diff --git a/ci/build/build-packages.sh b/ci/build/build-packages.sh
index a5ef794e..06f78aff 100755
--- a/ci/build/build-packages.sh
+++ b/ci/build/build-packages.sh
@@ -40,7 +40,7 @@ release_gcp() {
 # Generates deb and rpm packages.
 release_nfpm() {
   local nfpm_config
-  nfpm_config="$(envsubst < ./ci/build/nfpm.yaml)"
+  nfpm_config="$(envsubst <./ci/build/nfpm.yaml)"
 
   # The underscores are convention for .deb.
   nfpm pkg -f <(echo "$nfpm_config") --target "release-packages/code-server_${VERSION}_$ARCH.deb"
diff --git a/ci/build/build-release.sh b/ci/build/build-release.sh
index a806dc98..c3136712 100755
--- a/ci/build/build-release.sh
+++ b/ci/build/build-release.sh
@@ -49,7 +49,7 @@ bundle_code_server() {
 
   # Adds the commit to package.json
   jq --slurp '.[0] * .[1]' package.json <(
-    cat << EOF
+    cat <<EOF
   {
     "commit": "$(git rev-parse HEAD)",
     "scripts": {
@@ -57,7 +57,7 @@ bundle_code_server() {
     }
   }
 EOF
-  ) > "$RELEASE_PATH/package.json"
+  ) >"$RELEASE_PATH/package.json"
   rsync yarn.lock "$RELEASE_PATH"
   rsync ci/build/npm-postinstall.sh "$RELEASE_PATH/postinstall.sh"
 
@@ -89,18 +89,18 @@ bundle_vscode() {
 
   # Adds the commit and date to product.json
   jq --slurp '.[0] * .[1]' "$VSCODE_SRC_PATH/product.json" <(
-    cat << EOF
+    cat <<EOF
   {
     "commit": "$(git rev-parse HEAD)",
     "date": $(jq -n 'now | todate')
   }
 EOF
-  ) > "$VSCODE_OUT_PATH/product.json"
+  ) >"$VSCODE_OUT_PATH/product.json"
 
   # We remove the scripts field so that later on we can run
   # yarn to fetch node_modules if necessary without build scripts running.
   # We cannot use --no-scripts because we still want dependent package scripts to run.
-  jq 'del(.scripts)' < "$VSCODE_SRC_PATH/package.json" > "$VSCODE_OUT_PATH/package.json"
+  jq 'del(.scripts)' <"$VSCODE_SRC_PATH/package.json" >"$VSCODE_OUT_PATH/package.json"
 
   pushd "$VSCODE_OUT_PATH"
   symlink_asar
diff --git a/ci/build/build-standalone-release.sh b/ci/build/build-standalone-release.sh
index df6cdc56..e85678a2 100755
--- a/ci/build/build-standalone-release.sh
+++ b/ci/build/build-standalone-release.sh
@@ -12,7 +12,7 @@ main() {
   # we use the same version it's using so we instead run a script with yarn that
   # will print the path to node.
   local node_path
-  node_path="$(yarn -s node <<< 'console.info(process.execPath)')"
+  node_path="$(yarn -s node <<<'console.info(process.execPath)')"
 
   mkdir -p "$RELEASE_PATH/bin"
   rsync ./ci/build/code-server.sh "$RELEASE_PATH/bin/code-server"
diff --git a/ci/build/code-server.sh b/ci/build/code-server.sh
index deb36ac3..cb71c182 100755
--- a/ci/build/code-server.sh
+++ b/ci/build/code-server.sh
@@ -11,9 +11,9 @@ _realpath() {
   cd "$(dirname "$script")"
 
