diff --git a/package.json b/package.json
index a3ce9b2..7c8f48c 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,9 @@
     "vitest": "^0.9.4"
   },
   "dependencies": {
-    "fastify": "^3.27.0"
+    "@theoryofnekomata/uuid-buffer": "^0.1.0",
+    "fastify": "^3.27.0",
+    "fastify-plugin": "^3.0.1"
   },
   "scripts": {
     "prepublishOnly": "pridepack clean && pridepack build",
diff --git a/src/modules/git/Git.controller.ts b/src/modules/git/Git.controller.ts
new file mode 100644
index 0000000..7d77b78
--- /dev/null
+++ b/src/modules/git/Git.controller.ts
@@ -0,0 +1,34 @@
+import {GitService, GitServiceImpl} from './Git.service';
+import {RouteHandlerMethod} from 'fastify';
+import {constants} from 'http2';
+import * as codeCore from '@modal/code-core';
+import {HttpResponse} from '../../packages/fastify-send-data';
+import Controller from '../../utils/types';
+import {Uuid} from '@theoryofnekomata/uuid-buffer';
+
+export interface GitController extends Controller<
+  'createRepo'
+  | 'deleteRepo'
+> {}
+
+class RepoCreatedResponse extends HttpResponse<codeCore.git.Repo>(constants.HTTP_STATUS_CREATED, 'Repo Created') {}
+class RepoDeletedResponse extends HttpResponse(constants.HTTP_STATUS_NO_CONTENT, 'Repo Deleted') {}
+
+export class GitControllerImpl implements GitController {
+  private readonly gitService: GitService;
+
+  constructor() {
+    this.gitService = new GitServiceImpl()
+  }
+
+  readonly createRepo: RouteHandlerMethod = async (request, reply) => {
+    const repo = await this.gitService.createRepo(request.body as codeCore.git.CreateRepoData, request.user);
+    reply.sendData(new RepoCreatedResponse(repo));
+  }
+
+  readonly deleteRepo: RouteHandlerMethod = async (request, reply) => {
+    const params = request.params as { repoId: string }
+    await this.gitService.deleteRepo(Uuid.from(params.repoId), request.user)
+    reply.sendData(new RepoDeletedResponse());
+  }
+}
diff --git a/src/modules/git/Git.service.ts b/src/modules/git/Git.service.ts
new file mode 100644
index 0000000..0cbceb3
--- /dev/null
+++ b/src/modules/git/Git.service.ts
@@ -0,0 +1,28 @@
+import * as codeCore from '@modal/code-core';
+
+export interface GitService {
+  createRepo(options: codeCore.git.CreateRepoData, user?: codeCore.common.User): Promise<codeCore.git.Repo>;
+  deleteRepo(repoId: codeCore.git.Repo['id'], user?: codeCore.common.User): Promise<void>
+}
+
+export class GitServiceImpl implements GitService {
+  private readonly coreGitService: codeCore.git.GitService;
+
+  constructor() {
+    this.coreGitService = new codeCore.git.GitServiceImpl();
+  }
+
+  async createRepo(options: codeCore.git.CreateRepoData, user?: codeCore.common.User): Promise<codeCore.git.Repo> {
+    if (user) {
+      return this.coreGitService.create(options, user);
+    }
+    throw new Error('Unauthorized');
+  }
+
+  async deleteRepo(repoId: codeCore.git.Repo['id'], user?: codeCore.common.User): Promise<void> {
+    if (user) {
+      await this.coreGitService.delete(repoId, user);
+    }
+    throw new Error('Unauthorized');
+  }
+}
diff --git a/src/modules/git/index.ts b/src/modules/git/index.ts
new file mode 100644
index 0000000..f18cf7d
--- /dev/null
+++ b/src/modules/git/index.ts
@@ -0,0 +1,3 @@
+export * from './Git.service'
+export * from './Git.controller'
+export * from './models'
diff --git a/src/modules/git/models.ts b/src/modules/git/models.ts
new file mode 100644
index 0000000..f16b5a1
--- /dev/null
+++ b/src/modules/git/models.ts
@@ -0,0 +1,3 @@
+import * as codeCore from '@modal/code-core'
+
+export type CreateRepoOptions = codeCore.git.CreateOptions
diff --git a/src/packages/fastify-compliant-http-errors/index.ts b/src/packages/fastify-compliant-http-errors/index.ts
new file mode 100644
index 0000000..1a69a91
--- /dev/null
+++ b/src/packages/fastify-compliant-http-errors/index.ts
@@ -0,0 +1,68 @@
+import { FastifyReply, FastifyRequest } from 'fastify'
+
+type AppErrorOptions = {
+	cause?: Error,
+}
+
+export class AppError extends Error {
+	public readonly cause?: Error
+
+	constructor(message?: string, options?: AppErrorOptions) {
+		super(message)
+		if (typeof options === 'object') {
+			this.cause = options.cause
+		}
+	}
+}
+
+const httpErrorClassFactory = (statusCode: number, statusMessage?: string) => class HttpError extends AppError {
+	readonly statusCode = statusCode
+	readonly statusMessage = statusMessage
+}
+
+interface CustomFastifyError extends Error {
+	statusMessage?: string;
+	validation: {
+		keyword: string,
+		instancePath: string,
+		params: Record<string, unknown>,
+		message: string,
+	}[];
+	statusCode?: number;
+	errors: Record<string, unknown>[];
+	detail?: string;
+}
+
+export const fastifyErrorHandler = (error: CustomFastifyError, _request: FastifyRequest, reply: FastifyReply) => {
+	reply.headers({
+		'Content-Type': 'application/problem+json',
+	})
+
