diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 00000000..288e096d
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,137 @@
+name: ci
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+
+  test_node:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        node: [ '15', '14', '12' ]
+        os: [ windows-latest, ubuntu-latest ]
+    name: Test with Node v${{ matrix.node }} on ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v3.0.2
+    - uses: actions/setup-node@v3.4.1
+      with:
+        node-version: ${{ matrix.node }}
+    - uses: bahmutov/npm-install@v1.8.22
+    - run: |
+        npm run build
+        npm test
+  test_deno:
+    runs-on: ubuntu-latest
+    name: test with Deno
+    steps: 
+    - uses: actions/checkout@v3.0.2
+    - uses: actions/setup-node@v3.4.1
+    - uses: actions/cache@v1
+      with:
+        path: ~/.cache/deno
+        key: deno-${{ runner.os }}-${{ hashFiles('deno-lock.json') }}
+        restore-keys: |
+           deno-${{ runner.os }}-${{ hashFiles('deno-lock.json') }}
+           deno-${{ runner.os }}-
+           deno-
+    - uses: denolib/setup-deno@v2.3.0
+      with:
+        deno-version: v1.x
+    - run: deno --version
+    # We don't actually execute any runtime check but at least we make sure that, typewise, everything's fine.
+    - uses: bahmutov/npm-install@v1.8.22
+    - run: npx denoify
+    - run: deno run --reload --unstable --no-check deno_dist/mod.ts
+
+  check_if_version_upgraded:
+    name: Check if version upgrade
+    # We run this only if it's a push on the default branch or if it's a PR from a 
+    # branch (meaning not a PR from a fork). It would be more straightforward to test if secrets.NPM_TOKEN is 
+    # defined but GitHub Action don't allow it yet.
+    if: |
+      github.event_name == 'push' || 
+      github.event.pull_request.head.repo.owner.login == github.event.pull_request.base.repo.owner.login 
+    runs-on: ubuntu-latest
+    needs: 
+      - test_node
+      - test_deno
+    outputs:
+      from_version: ${{ steps.step1.outputs.from_version }}
+      to_version: ${{ steps.step1.outputs.to_version }}
+      is_upgraded_version: ${{ steps.step1.outputs.is_upgraded_version }}
+      is_release_beta: ${{steps.step1.outputs.is_release_beta }}
+    steps:
+    - uses: garronej/ts-ci@v1.1.8
+      id: step1
+      with: 
+        action_name: is_package_json_version_upgraded
+        branch: ${{ github.head_ref || github.ref }}
+
+  publish:
+    runs-on: ubuntu-latest
+    needs: 
+      - check_if_version_upgraded
+    # We create a release only if the version have been upgraded and we are on a default branch
+    # PR on the default branch can release beta but not real release
+    if: |
+      needs.check_if_version_upgraded.outputs.is_upgraded_version == 'true' &&
+      (
+        github.event_name == 'push' ||
+        needs.check_if_version_upgraded.outputs.is_release_beta == 'true'
+      )
+    steps:
+    - uses: actions/checkout@v3.0.2
+      with:
+        fetch-depth: 0
+        ref: ${{ github.ref }}
+    - run: rm -r .github
+    - run: |
+        git branch -d latest || true
+        git push origin :latest || true
+    - run: |
+        git branch latest
+        git checkout latest
+    - uses: actions/setup-node@v3.4.1
+      with:
+        node-version: '15'
+        registry-url: https://registry.npmjs.org/
+    - uses: bahmutov/npm-install@v1.8.22
+    - run: npm run build
+    - run: npx -y -p denoify@1.1.4 enable_short_npm_import_path
+      env:
+        DRY_RUN: "0"
+    - run: |
+        if [ "$(npm show . version)" = "$VERSION" ]; then
+          echo "This version is already published"
+          exit 0
+        fi
+        if [ "$NODE_AUTH_TOKEN" = "" ]; then
+          echo "Can't publish on NPM, You must first create a secret called NPM_TOKEN that contains your NPM auth token. "
+          false
+        fi
+        npm publish
+      env:
+        NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+        VERSION: ${{ needs.check_if_version_upgraded.outputs.to_version }}
+    - run: |
+        git config --global user.name "actions"
+        git config --global user.email actions@example.com
+        git add -A
+        git commit -am "Enabling shorter import paths"
+        git push origin latest
+    - uses: softprops/action-gh-release@v1
+      with:
+        name: Release v${{ needs.check_if_version_upgraded.outputs.to_version }}
+        tag_name: v${{ needs.check_if_version_upgraded.outputs.to_version }}
+        target_commitish: latest
+        generate_release_notes: true
+        draft: false
+        prerelease: ${{ needs.check_if_version_upgraded.outputs.is_release_beta == 'true' }}
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} 
+
diff --git a/README.md b/README.md
index 48613786..c8b45551 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,9 @@ with smart type inference.
 </p>
 
 <p align="center">
+  <a href="https://github.com/gvergnaud/ts-pattern/actions">
+    <img src="https://github.com/gvergnaud/ts-pattern/workflows/ci/badge.svg?branch=main" alt="CI Workflow" height="18">
+  </a>
   <a href="https://www.npmjs.com/package/ts-pattern">
     <img src="https://img.shields.io/npm/dm/ts-pattern.svg" alt="downloads" height="18">
   </a>