   while [ -L "$(basename "$script")" ]; do
-    if [ -L "./node" ] && [ -L "./code-server" ] &&
-      [ -f "package.json" ] &&
-      cat package.json | grep -q '^  "name": "code-server",$'; then
+    if [ -L "./node" ] && [ -L "./code-server" ] \
+      && [ -f "package.json" ] \
+      && cat package.json | grep -q '^  "name": "code-server",$'; then
       echo "***** Please use the script in bin/code-server instead!" >&2
       echo "***** This script will soon be removed!" >&2
       echo "***** See the release notes at https://github.com/cdr/code-server/releases/tag/v3.4.0" >&2
diff --git a/ci/build/release-github-draft.sh b/ci/build/release-github-draft.sh
index 28bbb301..fb4e9720 100755
--- a/ci/build/release-github-draft.sh
+++ b/ci/build/release-github-draft.sh
@@ -10,7 +10,7 @@ main() {
   hub release create \
     --file - \
     -t "$(git rev-parse HEAD)" \
-    --draft "v$VERSION" << EOF
+    --draft "v$VERSION" <<EOF
 v$VERSION
 
 VS Code v$(vscode_version)
diff --git a/ci/dev/fmt.sh b/ci/dev/fmt.sh
index 139c0ea0..ea898742 100755
--- a/ci/dev/fmt.sh
+++ b/ci/dev/fmt.sh
@@ -4,8 +4,6 @@ set -euo pipefail
 main() {
   cd "$(dirname "$0")/../.."
 
-  shfmt -i 2 -w -sr $(git ls-files "*.sh" | grep -v "lib/vscode")
-
   local prettierExts
   prettierExts=(
     "*.js"
@@ -18,18 +16,19 @@ main() {
     "*.toml"
     "*.yaml"
     "*.yml"
+    "*.sh"
   )
   prettier --write --loglevel=warn $(
     git ls-files "${prettierExts[@]}" | grep -v "lib/vscode" | grep -v 'helm-chart'
   )
 
-  doctoc --title '# FAQ' docs/FAQ.md > /dev/null
-  doctoc --title '# Setup Guide' docs/guide.md > /dev/null
-  doctoc --title '# Install' docs/install.md > /dev/null
-  doctoc --title '# npm Install Requirements' docs/npm.md > /dev/null
-  doctoc --title '# Contributing' docs/CONTRIBUTING.md > /dev/null
-  doctoc --title '# Contributor Covenant Code of Conduct' docs/CODE_OF_CONDUCT.md > /dev/null
-  doctoc --title '# iPad' docs/ipad.md > /dev/null
+  doctoc --title '# FAQ' docs/FAQ.md >/dev/null
+  doctoc --title '# Setup Guide' docs/guide.md >/dev/null
+  doctoc --title '# Install' docs/install.md >/dev/null
+  doctoc --title '# npm Install Requirements' docs/npm.md >/dev/null
+  doctoc --title '# Contributing' docs/CONTRIBUTING.md >/dev/null
+  doctoc --title '# Contributor Covenant Code of Conduct' docs/CODE_OF_CONDUCT.md >/dev/null
+  doctoc --title '# iPad' docs/ipad.md >/dev/null
 
   if [[ ${CI-} && $(git ls-files --other --modified --exclude-standard) ]]; then
     echo "Files need generation or are formatted incorrectly:"
diff --git a/ci/dev/gen_icons.sh b/ci/dev/gen_icons.sh
index 9d27486d..7617d5e6 100755
--- a/ci/dev/gen_icons.sh
+++ b/ci/dev/gen_icons.sh
@@ -35,10 +35,10 @@ main() {
   # This escapes all newlines so that sed will accept them.
   favicon_dark_style="$(printf "%s\n" "$favicon_dark_style" | sed -e ':a' -e 'N' -e '$!ba' -e 's/\n/\\n/g')"
   sed "$(
-    cat -n << EOF
+    cat -n <<EOF
 s%<rect id="favicon"%$favicon_dark_style<rect id="favicon"%
 EOF
-  )" favicon.svg > favicon-dark-support.svg
+  )" favicon.svg >favicon-dark-support.svg
 }
 
