diff --git a/packages/docusaurus-types/src/index.d.ts b/packages/docusaurus-types/src/index.d.ts
index 574794220687..d3cd057e7fda 100644
--- a/packages/docusaurus-types/src/index.d.ts
+++ b/packages/docusaurus-types/src/index.d.ts
@@ -410,37 +410,6 @@ export type DocusaurusContext = {
   // isBrowser: boolean; // Not here on purpose!
 };
 
-export type HostPortCLIOptions = {
-  host?: string;
-  port?: string;
-};
-
-export type ConfigOptions = {
-  config: string;
-};
-
-export type StartCLIOptions = HostPortCLIOptions &
-  ConfigOptions & {
-    hotOnly: boolean;
-    open: boolean;
-    poll: boolean | number;
-    locale?: string;
-  };
-
-export type ServeCLIOptions = HostPortCLIOptions &
-  ConfigOptions & {
-    dir: string;
-    build: boolean;
-  };
-
-export type BuildCLIOptions = ConfigOptions & {
-  bundleAnalyzer: boolean;
-  outDir: string;
-  minify: boolean;
-  skipBuild: boolean;
-  locale?: string;
-};
-
 export type LoadContext = {
   siteDir: string;
   generatedFilesDir: string;
diff --git a/packages/docusaurus/src/commands/build.ts b/packages/docusaurus/src/commands/build.ts
index 72d613082858..555cb76bd66b 100644
--- a/packages/docusaurus/src/commands/build.ts
+++ b/packages/docusaurus/src/commands/build.ts
@@ -13,10 +13,10 @@ import ReactLoadableSSRAddon from 'react-loadable-ssr-addon-v5-slorber';
 import type {Configuration} from 'webpack';
 import {BundleAnalyzerPlugin} from 'webpack-bundle-analyzer';
 import merge from 'webpack-merge';
-import {load, loadContext} from '../server';
+import {load, loadContext, type LoadContextOptions} from '../server';
 import {handleBrokenLinks} from '../server/brokenLinks';
 
-import type {BuildCLIOptions, Props} from '@docusaurus/types';
+import type {Props} from '@docusaurus/types';
 import createClientConfig from '../webpack/client';
 import createServerConfig from '../webpack/server';
 import {
@@ -29,6 +29,14 @@ import {loadI18n} from '../server/i18n';
 import {mapAsyncSequential} from '@docusaurus/utils';
 import type {HelmetServerState} from 'react-helmet-async';
 
+export type BuildCLIOptions = Pick<
+  LoadContextOptions,
+  'config' | 'locale' | 'outDir'
+> & {
+  bundleAnalyzer?: boolean;
+  minify?: boolean;
+};
+
 export async function build(
   siteDir: string,
   cliOptions: Partial<BuildCLIOptions>,
@@ -64,8 +72,8 @@ export async function build(
   }
   const context = await loadContext({
     siteDir,
-    customOutDir: cliOptions.outDir,
-    customConfigFilePath: cliOptions.config,
+    outDir: cliOptions.outDir,
+    config: cliOptions.config,
     locale: cliOptions.locale,
     localizePath: cliOptions.locale ? false : undefined,
   });
@@ -113,8 +121,8 @@ async function buildLocale({
 
