diff --git a/.gitignore b/.gitignore
index d96680ec27..ffa60dc99d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,4 +11,3 @@ node_modules
 /server_manager/install_scripts/do_install_script.ts
 /server_manager/install_scripts/gcp_install_script.ts
 /output
-/build
diff --git a/client/build/get_build_parameters.mjs b/client/build/get_build_parameters.mjs
new file mode 100644
index 0000000000..6f331f40e2
--- /dev/null
+++ b/client/build/get_build_parameters.mjs
@@ -0,0 +1,59 @@
+// Copyright 2022 The Outline Authors	
+//	
+// Licensed under the Apache License, Version 2.0 (the "License");	
+// you may not use this file except in compliance with the License.	
+// You may obtain a copy of the License at	
+//	
+//      http://www.apache.org/licenses/LICENSE-2.0	
+//	
+// Unless required by applicable law or agreed to in writing, software	
+// distributed under the License is distributed on an "AS IS" BASIS,	
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.	
+// See the License for the specific language governing permissions and	
+// limitations under the License.	
+
+import minimist from 'minimist';	
+
+const VALID_PLATFORMS = ['linux', 'windows', 'ios', 'macos', 'maccatalyst', 'android', 'browser'];	
+const VALID_BUILD_MODES = ['debug', 'release'];	
+
+const MS_PER_HOUR = 1000 * 60 * 60;	
+
+/*	
+  Inputs:	
+  => cliParameters: the list of action arguments passed in	
+  Outputs:	
+  => an object containing the specificed platform and buildMode.	
+*/	
+export function getBuildParameters(cliArguments) {	
+  const {	
+    _: [platform = 'browser'],	
+    buildMode = 'debug',	
+    verbose = false,	
+    versionName = '0.0.0',	
+    sentryDsn = process.env.SENTRY_DSN,	
+  } = minimist(cliArguments);	
+
+  if (platform && !VALID_PLATFORMS.includes(platform)) {	
+    throw new TypeError(	
+      `Platform "${platform}" is not a valid target for Outline Client. Must be one of ${VALID_PLATFORMS.join(', ')}`	
+    );	
+  }	
+
+  if (buildMode && !VALID_BUILD_MODES.includes(buildMode)) {	
+    throw new TypeError(	
+      `Build mode "${buildMode}" is not a valid build mode for Outline Client. Must be one of ${VALID_BUILD_MODES.join(	
+        ', '	
+      )}`	
+    );	
+  }	
+
+  return {	
+    platform,	
+    buildMode,	
+    verbose,	
+    versionName: buildMode === 'release' ? versionName : `${versionName}-${buildMode}`,	
+    sentryDsn,	
+    buildNumber: Math.floor(Date.now() / MS_PER_HOUR),	
+  };	
+}	
diff --git a/client/build/get_webpack_build_mode.mjs b/client/build/get_webpack_build_mode.mjs
new file mode 100644
index 0000000000..7e86cd98d9
--- /dev/null
+++ b/client/build/get_webpack_build_mode.mjs
@@ -0,0 +1,30 @@
+// Copyright 2022 The Outline Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/*
+  Inputs:
+  => buildMode: the outline build mode
+  Outputs:
+  => the appropriate webpack mode for this type of build
+*/
+export function getWebpackBuildMode(buildMode) {
+  switch (buildMode) {
+    case 'debug':
+      return 'development';
+    case 'release':
+      return 'production';
+    default:
+      throw new TypeError('get_webpack_mode requires a buildMode argument of debug or release');
+  }
+}
diff --git a/client/build/run_webpack.mjs b/client/build/run_webpack.mjs
new file mode 100644
index 0000000000..0f45a78a20
--- /dev/null
+++ b/client/build/run_webpack.mjs
@@ -0,0 +1,36 @@
+// Copyright 2022 The Outline Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import webpack from 'webpack';
+
+export const runWebpack = webpackConfig =>
+  new Promise((resolve, reject) => {
+    webpack(webpackConfig, (error, stats) => {
+      if (error || stats.hasErrors()) {
+        reject(
+          error ||
+            stats
+              .toJson()
+              ?.errors.reduce(
+                (errorMessages, {message}) => (message ? `${errorMessages}\n${message}` : errorMessages),
+                ''
+              ) ||
+            'Unknown Webpack error.'
+        );
+      }
+
+      resolve(stats);
+    });
+  });
+  
\ No newline at end of file
diff --git a/package.json b/package.json
index bd586ad28d..f411f34c71 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "action:help": "npm run action list",
     "action:list": "npm run action list",
     "action": "node ./src/build/run_action.mjs",
-    "clean": "rimraf client/build client/output node_modules client/node_modules client/www client/platforms client/plugins third_party/jsign/*.jar && go run github.com/go-task/task/v3/cmd/task clean",
+    "clean": "rimraf client/output node_modules client/node_modules client/www client/platforms client/plugins third_party/jsign/*.jar && go run github.com/go-task/task/v3/cmd/task clean",
     "format:all": "prettier --write \"**/*.{cjs,mjs,html,js,json,md,ts}\"",
     "format": "pretty-quick --staged --pattern \"**/*.{cjs,mjs,html,js,json,md,ts}\"",
     "lint:ts": "eslint --ext ts,mjs client",