 main "$@"
diff --git a/ci/dev/lint.sh b/ci/dev/lint.sh
index 9ba576e0..1a0c7d20 100755
--- a/ci/dev/lint.sh
+++ b/ci/dev/lint.sh
@@ -8,7 +8,7 @@ main() {
   stylelint $(git ls-files "*.css" | grep -v "lib/vscode")
   tsc --noEmit --skipLibCheck
   shellcheck -e SC2046,SC2164,SC2154,SC1091,SC1090,SC2002 $(git ls-files "*.sh" | grep -v "lib/vscode")
-  if command -v helm && helm kubeval --help > /dev/null; then
+  if command -v helm && helm kubeval --help >/dev/null; then
     helm kubeval ci/helm-chart
   fi
 
diff --git a/ci/dev/update-vscode.sh b/ci/dev/update-vscode.sh
index 0c05a490..285eabd0 100755
--- a/ci/dev/update-vscode.sh
+++ b/ci/dev/update-vscode.sh
@@ -33,7 +33,7 @@ main() {
 
   # Check if the remote exists
   # if it doesn't, we add it
-  if ! git config remote.vscode.url > /dev/null; then
+  if ! git config remote.vscode.url >/dev/null; then
     echo "Could not find 'vscode' as a remote"
     echo "Adding with: git remote add vscode https://github.com/microsoft/vscode.git"
     git remote add vscode https://github.com/microsoft/vscode.git
@@ -52,7 +52,7 @@ main() {
   fi
 
   # Check that they have jq installed
-  if ! command -v jq &> /dev/null; then
+  if ! command -v jq &>/dev/null; then
     echo "jq could not be found."
     echo "We use this when looking up the exact version to update to in the package.json in VS Code."
     echo -e "See docs here: https://stedolan.github.io/jq/download/"
@@ -71,7 +71,7 @@ main() {
   git fetch vscode
 
   # Check if GitHub CLI is installed
-  if ! command -v gh &> /dev/null; then
+  if ! command -v gh &>/dev/null; then
     echo "GitHub CLI could not be found."
     echo "If you install it before you run this script next time, we'll open a draft PR for you!"
     echo -e "See docs here: https://github.com/cli/cli#installation\n"
diff --git a/ci/images/centos7/Dockerfile b/ci/images/centos7/Dockerfile
index a37e590b..3a82dcf7 100644
--- a/ci/images/centos7/Dockerfile
+++ b/ci/images/centos7/Dockerfile
@@ -26,7 +26,6 @@ ENV PATH=/usr/local/go/bin:$GOPATH/bin:$PATH
 
 # Install Go dependencies
 ENV GO111MODULE=on
-RUN go get mvdan.cc/sh/v3/cmd/shfmt
 RUN go get github.com/goreleaser/nfpm/cmd/nfpm@v1.9.0
 
 RUN curl -fsSL https://get.docker.com | sh
diff --git a/ci/images/debian10/Dockerfile b/ci/images/debian10/Dockerfile
index 5e4a5f85..20977641 100644
--- a/ci/images/debian10/Dockerfile
+++ b/ci/images/debian10/Dockerfile
@@ -42,7 +42,6 @@ ENV PATH=/usr/local/go/bin:$GOPATH/bin:$PATH
 
 # Install Go dependencies
 ENV GO111MODULE=on
-RUN go get mvdan.cc/sh/v3/cmd/shfmt
 RUN go get github.com/goreleaser/nfpm/cmd/nfpm@v1.9.0
 
 RUN VERSION="$(curl -fsSL https://storage.googleapis.com/kubernetes-release/release/stable.txt)" && \
diff --git a/ci/lib.sh b/ci/lib.sh
index 96a413f1..cebc3d75 100755
--- a/ci/lib.sh
+++ b/ci/lib.sh
@@ -2,11 +2,11 @@
 set -euo pipefail
 
 pushd() {
-  builtin pushd "$@" > /dev/null
+  builtin pushd "$@" >/dev/null
 }
 
 popd() {
-  builtin popd > /dev/null
+  builtin popd >/dev/null
 }
 
 pkg_json_version() {
@@ -75,7 +75,7 @@ download_artifact() {
   local tmp_file
   tmp_file="$(mktemp)"
 
