diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 5d8728bb03bb..e29aaa2358fc 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -9,6 +9,8 @@ on:
 
 env:
   HAS_SECRETS: ${{ secrets.HAS_SECRETS }}
+  MAIN_BRANCH: master
+  CI: true
 
 jobs:
   not-failed-backport:
@@ -26,8 +28,6 @@ jobs:
     if: "!startsWith(github.event.head_commit.message, '[skip ci] ')"
 
     env:
-      MAIN_BRANCH: master
-      CI: true
       PATH: /bin:/usr/bin:/usr/local/bin:/home/runner/.local/bin
 
     steps:
@@ -121,16 +121,12 @@ jobs:
 
       - run: make transifex-send
         if: env.HAS_SECRETS == 'HAS_SECRETS' && github.ref == format('refs/heads/{0}', env.MAIN_BRANCH)
-      - run: buildtools/publish
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        if: env.HAS_SECRETS == 'HAS_SECRETS'
       - run: buildtools/npm-publish
         if: env.HAS_SECRETS == 'HAS_SECRETS' && github.event_name == 'push'
 
       - name: Publish Storybook to Chromatic to run visual tests
         run: npm run chromatic -- --project-token=$(gopass show gs/ci/chromatic/ngeo_token)
-        if: env.HAS_SECRETS == 'HAS_SECRETS' && github.event_name != 'pull_request_target'
+        if: env.HAS_SECRETS == 'HAS_SECRETS' && github.event_name == 'push'
       - name: Publish Storybook to Chromatic to run visual tests
         run: GITHUB_SHA=${GITHUB_SHA_} npm run chromatic -- --project-token=$(gopass show gs/ci/chromatic/ngeo_token) --branch-name=${GITHUB_HEAD_REF}
         if: env.HAS_SECRETS == 'HAS_SECRETS' && github.event_name == 'pull_request_target'
@@ -147,3 +143,51 @@ jobs:
         if: >
           github.ref == format('refs/heads/{0}', env.MAIN_BRANCH)
           && env.HAS_SECRETS == 'HAS_SECRETS'
+
+      - name: Prepare gh-pages
+        run: |
+          mkdir -p gh-pages
+          cp -ar api/dist gh-pages/api
+          cp -ar apidoc gh-pages/apidoc
+          cp -ar .build/examples-hosted gh-pages/examples
+          cp -ar .build/storybook gh-pages/storybook
+        if: startsWith(github.ref, 'refs/heads/') && ! contains(github.ref_name, '/') && env.HAS_SECRETS == 'HAS_SECRETS'
+
+      - uses: actions/upload-artifact@v2
+        with:
+          name: gh-pages
+          path: gh-pages
+        if: startsWith(github.ref, 'refs/heads/') && ! contains(github.ref_name, '/') && env.HAS_SECRETS == 'HAS_SECRETS'
+
+  gh-pages:
+    runs-on: ubuntu-20.04
+    name: Github Pages
+    timeout-minutes: 10
+    if: startsWith(github.ref, 'refs/heads/') && ! contains(github.ref_name, '/')
+    concurrency: gh-pages
+    needs:
+      - main
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          ref: gh-pages
+          fetch-depth: 0
+        if: env.HAS_SECRETS == 'HAS_SECRETS'
+
+      - uses: actions/download-artifact@v2
+        with:
+          name: gh-pages
+          path: ${{ github.ref_name }}
+        if: env.HAS_SECRETS == 'HAS_SECRETS'
+
+      - name: Rewrite root commit and force push
+        run: |
+          git config --global user.name "Continuous integration"
+          git config --global user.email "ci@comptocamp.org"
+          FIRST_COMMIT=$(git log --format='%H' | tail -1)
+          git reset --quiet --mixed $FIRST_COMMIT
+          git add ${{ github.ref_name }}
+          git commit --quiet --amend --message="Update GitHub pages"
+          git push --force
+        if: env.HAS_SECRETS == 'HAS_SECRETS'