   const props: Props = await load({
     siteDir,
-    customOutDir: cliOptions.outDir,
-    customConfigFilePath: cliOptions.config,
+    outDir: cliOptions.outDir,
+    config: cliOptions.config,
     locale,
     localizePath: cliOptions.locale ? false : undefined,
   });
diff --git a/packages/docusaurus/src/commands/commandUtils.ts b/packages/docusaurus/src/commands/commandUtils.ts
deleted file mode 100644
index d14d5b8977ad..000000000000
--- a/packages/docusaurus/src/commands/commandUtils.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-import {choosePort} from '../server/choosePort';
-import type {HostPortCLIOptions} from '@docusaurus/types';
-import {DEFAULT_PORT} from '@docusaurus/utils';
-
-export function getCLIOptionHost(
-  hostOption: HostPortCLIOptions['host'],
-): string {
-  return hostOption ?? 'localhost';
-}
-
-export async function getCLIOptionPort(
-  portOption: HostPortCLIOptions['port'],
-  host: string,
-): Promise<number | null> {
-  const basePort = portOption ? parseInt(portOption, 10) : DEFAULT_PORT;
-  return choosePort(host, basePort);
-}
diff --git a/packages/docusaurus/src/commands/deploy.ts b/packages/docusaurus/src/commands/deploy.ts
index 2e0fbb504767..485c3940049d 100644
--- a/packages/docusaurus/src/commands/deploy.ts
+++ b/packages/docusaurus/src/commands/deploy.ts
@@ -9,12 +9,18 @@ import fs from 'fs-extra';
 import shell from 'shelljs';
 import logger from '@docusaurus/logger';
 import {hasSSHProtocol, buildSshUrl, buildHttpsUrl} from '@docusaurus/utils';
-import {loadContext} from '../server';
+import {loadContext, type LoadContextOptions} from '../server';
 import {build} from './build';
-import type {BuildCLIOptions} from '@docusaurus/types';
 import path from 'path';
 import os from 'os';
 
+export type DeployCLIOptions = Pick<
+  LoadContextOptions,
+  'config' | 'locale' | 'outDir'
+> & {
+  skipBuild?: boolean;
+};
+
 // GIT_PASS env variable should not appear in logs
 function obfuscateGitPass(str: string) {
   const gitPass = process.env.GIT_PASS;
@@ -36,12 +42,12 @@ function shellExecLog(cmd: string) {
 
 export async function deploy(
   siteDir: string,
-  cliOptions: Partial<BuildCLIOptions>,
+  cliOptions: Partial<DeployCLIOptions>,
 ): Promise<void> {
   const {outDir, siteConfig, siteConfigPath} = await loadContext({
     siteDir,
-    customConfigFilePath: cliOptions.config,
-    customOutDir: cliOptions.outDir,
+    config: cliOptions.config,
+    outDir: cliOptions.outDir,
   });
 
   if (typeof siteConfig.trailingSlash === 'undefined') {
diff --git a/packages/docusaurus/src/commands/serve.ts b/packages/docusaurus/src/commands/serve.ts
index 35ba82fd5a01..044bd04ee684 100644
--- a/packages/docusaurus/src/commands/serve.ts
+++ b/packages/docusaurus/src/commands/serve.ts
@@ -9,11 +9,17 @@ import http from 'http';
 import serveHandler from 'serve-handler';
 import logger from '@docusaurus/logger';
 import path from 'path';
+import type {LoadContextOptions} from '../server';
 import {loadSiteConfig} from '../server/config';
 import {build} from './build';
-import {getCLIOptionHost, getCLIOptionPort} from './commandUtils';
+import {getHostPort, type HostPortOptions} from '../server/getHostPort';
 import {DEFAULT_BUILD_DIR_NAME} from '@docusaurus/utils';
-import type {ServeCLIOptions} from '@docusaurus/types';
+
+export type ServeCLIOptions = HostPortOptions &
+  Pick<LoadContextOptions, 'config'> & {
+    dir?: string;
+    build?: boolean;
+  };
 
 export async function serve(
   siteDir: string,
@@ -33,8 +39,7 @@ export async function serve(
     );
   }
 