-  curl -fsSL "$(get_artifact_url "$artifact_name")" > "$tmp_file"
+  curl -fsSL "$(get_artifact_url "$artifact_name")" >"$tmp_file"
   unzip -q -o "$tmp_file" -d "$dst"
   rm "$tmp_file"
 }
diff --git a/ci/release-image/entrypoint.sh b/ci/release-image/entrypoint.sh
index 48a17a31..1c8c8bff 100755
--- a/ci/release-image/entrypoint.sh
+++ b/ci/release-image/entrypoint.sh
@@ -6,7 +6,7 @@ set -eu
 eval "$(fixuid -q)"
 
 if [ "${DOCKER_USER-}" ] && [ "$DOCKER_USER" != "$USER" ]; then
-  echo "$DOCKER_USER ALL=(ALL) NOPASSWD:ALL" | sudo tee -a /etc/sudoers.d/nopasswd > /dev/null
+  echo "$DOCKER_USER ALL=(ALL) NOPASSWD:ALL" | sudo tee -a /etc/sudoers.d/nopasswd >/dev/null
   # Unfortunately we cannot change $HOME as we cannot move any bind mounts
   # nor can we bind mount $HOME into a new home as that requires a privileged container.
   sudo usermod --login "$DOCKER_USER" coder
diff --git a/ci/steps/build-docker-image.sh b/ci/steps/build-docker-image.sh
index 16653a0e..8ae5855b 100755
--- a/ci/steps/build-docker-image.sh
+++ b/ci/steps/build-docker-image.sh
@@ -8,7 +8,7 @@ main() {
   ./ci/release-image/build.sh
 
   mkdir -p release-images
-  docker save "codercom/code-server-$ARCH:$VERSION" > "release-images/code-server-$ARCH-$VERSION.tar"
+  docker save "codercom/code-server-$ARCH:$VERSION" >"release-images/code-server-$ARCH-$VERSION.tar"
 }
 
 main "$@"
diff --git a/ci/steps/publish-npm.sh b/ci/steps/publish-npm.sh
index 7bd497d0..934a5dec 100755
--- a/ci/steps/publish-npm.sh
+++ b/ci/steps/publish-npm.sh
@@ -6,7 +6,7 @@ main() {
   source ./ci/lib.sh
 
   if [[ ${CI-} ]]; then
-    echo "//registry.npmjs.org/:_authToken=${NPM_TOKEN}" > ~/.npmrc
+    echo "//registry.npmjs.org/:_authToken=${NPM_TOKEN}" >~/.npmrc
   fi
 
   download_artifact npm-package ./release-npm-package
diff --git a/docs/CONTRIBUTING.md b/docs/CONTRIBUTING.md
index 98c88d1b..15c997fd 100644
--- a/docs/CONTRIBUTING.md
+++ b/docs/CONTRIBUTING.md
@@ -36,7 +36,6 @@ There are several differences, however. You must:
 - Use Node.js version 12.x (or greater)
 - Have [yarn](https://classic.yarnpkg.com/en/) installed (which is used to install JS packages and run development scripts)
 - Have [nfpm](https://github.com/goreleaser/nfpm) (which is used to build `.deb` and `.rpm` packages and [jq](https://stedolan.github.io/jq/) (used to build code-server releases) installed
-- Have [shfmt](https://pkg.go.dev/mvdan.cc/sh/v3) installed to run `yarn fmt` (requires Go is installed on your system)
 
 The [CI container](../ci/images/debian10/Dockerfile) is a useful reference for all
 of the dependencies code-server uses.
diff --git a/install.sh b/install.sh
index 0b37747c..6da274a3 100755
--- a/install.sh
+++ b/install.sh
@@ -13,7 +13,7 @@ usage() {
 "
   fi
 