+	if (error.validation) {
+		reply.status(400)
+		reply.raw.statusMessage = 'Invalid Request'
+		reply.send({
+			title: 'There are errors in the request body.',
+			'invalid-params': error.validation.map(v => ({
+				name: (
+					v.keyword === 'required'
+						? `${v.instancePath}/${v.params.missingProperty}`
+						: v.instancePath
+				).replaceAll('/', '.'),
+				reason: v.message,
+			})),
+		})
+		return
+	}
+
+	if (Number.isNaN(reply.raw.statusCode)) {
+		reply.status(error?.statusCode ?? 500)
+	}
+	reply.raw.statusMessage = error.statusMessage ?? 'Unknown Error'
+	reply.send({
+		title: reply.raw.statusMessage,
+		detail: error.message,
+	})
+}
+
+export { httpErrorClassFactory as HttpError }
diff --git a/src/packages/fastify-integration-tests/index.ts b/src/packages/fastify-integration-tests/index.ts
new file mode 100644
index 0000000..978b312
--- /dev/null
+++ b/src/packages/fastify-integration-tests/index.ts
@@ -0,0 +1,23 @@
+import { FastifyInstance, InjectOptions, LightMyRequestResponse } from 'fastify'
+
+export type MockResponse = LightMyRequestResponse
+
+export type MockResponseThunk = () => Promise<MockResponse>
+
+export type MockClient = (opts: InjectOptions) => Promise<MockResponse>
+
+export const makeJsonRequestClient = (server: FastifyInstance): MockClient => (opts) => {
+	const inject = {
+		...opts,
+		headers: {
+			...(opts.headers ?? {}),
+			'accept': 'applicaton/json',
+		} as Record<string, string>,
+	}
+	if (opts.payload) {
+		inject.headers['content-type'] = 'application/json'
+		inject.payload = JSON.stringify(opts.payload)
+	}
+
+	return server.inject(inject)
+}
diff --git a/src/packages/fastify-send-data/index.ts b/src/packages/fastify-send-data/index.ts
new file mode 100644
index 0000000..43428e7
--- /dev/null
+++ b/src/packages/fastify-send-data/index.ts
@@ -0,0 +1,53 @@
+import { FastifyInstance, FastifyReply } from 'fastify'
+import fp from 'fastify-plugin'
+import { constants } from 'http2'
+
+export interface ResponseDataInterface<T extends unknown = undefined> {
+	statusCode: number
+	statusMessage?: string
+	body?: T extends undefined ? undefined : { data: T }
+}
+
+const fastifySendData = async (app: FastifyInstance) => {
+	const sendDataKey = 'sendData' as const
+	app.decorateReply(sendDataKey, function reply<T extends ResponseDataInterface>(this: FastifyReply, data: T) {
+		this.status(data.statusCode)
+		if (data.statusMessage) {
+			this.raw.statusMessage = data.statusMessage
+		}
+		if (data.statusCode !== constants.HTTP_STATUS_NO_CONTENT) {
+			this.send(data.body)
+			return
+		}
+		this.removeHeader('content-type')
+		this.removeHeader('content-length')
+		this.send()
+	})
+}
+
+type SendData<O extends unknown = unknown, T extends ResponseDataInterface<O> = ResponseDataInterface<O>> = (data: T) => void
+
+declare module 'fastify' {
+	interface FastifyReply {
+		sendData: SendData
+	}
+}
+
+export const HttpResponse = <T extends unknown = undefined>(
+	statusCode = constants.HTTP_STATUS_OK,
+	statusMessage?: string,
+) => class HttpResponseData {
+	readonly statusCode = statusCode
+	readonly statusMessage = statusMessage
+	readonly body?: { data: T }
+
+	constructor(data?: T) {
+		if (data && statusCode !== constants.HTTP_STATUS_NO_CONTENT) {
+			this.body = {
+				data,
+			}
+		}
+	}
+}
+
+export default fp(fastifySendData)
diff --git a/src/packages/fastify-service-session/index.ts b/src/packages/fastify-service-session/index.ts
new file mode 100644
index 0000000..5b45448
--- /dev/null
+++ b/src/packages/fastify-service-session/index.ts
@@ -0,0 +1,26 @@
+import fp from 'fastify-plugin'
+import { FastifyInstance, FastifyRequest } from 'fastify'
+
+export interface FastifySessionOpts<SessionType = unknown, SessionId = string, RequestType extends FastifyRequest = FastifyRequest> {
+	sessionRequestKey?: string,
+	extractSessionId: (request: RequestType) => SessionId | null | undefined,
+	isSessionValid: (sessionId: SessionId) => Promise<boolean>,
+	getSession: (sessionId: SessionId) => Promise<SessionType>
+}
+
+const fastifySession = async (app: FastifyInstance, opts: FastifySessionOpts) => {
+	const { sessionRequestKey = 'session' } = opts
+	app.decorateRequest(sessionRequestKey, null)
+	app.addHook('onRequest', async (request: FastifyRequest) => {
+		const sessionId = opts.extractSessionId(request)
+		if (typeof sessionId === 'string') {
+			const isSessionValid = await opts.isSessionValid(sessionId)
+			if (isSessionValid) {
+				const mutableRequest = (request as unknown) as Record<string, unknown>
+				mutableRequest[sessionRequestKey] = await opts.getSession(sessionId)
+			}
+		}
+	})
+}
+
+export default fp(fastifySession)
diff --git a/src/routes.ts b/src/routes.ts
index 384d587..66fe13b 100644
--- a/src/routes.ts
+++ b/src/routes.ts
@@ -1,7 +1,21 @@
 import { FastifyInstance } from 'fastify';
+import * as git from './modules/git'
 
