diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 0000000..68aff2d
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,210 @@
+version: 2.1
+
+jobs:
+  checkout-and-version:
+    docker:
+      - image: codacy/git-version
+    working_directory: ~/workdir
+    steps:
+      - checkout
+      - run:
+          name: Get next version
+          command: |
+            # Hack: Set a unique fake name for the release branch to avoid releasing master as the new 3.x major release for now
+            export NEXT_VERSION="$(/bin/git-version --folder=$PWD --release-branch=FAKE-RELEASE-BRANCH-NAME)"
+            echo "Next version is ${NEXT_VERSION}"
+            echo "${NEXT_VERSION}" > .version
+      - run:
+          name: Get next npm tag name
+          command: |
+            if [ "${GITHUB_REF#refs/heads/}" = "master" ]; then
+              export PUBLISH_TAG="latest"
+            elif [ "${GITHUB_REF#refs/heads/}" = "next" ]; then
+              export PUBLISH_TAG="next"
+            else
+              export PUBLISH_TAG="pr"
+            fi
+            echo "Next tag is ${PUBLISH_TAG}"
+            echo "${PUBLISH_TAG}" > .tag
+      - persist_to_workspace:
+          root: ~/workdir
+          paths:
+            - '*'
+
+  build-common: &common-build
+    docker:
+      - image: node
+    working_directory: ~/workdir
+    steps:
+      - attach_workspace:
+          at: ~/workdir
+      - restore_cache:
+          key: yarn-cache-{{ checksum "yarn.lock" }}
+      - run:
+          name: Log environment setup
+          command: |
+            node -v
+            yarn -v
+      - run:
+          name: Install dependencies
+          command: yarn
+      - save_cache:
+          key: yarn-cache-{{ checksum "yarn.lock" }}
+          paths:
+            - /usr/local/share/.cache/yarn
+      - run: yarn run validate
+      - store_artifacts:
+          path: coverage
+      - store_test_results:
+          path: coverage
+
+  build-latest: &latest-build
+    docker:
+      - image: node
+    working_directory: ~/workdir
+    steps:
+      - attach_workspace:
+          at: ~/workdir
+      - restore_cache:
+          key: yarn-cache-{{ checksum "yarn.lock" }}
+      - run:
+          name: Log environment setup
+          command: |
+            node -v
+            yarn -v
+      - run:
+          name: Install dependencies
+          command: yarn
+      - save_cache:
+          key: yarn-cache-{{ checksum "yarn.lock" }}
+          paths:
+            - /usr/local/share/.cache/yarn
+      - run: yarn run validate
+      - store_artifacts:
+          path: coverage
+      - store_test_results:
+          path: coverage
+      - run: yarn run coverage:push
+      - persist_to_workspace:
+          root: ~/workdir
+          paths:
+            - '*'
+
+  build-node-10:
+    <<: *common-build
+    docker:
+      - image: node:10
+
+  build-node-11:
+    <<: *common-build
+    docker:
+      - image: node:11
+
+  build-node-12:
+    <<: *common-build
+    docker:
+      - image: node:12
+
+  build-node-13:
+    <<: *latest-build
+    docker:
+      - image: node:13
+
+  publish_library:
+    docker:
+      - image: node:13
+    working_directory: ~/workdir
+    steps:
+      - attach_workspace:
+          at: ~/workdir
+      - run:
+          name: Configure Yarn version
+          command: |
+            yarn config set version-tag-prefix ""
+            yarn config set version-git-message "Release version %s"
+      - run:
+          name: Configure Git
+          command: |
+            git config user.email "circleci@users.noreply.github.com"
+            git config user.name "CircleCI"
+      - run:
+          name: Version package
+          command: |
+            # Update version in packages to publish
+            yarn version --non-interactive --new-version $(cat .version)
+      - run:
+          name: Setup npm credentials
+          command: |
+            rm -f .npmrc
+            touch .npmrc
+            echo "//registry.npmjs.org/:_authToken=${NODE_AUTH_TOKEN}" >> .npmrc
+            echo "registry=https://registry.npmjs.org/" >> .npmrc
+            echo "access=public" >> .npmrc
+            echo "save-exact=true" >> .npmrc
+      - run:
+          name: Publish npm package
+          command: |
+            # Publish package versions to npmjs.org
+            yarn publish --tag $(cat .tag) --non-interactive --new-version $(cat .version)
+      - run:
+          name: Setup gpr credentials
+          command: |
+            rm -f .npmrc