-  const host: string = getCLIOptionHost(cliOptions.host);
-  const port: number | null = await getCLIOptionPort(cliOptions.port, host);
+  const {host, port} = await getHostPort(cliOptions);
 
   if (port === null) {
     process.exit();
diff --git a/packages/docusaurus/src/commands/start.ts b/packages/docusaurus/src/commands/start.ts
index 169776a1f193..8dee7788911b 100644
--- a/packages/docusaurus/src/commands/start.ts
+++ b/packages/docusaurus/src/commands/start.ts
@@ -17,17 +17,23 @@ import evalSourceMapMiddleware from 'react-dev-utils/evalSourceMapMiddleware';
 import webpack from 'webpack';
 import WebpackDevServer from 'webpack-dev-server';
 import merge from 'webpack-merge';
-import {load} from '../server';
-import type {StartCLIOptions} from '@docusaurus/types';
+import {load, type LoadContextOptions} from '../server';
 import createClientConfig from '../webpack/client';
 import {
   applyConfigureWebpack,
   applyConfigurePostCss,
   getHttpsConfig,
 } from '../webpack/utils';
-import {getCLIOptionHost, getCLIOptionPort} from './commandUtils';
+import {getHostPort, type HostPortOptions} from '../server/getHostPort';
 import {getTranslationsLocaleDirPath} from '../server/translations/translations';
 
+export type StartCLIOptions = HostPortOptions &
+  Pick<LoadContextOptions, 'locale' | 'config'> & {
+    hotOnly?: boolean;
+    open?: boolean;
+    poll?: boolean | number;
+  };
+
 export async function start(
   siteDir: string,
   cliOptions: Partial<StartCLIOptions>,
@@ -39,7 +45,7 @@ export async function start(
   function loadSite() {
     return load({
       siteDir,
-      customConfigFilePath: cliOptions.config,
+      config: cliOptions.config,
       locale: cliOptions.locale,
       localizePath: undefined, // Should this be configurable?
     });
@@ -50,8 +56,7 @@ export async function start(
 
   const protocol: string = process.env.HTTPS === 'true' ? 'https' : 'http';
 
-  const host: string = getCLIOptionHost(cliOptions.host);
-  const port: number | null = await getCLIOptionPort(cliOptions.port, host);
+  const {host, port} = await getHostPort(cliOptions);
 
   if (port === null) {
     process.exit();
diff --git a/packages/docusaurus/src/commands/swizzle/actions.ts b/packages/docusaurus/src/commands/swizzle/actions.ts
index 8bff8fc92873..1379e8238b54 100644
--- a/packages/docusaurus/src/commands/swizzle/actions.ts
+++ b/packages/docusaurus/src/commands/swizzle/actions.ts
@@ -11,14 +11,14 @@ import path from 'path';
 import _ from 'lodash';
 import {Globby, posixPath, THEME_PATH} from '@docusaurus/utils';
 import type {SwizzleAction, SwizzleComponentConfig} from '@docusaurus/types';
-import type {SwizzleOptions} from './common';
+import type {SwizzleCLIOptions} from './common';
 import {askSwizzleAction} from './prompts';
 
 export const SwizzleActions: SwizzleAction[] = ['wrap', 'eject'];
 
 export async function getAction(
   componentConfig: SwizzleComponentConfig,
-  options: Pick<SwizzleOptions, 'wrap' | 'eject'>,
+  options: Pick<SwizzleCLIOptions, 'wrap' | 'eject'>,
 ): Promise<SwizzleAction> {
   if (options.wrap) {
     return 'wrap';
diff --git a/packages/docusaurus/src/commands/swizzle/common.ts b/packages/docusaurus/src/commands/swizzle/common.ts
index 2d399b60a731..4c6eeda8135c 100644
--- a/packages/docusaurus/src/commands/swizzle/common.ts
+++ b/packages/docusaurus/src/commands/swizzle/common.ts
@@ -61,7 +61,7 @@ export type SwizzlePlugin = {
 
 export type SwizzleContext = {plugins: SwizzlePlugin[]};
 