diff --git a/.github/workflows/test_url.yaml b/.github/workflows/test_url.yaml
index ef769682a9a8..52baa9b17717 100644
--- a/.github/workflows/test_url.yaml
+++ b/.github/workflows/test_url.yaml
@@ -30,6 +30,7 @@ jobs:
               body: [
                 \`Examples: https://camptocamp.github.io/ngeo/\${process.env.GITHUB_HEAD_REF}/examples/\`,
                 \`Storybook: https://camptocamp.github.io/ngeo/\${process.env.GITHUB_HEAD_REF}/storybook/\`,
+                \`API help: https://camptocamp.github.io/ngeo/\${process.env.GITHUB_HEAD_REF}/api/apihelp/apihelp.html\`,
                 \`API documentation: https://camptocamp.github.io/ngeo/\${process.env.GITHUB_HEAD_REF}/apidoc/\`,
               ].join('\n'),
               event: 'COMMENT'
diff --git a/buildtools/publish b/buildtools/publish
deleted file mode 100755
index 606d9e6b8f7c..000000000000
--- a/buildtools/publish
+++ /dev/null
@@ -1,66 +0,0 @@
-#!/bin/bash -ex
-
-# The MIT License (MIT)
-#
-# Copyright (c) Camptocamp SA
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy of
-# this software and associated documentation files (the "Software"), to deal in
-# the Software without restriction, including without limitation the rights to
-# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-# the Software, and to permit persons to whom the Software is furnished to do so,
-# subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-GIT_REF=$(git rev-parse HEAD)
-
-if [ -z "${GITHUB_REF}" ]
-then
-  GIT_BRANCH=$(git rev-parse --symbolic-full-name --abbrev-ref HEAD)
-elif [[ "${GITHUB_REF}" =~ ^refs/heads/.* ]]
-then
-  GIT_BRANCH=$(echo "${GITHUB_REF}"|sed 's|^refs/heads/||g')
-else
-  echo "Build is not on a branch"
-  exit
-fi
-
-if [[ ${GIT_BRANCH} =~ "/" ]]
-then
-  echo "Skipping deploy of external branch ${GIT_BRANCH}"
-  exit
-fi
-
-cp -r api/dist api/dist_
-
-# Cloning gh-pages into a local temporary directory
-git fetch origin
-git checkout -b gh-pages origin/gh-pages
-
-git rm --ignore-unmatch -r --quiet --force ${GIT_BRANCH} || true
-
-mkdir -p ${GIT_BRANCH}/examples
-cp -r .build/examples-hosted/* ${GIT_BRANCH}/examples/
-cp -r .build/storybook ${GIT_BRANCH}/
-mv apidoc ${GIT_BRANCH}/
-mv api/dist_ ${GIT_BRANCH}/api
-
-# Rewrite root commit and force push
-FIRST_COMMIT=$(git log --format='%H' | tail -1)
-git reset --quiet --mixed $FIRST_COMMIT
-git add ${GIT_BRANCH}
-git commit --quiet --amend --message="Update GitHub pages"
-
-remote_repo="https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/camptocamp/ngeo.git"
-git push "${remote_repo}" gh-pages --force
-
-git checkout ${GIT_REF}
diff --git a/buildtools/webpack.api.js b/buildtools/webpack.api.js
index dd5516d31f9e..9403ccea6fc4 100644
--- a/buildtools/webpack.api.js
+++ b/buildtools/webpack.api.js
@@ -1,6 +1,6 @@
 // The MIT License (MIT)
 //
-// Copyright (c) 2018-2021 Camptocamp SA
+// Copyright (c) 2018-2022 Camptocamp SA
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -47,6 +47,7 @@ module.exports = (env, argv) => {
       rules: [
         {
           test: /\.js$/,
+          exclude: [/(core-js|strip-ansi)/],
           use: {
             loader: 'babel-loader',
             options: {
@@ -61,6 +62,7 @@ module.exports = (env, argv) => {
     output: {
       filename: 'api.js',
       path: dest,
+      libraryTarget: 'umd',
       libraryExport: 'default',
       library: library,
     },