-export const addRoutes = (SERVER: FastifyInstance) => {
-  SERVER.get('/', async (_, reply) => {
+export const addRoutes = (server: FastifyInstance) => {
+  server.get('/', async (_, reply) => {
     reply.send({hello: 'world'})
   });
+
+  const gitController = new git.GitControllerImpl()
+  server.route({
+    method: 'POST',
+    url: '/repos',
+    handler: gitController.createRepo,
+  })
+
+  server.route({
+    method: 'DELETE',
+    url: '/repos/:id',
+    handler: gitController.deleteRepo,
+  })
 }
diff --git a/src/server.ts b/src/server.ts
index 07304dd..aca8ffb 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -1,9 +1,20 @@
-import fastify from 'fastify';
+import fastify, {FastifyServerOptions} from 'fastify';
+import * as codeCore from '@modal/code-core';
+import {fastifyErrorHandler} from './packages/fastify-compliant-http-errors';
+import fastifySendData from './packages/fastify-send-data';
 
-export const createServer = () => {
-  const server = fastify({
-    logger: true,
-  })
+declare module 'fastify' {
+  interface FastifyRequest {
+    user?: codeCore.common.User,
+  }
+}
+
+export const createServer = (opts?: FastifyServerOptions) => {
+  const server = fastify(opts)
+
+  server.setErrorHandler(fastifyErrorHandler)
+
+  server.register(fastifySendData)
 