-export type SwizzleOptions = {
+export type SwizzleCLIOptions = {
   typescript: boolean;
   danger: boolean;
   list: boolean;
@@ -70,8 +70,8 @@ export type SwizzleOptions = {
 };
 
 export function normalizeOptions(
-  options: Partial<SwizzleOptions>,
-): SwizzleOptions {
+  options: Partial<SwizzleCLIOptions>,
+): SwizzleCLIOptions {
   return {
     typescript: options.typescript ?? false,
     danger: options.danger ?? false,
diff --git a/packages/docusaurus/src/commands/swizzle/index.ts b/packages/docusaurus/src/commands/swizzle/index.ts
index 1937785328a1..0d13d7387aab 100644
--- a/packages/docusaurus/src/commands/swizzle/index.ts
+++ b/packages/docusaurus/src/commands/swizzle/index.ts
@@ -10,7 +10,7 @@ import {getThemeName, getThemePath, getThemeNames} from './themes';
 import {getThemeComponents, getComponentName} from './components';
 import {helpTables, themeComponentsTable} from './tables';
 import type {SwizzleAction, SwizzleComponentConfig} from '@docusaurus/types';
-import type {SwizzleOptions, SwizzlePlugin} from './common';
+import type {SwizzleCLIOptions, SwizzlePlugin} from './common';
 import {normalizeOptions} from './common';
 import type {ActionResult} from './actions';
 import {eject, getAction, wrap} from './actions';
@@ -25,7 +25,7 @@ async function listAllThemeComponents({
 }: {
   themeNames: string[];
   plugins: SwizzlePlugin[];
-  typescript: SwizzleOptions['typescript'];
+  typescript: SwizzleCLIOptions['typescript'];
 }) {
   const themeComponentsTables = (
     await Promise.all(
@@ -90,7 +90,7 @@ export async function swizzle(
   siteDir: string,
   themeNameParam: string | undefined,
   componentNameParam: string | undefined,
-  optionsParam: Partial<SwizzleOptions>,
+  optionsParam: Partial<SwizzleCLIOptions>,
 ): Promise<void> {
   const options = normalizeOptions(optionsParam);
   const {list, danger, typescript} = options;
diff --git a/packages/docusaurus/src/commands/writeTranslations.ts b/packages/docusaurus/src/commands/writeTranslations.ts
index 43acf9c5fab0..606c8447d698 100644
--- a/packages/docusaurus/src/commands/writeTranslations.ts
+++ b/packages/docusaurus/src/commands/writeTranslations.ts
@@ -5,9 +5,9 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import type {ConfigOptions, InitializedPlugin} from '@docusaurus/types';
+import type {InitializedPlugin} from '@docusaurus/types';
 import path from 'path';
-import {loadContext} from '../server';
+import {loadContext, type LoadContextOptions} from '../server';
 import {initPlugins} from '../server/plugins/init';
 
 import {
@@ -23,6 +23,12 @@ import {
 } from '../server/translations/translationsExtractor';
 import {getCustomBabelConfigFilePath, getBabelOptions} from '../webpack/utils';
 
+export type WriteTranslationsCLIOptions = Pick<
+  LoadContextOptions,
+  'config' | 'locale'
+> &
+  WriteTranslationsOptions;
+
 /**
  * This is a hack, so that @docusaurus/theme-common translations are extracted!
  * A theme doesn't have a way to express that one of its dependency (like
@@ -74,13 +80,11 @@ async function writePluginTranslationFiles({
 
 export async function writeTranslations(
   siteDir: string,
-  options: Partial<
-    WriteTranslationsOptions & ConfigOptions & {locale?: string}
-  >,
+  options: Partial<WriteTranslationsCLIOptions>,
 ): Promise<void> {
   const context = await loadContext({
     siteDir,
-    customConfigFilePath: options.config,
+    config: options.config,
     locale: options.locale,
   });
   const plugins = await initPlugins(context);
diff --git a/packages/docusaurus/src/server/choosePort.ts b/packages/docusaurus/src/server/getHostPort.ts
similarity index 85%
rename from packages/docusaurus/src/server/choosePort.ts
rename to packages/docusaurus/src/server/getHostPort.ts
index 53a5b5c3cf84..c9792a45ec65 100644
--- a/packages/docusaurus/src/server/choosePort.ts
+++ b/packages/docusaurus/src/server/getHostPort.ts
@@ -8,6 +8,7 @@
 import {execSync, type ExecSyncOptionsWithStringEncoding} from 'child_process';
 import detect from 'detect-port';
 import logger from '@docusaurus/logger';
+import {DEFAULT_PORT} from '@docusaurus/utils';
 import prompts from 'prompts';
 
