diff --git a/.github/workflows/pr-deploy.yml b/.github/workflows/pr-deploy.yml
new file mode 100644
index 000000000..30f97a653
--- /dev/null
+++ b/.github/workflows/pr-deploy.yml
@@ -0,0 +1,92 @@
+name: Pull Request CI
+
+env:
+  PATH_PREFIX: /docs/${{ github.ref }}
+  GATSBY_DEFAULT_MAIN_URL: https://staging.k6.io
+  GATSBY_DEFAULT_DOC_URL: https://mdr-ci.staging.k6.io/docs/${{ github.ref }}
+  GATSBY_DEFAULT_BLOG_URL: https://k6.io/blog
+  GATSBY_DEFAULT_APP_URL: https://app.staging.k6.io
+
+on:
+  pull_request:
+    branches: master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Print build settings
+        run: |
+          echo "PATH_PREFIX: $PATH_PREFIX" 
+          echo "GATSBY_DEFAULT_MAIN_URL: $GATSBY_DEFAULT_MAIN_URL"
+          echo "GATSBY_DEFAULT_DOC_URL: $GATSBY_DEFAULT_DOC_URL"
+          echo "GATSBY_DEFAULT_BLOG_URL: $GATSBY_DEFAULT_BLOG_URL"
+          echo "GATSBY_DEFAULT_APP_URL: $GATSBY_DEFAULT_APP_URL"
+
+      - name: Use Node.js 12.xs
+        uses: actions/setup-node@v1
+        with:
+          node-version: '12.x'
+          registry-url: 'https://registry.npmjs.org'
+
+      - name: Install
+        run: npm install
+
+      - name: Build
+        run: npm run build
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: k6-docs
+          path: public/
+
+  deploy:
+    runs-on: ubuntu-latest
+    needs: [build]
+
+    env:
+      AWS_ACCESS_KEY_ID: ${{ secrets.PR_CI_AWS_ACCESS_KEY }}
+      AWS_SECRET_ACCESS_KEY: ${{ secrets.PR_CI_AWS_SECRET_KEY }}
+      AWS_REGION: 'eu-west-1'
+
+    steps:
+      - name: Download artifact
+        uses: actions/download-artifact@v2
+        with:
+          name: k6-docs
+          path: public/
+
+      - name: Sync to S3
+        uses: jakejarvis/s3-sync-action@v0.5.1
+        with:
+          args: --delete
+        env:
+          AWS_S3_BUCKET: ${{ secrets.PR_CI_AWS_S3_BUCKET }}
+          SOURCE_DIR: public/
+          DEST_DIR: docs/${{ github.ref }}
+
+      - name: Invalidate Cloudfront
+        uses: chetan/invalidate-cloudfront-action@v1.2
+        env:
+          DISTRIBUTION: ${{ secrets.PR_CI_CLOUDFRONT_DISTRIBUTION_ID }}
+          PATHS: '/docs/*'
+
+      - name: Post published URL to PR
+        if: github.event.action == 'opened'
+        uses: actions/github-script@0.8.0
+        with:
+          github-token: ${{secrets.GITHUB_TOKEN}}
+          script: |
+            github.issues.createComment({
+              issue_number: context.payload.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body:
+                "There's a version of the docs published here:\n\n" +
+                `${process.env.GATSBY_DEFAULT_DOC_URL}\n\n` +
+                'It will be deleted automatically in 30 days.',
+            })
diff --git a/gatsby-config.js b/gatsby-config.js
index 0b4eef828..25ef1db1b 100644
--- a/gatsby-config.js
+++ b/gatsby-config.js
@@ -7,7 +7,7 @@ require('dotenv').config({
 
 const mainURL = process.env.GATSBY_DEFAULT_DOC_URL;
 const isProduction = mainURL === 'https://k6.io/docs';
-const isStaging = mainURL === 'https://staging.k6.io/docs';
+const isStaging = mainURL.startsWith('https://staging.k6.io');
 
 const shouldAnnouncementBannerBeShown = false;
 
@@ -276,7 +276,7 @@ if (process.env.BUCKET_NAME) {
 }
 
 module.exports = {
-  pathPrefix: `/docs`,
+  pathPrefix: process.env.PATH_PREFIX || `/docs`,
 
   siteMetadata: {
     siteTitle:
diff --git a/src/styles/parts/fonts.scss b/src/styles/parts/fonts.scss
index 6ec28ec50..4731377f2 100644
--- a/src/styles/parts/fonts.scss
+++ b/src/styles/parts/fonts.scss
@@ -29,22 +29,28 @@
   font-family: 'TT Norms Pro';
   font-style: normal;
   font-weight: 400;
-  src: url('/fonts/tt-norms-pro/tt-pro-regular-webfont.woff2') format('woff2'),
-    url('/fonts/tt-norms-pro/tt-pro-regular-webfont.woff') format('woff');
+  src: url('../../static/fonts/tt-norms-pro/tt-pro-regular-webfont.woff2')
+      format('woff2'),
+    url('../../static/fonts/tt-norms-pro/tt-pro-regular-webfont.woff')
+      format('woff');
 }
 
 @font-face {
   font-family: 'TT Norms Pro';
   font-style: normal;
   font-weight: 500;
-  src: url('/fonts/tt-norms-pro/tt-pro-medium-webfont.woff2') format('woff2'),
-    url('/fonts/tt-norms-pro/tt-pro-medium-webfont.woff') format('woff');
+  src: url('../../static/fonts/tt-norms-pro/tt-pro-medium-webfont.woff2')
+      format('woff2'),
+    url('../../static/fonts/tt-norms-pro/tt-pro-medium-webfont.woff')
+      format('woff');
 }
 
 @font-face {
   font-family: 'TT Norms Pro';
   font-style: normal;
   font-weight: 700;
-  src: url('/fonts/tt-norms-pro/tt-pro-bold-webfont.woff2') format('woff2'),
-    url('/fonts/tt-norms-pro/tt-pro-bold-webfont.woff') format('woff');
+  src: url('../../static/fonts/tt-norms-pro/tt-pro-bold-webfont.woff2')
+      format('woff2'),
+    url('../../static/fonts/tt-norms-pro/tt-pro-bold-webfont.woff')
+      format('woff');
 }