/lib/core/load-middlewares.js
rename to packages/core/strapi/lib/core/old-to-delete/load-middlewares.js
diff --git a/packages/core/strapi/lib/core/load-modules.js b/packages/core/strapi/lib/core/old-to-delete/load-modules.js
similarity index 100%
rename from packages/core/strapi/lib/core/load-modules.js
rename to packages/core/strapi/lib/core/old-to-delete/load-modules.js
diff --git a/packages/core/strapi/lib/core/load-policies.js b/packages/core/strapi/lib/core/old-to-delete/load-policies.js
similarity index 100%
rename from packages/core/strapi/lib/core/load-policies.js
rename to packages/core/strapi/lib/core/old-to-delete/load-policies.js
diff --git a/packages/core/strapi/lib/core/walk.js b/packages/core/strapi/lib/core/old-to-delete/walk.js
similarity index 100%
rename from packages/core/strapi/lib/core/walk.js
rename to packages/core/strapi/lib/core/old-to-delete/walk.js
diff --git a/packages/core/strapi/lib/core/plugins/config-provider.js b/packages/core/strapi/lib/core/plugins/config-provider.js
new file mode 100644
index 0000000000..d7824882b6
--- /dev/null
+++ b/packages/core/strapi/lib/core/plugins/config-provider.js
@@ -0,0 +1,15 @@
+'use strict'
+
+const { env } = require('@strapi/utils');
+const { isFunction } = require('lodash/fp');
+const createConfig = require('../domain/config');
+
+module.exports = async (pluginName, pluginDefaultConfig) => {
+  const defaultConfig = isFunction(pluginDefaultConfig)
+    ? await pluginDefaultConfig({ env })
+    : pluginDefaultConfig;
+
+  const userPluginConfig = strapi.config.get(`plugins.${pluginName}`);
+
+  return createConfig(userPluginConfig, defaultConfig);
+};
diff --git a/packages/core/strapi/lib/core/plugins/content-type-provider.js b/packages/core/strapi/lib/core/plugins/content-type-provider.js
new file mode 100644
index 0000000000..fa6d86ca3c
--- /dev/null
+++ b/packages/core/strapi/lib/core/plugins/content-type-provider.js
@@ -0,0 +1,23 @@
+'use strict'
+
+const { createContentType } = require('@strapi/utils').contentTypes;
+
+module.exports = (pluginName, contentTypeDefinitions) => {
+  const contentTypes = contentTypeDefinitions.map(ct =>
+    createContentType(ct, { pluginName })
+  );
+
+  const contentTypesMap = contentTypes.reduce((map, ct) => {
+    map[ct.info.singularName] = ct;
+    map[ct.info.pluralName] = ct;
+  }, {});
+
+  return {
+    get(ctName) {
+      return contentTypesMap[ctName];
+    },
+    getAll() {
+      return contentTypes;
+    }
+  }
+};
diff --git a/packages/core/strapi/lib/core/plugins/create-plugin.js b/packages/core/strapi/lib/core/plugins/create-plugin.js
index ee004f1051..82f0017a13 100644
--- a/packages/core/strapi/lib/core/plugins/create-plugin.js
+++ b/packages/core/strapi/lib/core/plugins/create-plugin.js
@@ -1,39 +1,29 @@
 'use strict';
 
 const { join } = require('path');
-const { isFunction, defaultsDeep } = require('lodash/fp');
-const { env } = require('@strapi/utils');
-const { createContentType } = require('@strapi/utils').contentTypes;
 const { validateStrapiServer } = require('./validation');
+const createConfigProvider = require('./config-provider');
+const createServiceProvider = require('./service-provider');
+const createContentTypeProvider = require('./content-type-provider');
 
 const createPlugin = async (strapi, name, path) => {
   const loadPluginServer = require(join(path, 'strapi-server.js'));
-  const userPluginConfig = strapi.config.get(`plugins.${name}`);
   const pluginServer = await loadPluginServer(strapi);
+  const cleanPluginServer = await validateStrapiServer(pluginServer);
 