 const execOptions: ExecSyncOptionsWithStringEncoding = {
@@ -48,7 +49,7 @@ function getProcessForPort(port: number): string | null {
  * port is already being used. This feature was heavily inspired by
  * create-react-app and uses many of the same utility functions to implement it.
  */
-export async function choosePort(
+async function choosePort(
   host: string,
   defaultPort: number,
 ): Promise<number | null> {
@@ -85,3 +86,18 @@ Would you like to run the app on another port instead?`),
     throw err;
   }
 }
+
+export type HostPortOptions = {
+  host?: string;
+  port?: string;
+};
+
+export async function getHostPort(options: HostPortOptions): Promise<{
+  host: string;
+  port: number | null;
+}> {
+  const host = options.host ?? 'localhost';
+  const basePort = options.port ? parseInt(options.port, 10) : DEFAULT_PORT;
+  const port = await choosePort(host, basePort);
+  return {host, port};
+}
diff --git a/packages/docusaurus/src/server/index.ts b/packages/docusaurus/src/server/index.ts
index 0ada575f811f..55b2466d11c9 100644
--- a/packages/docusaurus/src/server/index.ts
+++ b/packages/docusaurus/src/server/index.ts
@@ -31,10 +31,10 @@ import type {DocusaurusConfig, LoadContext, Props} from '@docusaurus/types';
 export type LoadContextOptions = {
   /** Usually the CWD; can be overridden with command argument. */
   siteDir: string;
-  /** Can be customized with `--out-dir` option */
-  customOutDir?: string;
-  /** Can be customized with `--config` option */
-  customConfigFilePath?: string;
+  /** Custom output directory. Can be customized with `--out-dir` option */
+  outDir?: string;
+  /** Custom config path. Can be customized with `--config` option */
+  config?: string;
   /** Default is `i18n.defaultLocale` */
   locale?: string;
   /**
@@ -55,7 +55,12 @@ export type LoadContextOptions = {
 export async function loadContext(
   options: LoadContextOptions,
 ): Promise<LoadContext> {
-  const {siteDir, customOutDir, locale, customConfigFilePath} = options;
+  const {
+    siteDir,
+    outDir: baseOutDir = DEFAULT_BUILD_DIR_NAME,
+    locale,
+    config: customConfigFilePath,
+  } = options;
   const generatedFilesDir = path.resolve(siteDir, GENERATED_FILES_DIR_NAME);
 
   const {siteConfig: initialSiteConfig, siteConfigPath} = await loadSiteConfig({
@@ -72,7 +77,7 @@ export async function loadContext(
     pathType: 'url',
   });
   const outDir = localizePath({
-    path: path.resolve(siteDir, customOutDir ?? DEFAULT_BUILD_DIR_NAME),
+    path: path.resolve(siteDir, baseOutDir),
     i18n,
     options,
     pathType: 'fs',
diff --git a/packages/docusaurus/src/server/plugins/__tests__/init.test.ts b/packages/docusaurus/src/server/plugins/__tests__/init.test.ts
index 3ecf57b0d860..adcd9147dcb6 100644
--- a/packages/docusaurus/src/server/plugins/__tests__/init.test.ts
+++ b/packages/docusaurus/src/server/plugins/__tests__/init.test.ts
@@ -37,9 +37,7 @@ describe('initPlugins', () => {
 
   it('throws user-friendly error message for plugins with bad values', async () => {
     await expect(() =>
-      loadSite({
-        customConfigFilePath: 'badPlugins.docusaurus.config.js',
-      }),
+      loadSite({config: 'badPlugins.docusaurus.config.js'}),
     ).rejects.toThrowErrorMatchingSnapshot();
   });
 });