switch to bun

src/app.ts

@@ -1,7 +1,6 @@
 import { Hono } from "hono";
-import { serve } from "@hono/node-server";
 import loadConfiguration from "./config";
-import { DatabaseInterface } from "./database/DatabaseInterface";
+import type { DatabaseInterface } from "./database/DatabaseInterface";
 import PgDatabase from "./database/PgDatabase";
 import { setup as setupAccounts } from "./domain/account/setup";
 import { HTTPError } from "./errors";
@@ -20,7 +19,7 @@ app.onError((err, c) => {
   return c.json({ error: "Internal server error" }, 500);
 });
 
-serve({
+export default {
   port: config.port,
   fetch: app.fetch,
-});
+};

src/config.ts

@@ -12,8 +12,6 @@ export interface Configuration {
 }
 
 export default function loadConfiguration(): Configuration {
-  process.loadEnvFile();
-
   return {
     database: {
       host: getUnsafeEnv("DATABASE_HOST"),

src/domain/account/controller/AccountController.ts

@@ -1,6 +1,6 @@
 import { Hono } from "hono";
 import { validator } from "hono/validator";
-import { AccountServiceInterface } from "../service/AccountServiceInterface";
+import type { AccountServiceInterface } from "../service/AccountServiceInterface";
 import { loginSchema, registerSchema } from "../validation/AccountValidation";
 import { BadSchemaError } from "../../../errors";
 import { createRateLimit } from "../../../middleware/rateLimiter";

src/domain/account/repository/AccoutRepository.ts

@@ -1,6 +1,6 @@
-import { DatabaseInterface } from "../../../database/DatabaseInterface";
+import type { DatabaseInterface } from "../../../database/DatabaseInterface";
 import { AccountEntity } from "../entity/AccountEntity";
-import { AccountRepositoryInterface } from "./AccountRepositoryInterface";
+import type { AccountRepositoryInterface } from "./AccountRepositoryInterface";
 
 export default class AccountRepository implements AccountRepositoryInterface {
   constructor(private readonly database: DatabaseInterface) {}

src/domain/account/service/AccountService.ts

@@ -1,6 +1,6 @@
 import { AccountEntity } from "../entity/AccountEntity";
-import { AccountRepositoryInterface } from "../repository/AccountRepositoryInterface";
-import { AccountServiceInterface } from "./AccountServiceInterface";
+import type { AccountRepositoryInterface } from "../repository/AccountRepositoryInterface";
+import type { AccountServiceInterface } from "./AccountServiceInterface";
 import {
   AccountNotFoundError,
   AccountAlreadyExistsError,

src/domain/account/setup.ts

@@ -1,5 +1,5 @@
 import { Hono } from "hono";
-import { DatabaseInterface } from "../../database/DatabaseInterface";
+import type { DatabaseInterface } from "../../database/DatabaseInterface";
 import toRoutes from "./controller/AccountController";
 import AccountRepository from "./repository/AccoutRepository";
 import AccountService from "./service/AccountService";

src/errors.ts

@@ -1,4 +1,4 @@
-import { ContentfulStatusCode } from "hono/utils/http-status";
+import type { ContentfulStatusCode } from "hono/utils/http-status";
 
 export class HTTPError extends Error {
   constructor(