   return server;
 }
diff --git a/src/utils/types.ts b/src/utils/types.ts
new file mode 100644
index 0000000..3542d68
--- /dev/null
+++ b/src/utils/types.ts
@@ -0,0 +1,7 @@
+import { RouteHandlerMethod } from 'fastify'
+
+type Controller<T extends string> = {
+  [key in T]: RouteHandlerMethod;
+};
+
+export default Controller
diff --git a/yarn.lock b/yarn.lock
index 67d334c..5a28a7c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -359,6 +359,14 @@
   resolved "https://registry.yarnpkg.com/@ovyerus/licenses/-/licenses-6.4.4.tgz#596e3ace46ab7c70bcf0e2b17f259796a4bedf9f"
   integrity sha512-IHjc31WXciQT3hfvdY+M59jBkQp70Fpr04tNDVO5rez2PNv4u8tE6w//CkU+GeBoO9k2ahneSqzjzvlgjyjkGw==
 
+"@theoryofnekomata/uuid-buffer@^0.1.0":
+  version "0.1.0"
+  resolved "https://js.pack.modal.sh/@theoryofnekomata%2fuuid-buffer/-/uuid-buffer-0.1.0.tgz#0917314e8230ce1a2047172b3277512bc0fd73a3"
+  integrity sha512-DUKQE2UmS9vq+5kNp1f50U+XLdmgTEKWxRgeCgasXCipL7JNVQoYqwwcuDlCb+yNdqQ2/fNbAEWHKs3kRfa6+w==
+  dependencies:
+    "@types/uuid" "^8.3.4"
+    uuid "^8.3.2"
+
 "@types/chai-subset@^1.3.3":
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/@types/chai-subset/-/chai-subset-1.3.3.tgz#97893814e92abd2c534de422cb377e0e0bdaac94"
@@ -386,6 +394,11 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-17.0.35.tgz#635b7586086d51fb40de0a2ec9d1014a5283ba4a"
   integrity sha512-vu1SrqBjbbZ3J6vwY17jBs8Sr/BKA+/a/WtjRG+whKg1iuLFOosq872EXS0eXWILdO36DHQQeku/ZcL6hz2fpg==
 
+"@types/uuid@^8.3.4":
+  version "8.3.4"
+  resolved "https://registry.yarnpkg.com/@types/uuid/-/uuid-8.3.4.tgz#bd86a43617df0594787d38b735f55c805becf1bc"
+  integrity sha512-c/I8ZRb51j+pYGAu5CrFMRxqZ2ke4y2grEBO5AUjgSkSk+qT2Ea+OdWElz/OiMf5MNpn2b17kuVBwZLQJXzihw==
+
 "@typescript-eslint/eslint-plugin@^5.9.0":
   version "5.25.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-5.25.0.tgz#e8ce050990e4d36cc200f2de71ca0d3eb5e77a31"
@@ -1531,6 +1544,11 @@ fast-safe-stringify@^2.0.8:
   resolved "https://registry.yarnpkg.com/fast-safe-stringify/-/fast-safe-stringify-2.1.1.tgz#c406a83b6e70d9e35ce3b30a81141df30aeba884"
   integrity sha512-W+KJc2dmILlPplD/H4K9l9LcAHAfPtP6BY84uVLXQ6Evcz9Lcg33Y2z1IVblT6xdY54PXYVHEv+0Wpq8Io6zkA==
 
+fastify-plugin@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/fastify-plugin/-/fastify-plugin-3.0.1.tgz#79e84c29f401020f38b524f59f2402103fd21ed2"
+  integrity sha512-qKcDXmuZadJqdTm6vlCqioEbyewF60b/0LOFCcYN1B6BIZGlYJumWWOYs70SFYLDAH4YqdE1cxH/RKMG7rFxgA==
+
 fastify@^3.27.0:
   version "3.29.0"
   resolved "https://registry.yarnpkg.com/fastify/-/fastify-3.29.0.tgz#b840107f4fd40cc999b886548bfcda8062e38168"
@@ -3058,6 +3076,11 @@ util-deprecate@^1.0.1, util-deprecate@^1.0.2:
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
   integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
 
+uuid@^8.3.2:
+  version "8.3.2"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-8.3.2.tgz#80d5b5ced271bb9af6c445f21a1a04c606cefbe2"
+  integrity sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==
+
 v8-compile-cache@^2.0.3:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.3.0.tgz#2de19618c66dc247dcfb6f99338035d8245a2cee"