-  await validateStrapiServer(pluginServer);
-
-  const defaultConfig = isFunction(pluginServer.config)
-    ? await pluginServer.config({ env })
-    : pluginServer.config;
-
-  const contentTypes = pluginServer.contentTypes.map(ct =>
-    createContentType(ct, { pluginName: name })
-  );
-  const contentTypesMap = contentTypes.reduce((map, ct) => {
-    map[ct.info.singularName] = ct;
-    map[ct.info.pluralName] = ct;
-  }, {});
+  const configProvider = await createConfigProvider(name, cleanPluginServer.config);
+  const serviceProvider = await createServiceProvider(cleanPluginServer.services);
+  const contentTypeProvider = await createContentTypeProvider(name, cleanPluginServer.contentTypes);
 
   return {
-    bootstrap: pluginServer.bootstrap,
-    destroy: pluginServer.destroy,
-    config: defaultsDeep(defaultConfig, userPluginConfig),
-    // routes: pluginServer.routes,
-    // controller: (name) => pluginServer.controllers[name],
-    service: name => pluginServer.services[name],
-    contentType: name => contentTypesMap[name],
-    getAllContentTypes: () => Object.values(contentTypes),
+    bootstrap: cleanPluginServer.bootstrap,
+    destroy: cleanPluginServer.destroy,
+    config: configProvider,
+    service: serviceProvider.get,
+    contentType: contentTypeProvider.get,
+    getAllContentTypes: contentTypeProvider.getAll,
+    // routes: cleanPluginServer.routes,
+    // controller: (name) => cleanPluginServer.controllers[name],
   };
 };
 
diff --git a/packages/core/strapi/lib/core/plugins/service-provider.js b/packages/core/strapi/lib/core/plugins/service-provider.js
new file mode 100644
index 0000000000..32e29bbc93
--- /dev/null
+++ b/packages/core/strapi/lib/core/plugins/service-provider.js
@@ -0,0 +1,8 @@
+'use strict'
+module.exports = (services) => {
+  return {
+    get(serviceName) {
+      return services[serviceName];
+    }
+  }
+};
diff --git a/packages/core/strapi/lib/core/plugins/validation.js b/packages/core/strapi/lib/core/plugins/validation.js
index ea326da513..a851d33a4b 100644
--- a/packages/core/strapi/lib/core/plugins/validation.js
+++ b/packages/core/strapi/lib/core/plugins/validation.js
@@ -5,21 +5,21 @@ const { yup } = require('@strapi/utils');
 const strapiServerSchema = yup
   .object()
   .shape({
-    bootstrap: yup.mixed().isFunction(),
-    destroy: yup.mixed().isFunction(),
-    config: yup.object(),
-    routes: yup.array(), // may be removed later
+    bootstrap: yup.mixed().isFunction().default(() => {}),
+    destroy: yup.mixed().isFunction().default(() => {}),
+    config: yup.object().default({}),
+    routes: yup.array().default([]), // may be removed later
     controllers: yup.object(), // may be removed later
-    services: yup.object(),
-    policies: yup.object(),
-    middlewares: yup.object(), // may be removed later
-    hooks: yup.object(), // may be removed later
-    contentTypes: yup.array().of(yup.object()),
+    services: yup.object().default({}),
+    policies: yup.object().default({}),
+    middlewares: yup.object().default({}), // may be removed later
+    hooks: yup.object().default({}), // may be removed later
+    contentTypes: yup.array().of(yup.object()).default([]),
   })
   .noUnknown();
 
 const validateStrapiServer = data => {
-  return strapiServerSchema.validate(data, { strict: true, abortEarly: false });
+  return strapiServerSchema.validate(data, { strict: false, abortEarly: false });
 };
 
 module.exports = {
diff --git a/packages/core/strapi/lib/core/app-configuration/config-provider.js b/packages/core/strapi/lib/utils/config-provider.js
similarity index 65%
rename from packages/core/strapi/lib/core/app-configuration/config-provider.js
rename to packages/core/strapi/lib/utils/config-provider.js
index 1c00093fe6..4648ec030b 100644
--- a/packages/core/strapi/lib/core/app-configuration/config-provider.js
+++ b/packages/core/strapi/lib/utils/config-provider.js
@@ -1,15 +1,9 @@
 'use strict';
 