-  cath << EOF
+  cath <<EOF
 Installs code-server for Linux, macOS and FreeBSD.
 It tries to use the system package manager if possible.
 After successful installation it explains how to start using code-server.
@@ -81,7 +81,7 @@ echo_latest_version() {
 
 echo_npm_postinstall() {
   echoh
-  cath << EOF
+  cath <<EOF
 The npm package has been installed successfully!
 Please extend your path to use code-server:
   PATH="$NPM_BIN_DIR:\$PATH"
@@ -92,7 +92,7 @@ EOF
 
 echo_standalone_postinstall() {
   echoh
-  cath << EOF
+  cath <<EOF
 Standalone release has been installed into $STANDALONE_INSTALL_PREFIX/lib/code-server-$VERSION
 Please extend your path to use code-server:
   PATH="$STANDALONE_INSTALL_PREFIX/bin:\$PATH"
@@ -103,7 +103,7 @@ EOF
 
 echo_systemd_postinstall() {
   echoh
-  cath << EOF
+  cath <<EOF
 To have systemd start code-server now and restart on boot:
   sudo systemctl enable --now code-server@\$USER
 Or, if you don't want/need a background service you can run:
@@ -509,7 +509,7 @@ arch() {
 }
 
 command_exists() {
-  command -v "$@" > /dev/null
+  command -v "$@" >/dev/null
 }
 
 sh_c() {
@@ -571,7 +571,7 @@ prefix() {
   fifo="$(mktemp -d)/fifo"
   mkfifo "$fifo"
   sed -e "s#^#$PREFIX: #" "$fifo" &
-  "$@" > "$fifo" 2>&1
+  "$@" >"$fifo" 2>&1
 }
 
 main "$@"
diff --git a/package.json b/package.json
index 033a3f73..9df7b19f 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,8 @@
     "istanbul-badges-readme": "^1.2.0",
     "leaked-handles": "^5.2.0",
     "parcel-bundler": "^1.12.4",
-    "prettier": "^2.0.5",
+    "prettier": "^2.2.1",
+    "prettier-plugin-sh": "^0.6.0",
     "stylelint": "^13.0.0",
     "stylelint-config-recommended": "^3.0.0",
     "ts-node": "^9.0.0",
diff --git a/yarn.lock b/yarn.lock
index 0a195710..e26c5532 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5202,6 +5202,11 @@ ms@2.1.2:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
 
+mvdan-sh@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/mvdan-sh/-/mvdan-sh-0.5.0.tgz#fa76f611a103595ad0f04f5d18e582892c46e87c"
+  integrity sha512-UWbdl4LHd2fUnaEcOUFVWRdWGLkNoV12cKVIPiirYd8qM5VkCoCTXErlDubevrkEG7kGohvjRxAlTQmOqG80tw==
+
 nan@^2.12.1:
   version "2.14.2"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.2.tgz#f5376400695168f4cc694ac9393d0c9585eeea19"
@@ -6306,7 +6311,14 @@ prettier-linter-helpers@^1.0.0:
   dependencies:
     fast-diff "^1.1.2"
 
-prettier@^2.0.5:
+prettier-plugin-sh@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/prettier-plugin-sh/-/prettier-plugin-sh-0.6.0.tgz#021c22597a5a866c346095cd7f6c662a49dea249"
+  integrity sha512-y+SSThg/8mrGGkcAolWpociiTZlH7nlIUtqZl1dueyhngof8rD48tUHVQqvIaCx21T/0+9TyzsTEsVviPjR5og==
+  dependencies:
+    mvdan-sh "^0.5.0"
+
+prettier@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.2.1.tgz#795a1a78dd52f073da0cd42b21f9c91381923ff5"
   integrity sha512-PqyhM2yCjg/oKkFPtTGUojv7gnZAoG80ttl45O6x2Ug/rMJw4wcc9k6aaf2hibP7BGVCCM33gZoGjyvt9mm16Q==