diff --git a/.editorconfig b/.editorconfig
deleted file mode 100644
index eab3139d4c..0000000000
--- a/.editorconfig
+++ /dev/null
@@ -1,12 +0,0 @@
-# https://editorconfig.org/
-
-# top-most EditorConfig file
-root = true
-
-[*]
-indent_style = space
-indent_size = 2
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000000..7e23248fc1
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,22 @@
+name: Lint code
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+
+      - name: Setup Node.js 14.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: 14.x
+
+      - name: Install and lint
+        run: |
+          yarn
+          yarn lint
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000000..ea78de8774
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,2 @@
+public/vendor/
+public/javascript/vendor/
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000000..1154726c26
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,14 @@
+{
+  "arrowParens": "avoid",
+  "proseWrap": "never",
+  "quoteProps": "consistent",
+  "trailingComma": "all",
+  "overrides": [
+    {
+      "files": "*.{json}",
+      "options": {
+        "printWidth": 1000
+      }
+    }
+  ]
+}
diff --git a/package.json b/package.json
index 2cd105e2d4..f1e40337b6 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,13 @@
     "yarn": "^1"
   },
   "dependencies": {
-    "xml2js": "^0.4.19"
+    "prettier": "2.2.1",
+    "xml2js": "0.4.19"
+  },
+  "scripts": {
+    "format": "yarn prettier --write",
+    "lint": "yarn prettier --list-different",
+    "prettier": "prettier \"**/*.{ts,js,json,md,scss,yaml,yml}\""
   },
   "workspaces": [
     "ui",
diff --git a/yarn.lock b/yarn.lock
index 96660a49e7..a96cbd6837 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3506,6 +3506,11 @@ preserve@^0.2.0:
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
   integrity sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=
 
+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==
+
 pretty-bytes@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/pretty-bytes/-/pretty-bytes-4.0.2.tgz#b2bf82e7350d65c6c33aa95aaa5a4f6327f61cd9"
@@ -4770,18 +4775,18 @@ wrappy@1:
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
   integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
 
-xml2js@^0.4.19:
-  version "0.4.23"
-  resolved "https://registry.yarnpkg.com/xml2js/-/xml2js-0.4.23.tgz#a0c69516752421eb2ac758ee4d4ccf58843eac66"
-  integrity sha512-ySPiMjM0+pLDftHgXY4By0uswI3SPKLDw/i3UXbnO8M/p28zqexCUoPmQFrYD+/1BzhGJSs2i1ERWKJAtiLrug==
+xml2js@0.4.19:
+  version "0.4.19"
+  resolved "https://registry.yarnpkg.com/xml2js/-/xml2js-0.4.19.tgz#686c20f213209e94abf0d1bcf1efaa291c7827a7"
+  integrity sha512-esZnJZJOiJR9wWKMyuvSE1y6Dq5LCuJanqhxslH2bxM6duahNZ+HMpCLhBQGZkbX6xRf8x1Y2eJlgt2q3qo49Q==
   dependencies:
     sax ">=0.6.0"
-    xmlbuilder "~11.0.0"
+    xmlbuilder "~9.0.1"
 
-xmlbuilder@~11.0.0:
-  version "11.0.1"
-  resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-11.0.1.tgz#be9bae1c8a046e76b31127726347d0ad7002beb3"
-  integrity sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA==
+xmlbuilder@~9.0.1:
+  version "9.0.7"
+  resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-9.0.7.tgz#132ee63d2ec5565c557e20f4c22df9aca686b10d"
+  integrity sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0=
 
 "xtend@>=4.0.0 <4.1.0-0", xtend@~4.0.0, xtend@~4.0.1:
   version "4.0.2"