-const assert = require('assert');
 const _ = require('lodash');
 
 module.exports = (initialConfig = {}) => {
-  assert(
-    typeof initialConfig === 'object' && initialConfig !== null,
-    'Initial config must be an object'
-  );
-
-  const _config = initialConfig;
+  const _config = _.cloneDeep(initialConfig);
 
   return Object.assign(_config, {
     get(path, defaultValue) {
diff --git a/packages/core/utils/lib/content-types.js b/packages/core/utils/lib/content-types.js
index 11a49eb63a..7aaeff698e 100644
--- a/packages/core/utils/lib/content-types.js
+++ b/packages/core/utils/lib/content-types.js
@@ -2,7 +2,6 @@
 
 const _ = require('lodash');
 const pluralize = require('pluralize');
-const { nameToSlug } = require('./string-formatting');
 
 const SINGLE_TYPE = 'singleType';
 const COLLECTION_TYPE = 'collectionType';
@@ -124,76 +123,6 @@ const isMediaAttribute = attr => {
   return (attr.collection || attr.model) === 'file' && attr.plugin === 'upload';
 };
 
-const getKind = obj => obj.kind || 'collectionType';
-
-const pickSchema = model => {
-  const schema = _.cloneDeep(
-    _.pick(model, [
-      'connection',
-      'collectionName',
-      'info',
-      'options',
-      'pluginOptions',
-      'attributes',
-    ])
-  );
-
-  schema.kind = getKind(model);
-  return schema;
-};
-
-const createContentType = (model, { apiName, pluginName } = {}) => {
-  // todo : validate schema with yup
-  const createdContentType = _.cloneDeep(model);
-  const singularModelName = nameToSlug(model.singularName);
-  const pluralModelName = nameToSlug(model.pluralName);
-
-  if (apiName) {
-    Object.assign(createdContentType, {
-      uid: `application::${apiName}.${singularModelName}`,
-      apiName,
-      collectionName: model.collectionName || singularModelName,
-      globalId: getGlobalId(createdContentType, singularModelName),
-    });
-  } else if (pluginName) {
-    Object.assign(createdContentType, {
-      uid: `plugins::${pluginName}.${singularModelName}`,
-      plugin: pluginName,
-      collectionName:
-        createdContentType.collectionName || `${pluginName}_${singularModelName}`.toLowerCase(),
-      globalId: getGlobalId(createdContentType, singularModelName, pluginName),
-    });
-  } else {
-    Object.assign(createdContentType, {
-      uid: `strapi::${singularModelName}`,
-      plugin: 'admin',
-      globalId: getGlobalId(createdContentType, singularModelName, 'admin'),
-    });
-  }
-
-  Object.assign(createdContentType, {
-    __schema__: pickSchema(createdContentType),
-    kind: getKind(createdContentType),
-    modelType: 'contentType',
-    modelName: singularModelName,
-    singularName: singularModelName,
-    pluralName: pluralModelName,
-  });
-  Object.defineProperty(createdContentType, 'privateAttributes', {
-    get() {
-      return strapi.getModel(createdContentType.uid).privateAttributes;
-    },
-  });
-
-  return createdContentType;
-};
-
-const getGlobalId = (model, modelName, prefix) => {
-  let globalId = prefix ? `${prefix}-${modelName}` : modelName;
-
-  return model.globalId || _.upperFirst(_.camelCase(globalId));
-};
-
 const isRelationalAttribute = attribute =>
   _.has(attribute, 'model') || _.has(attribute, 'collection');
 
@@ -237,7 +166,5 @@ module.exports = {
   isSingleType,
   isCollectionType,
   isKind,
-  createContentType,
-  getGlobalId,
   getContentTypeRoutePrefix,
 };