diff --git a/.dockerignore b/.dockerignore
index 007882d1..f3341dda 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,7 +1,11 @@
 Dockerfile
-doc/
+build
+deployment
+doc
+.git
 .github
 .gitignore
+.node-version
 .travis.yml
 LICENSE
 README.md
diff --git a/scripts/tasks.bash b/scripts/tasks.bash
index b4b593f6..7412140f 100755
--- a/scripts/tasks.bash
+++ b/scripts/tasks.bash
@@ -99,7 +99,7 @@ function build-code-server() {
 	log "Installing remote dependencies"
 	cd "${vscodeSourcePath}/remote"
 	yarn --production --force --build-from-source
-	cp -r "${vscodeSourcePath}/remote/node_modules" "${codeServerBuildPath}"
+	mv "${vscodeSourcePath}/remote/node_modules" "${codeServerBuildPath}"
 
 	# Only keep the production dependencies.
 	cd "${codeServerBuildPath}/out/vs/server"
diff --git a/src/util.ts b/src/util.ts
index e1aca6fa..983a8ce8 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -122,10 +122,12 @@ export const open = async (url: string): Promise<void> => {
  */
 export const unpackExecutables = async (): Promise<void> => {
 	const rgPath = (rg as any).binaryRgPath;
-	if (rgPath) {
+	const destination = path.join(tmpdir, path.basename(rgPath || ""));
+	if (rgPath && !(await util.promisify(fs.exists)(destination))) {
 		await mkdirp(tmpdir);
-		const destination = path.join(tmpdir, path.basename(rgPath));
-		await util.promisify(fs.copyFile)(rgPath, destination);
+		// TODO: I'm not sure why but copyFile doesn't work in the Docker build.
+		// await util.promisify(fs.copyFile)(rgPath, destination);
+		await util.promisify(fs.writeFile)(destination, await util.promisify(fs.readFile)(rgPath));
 		await util.promisify(fs.chmod)(destination, "755");
 	}
 };