+            touch .npmrc
+            echo "//npm.pkg.github.com/:_authToken=${GPR_AUTH_TOKEN}" >> .npmrc
+            echo "@rtfpessoa:registry=https://npm.pkg.github.com/" >> .npmrc
+            echo "access=public" >> .npmrc
+            echo "save-exact=true" >> .npmrc
+      - run:
+          name: Publish gpr package
+          command: |
+            # HACK: Override npm package name to be able to publish in GitHub
+            sed -i 's/^  "name":.*/  "name": "@rtfpessoa\/diff2html",/g' package.json
+            echo "Going to publish version $(cat .version) to GitHub"
+            yarn publish --tag $(cat .tag) --non-interactive --new-version $(cat .version)
+            # HACK: Restore npm package name
+            sed -i 's/^  "name":.*/  "name": "diff2html",/g' package.json
+
+  publish_website:
+    machine:
+      enabled: true
+    working_directory: ~/workdir
+    steps:
+      - attach_workspace:
+          at: ~/workdir
+      - run:
+          name: Deploy
+          working_directory: ~/workdir/docs
+          command: |
+            aws s3 sync --region eu-west-1 --delete . s3://diff2html.xyz --metadata-directive REPLACE --cache-control max-age=31557600
+            aws cloudfront create-invalidation --region eu-west-1 --distribution-id $AWS_CF_DISTRIBUTION_ID --paths /index.html /demo.html /sitemap.xml /robots.txt
+
+workflows:
+  validate-and-publish:
+    jobs:
+      - checkout-and-version
+      - build-node-10:
+          requires:
+            - checkout-and-version
+      - build-node-11:
+          requires:
+            - checkout-and-version
+      - build-node-12:
+          requires:
+            - checkout-and-version
+      - build-node-13:
+          requires:
+            - checkout-and-version
+      - publish_approval:
+          type: approval
+          requires:
+            - build-node-10
+            - build-node-11
+            - build-node-12
+            - build-node-13
+      - publish_library:
+          requires:
+            - publish_approval
+      - publish_website:
+          requires:
+            - publish_approval
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
deleted file mode 100644
index ecc58fe..0000000
--- a/.github/workflows/ci.yml
+++ /dev/null
@@ -1,47 +0,0 @@
-name: CI
-
-on: [push]
-
-jobs:
-  build:
-    if: contains(github.event.head_commit.message, '[skip ci]') == false
-    runs-on: ubuntu-18.04
-    env:
-      CI: true
-    strategy:
-      matrix:
-        node-version: [10.x, 11.x, 12.x, 13.x]
-    steps:
-      - uses: actions/checkout@v1
-      - name: Setup Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
-        with:
-          node-version: ${{ matrix.node-version }}
-      - name: Log environment setup
-        run: |
-          node -v
-          yarn -v
-      - name: Get yarn cache
-        id: yarn-cache
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-      - uses: actions/cache@v1
-        with:
-          path: ${{ steps.yarn-cache.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
-      - name: Install dependencies
-        run: yarn install
-      - name: Validate
-        run: yarn run validate
-      - name: Push coverage to Codacy
-        if: matrix.node-version == '13.x'
-        env:
-          CODACY_PROJECT_TOKEN: ${{ secrets.CODACY_PROJECT_TOKEN }}
-        run: yarn run coverage:push
-      - name: Save coverage report
-        if: matrix.node-version == '13.x'
-        uses: actions/upload-artifact@v1
-        with:
-          name: coverage
-          path: coverage
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
deleted file mode 100644
index cf602ae..0000000
--- a/.github/workflows/release.yml
+++ /dev/null
@@ -1,122 +0,0 @@
-name: Release
-
-on:
-  pull_request:
-    types: [closed]
-    branches:
-      - master
-
-jobs:
-  version:
-    if:
-      github.event.pull_request.merged && contains(github.event.head_commit.message, '[skip ci]') == false &&
-      contains(github.event.head_commit.message, '[skip release]') == false
-    runs-on: ubuntu-18.04
-    container:
-      image: codacy/git-version
-    steps:
-      - uses: actions/checkout@v1
-      - name: Configure Git
-        run: |
-          git checkout -f "${GITHUB_REF#refs/heads/}"
-          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
-          git config user.name "$GITHUB_ACTOR"
-      - name: Get next version
-        run: |
-          # Hack: Set a unique fake name for the release branch to avoid releasing master as the new 3.x major release for now
-          export NEXT_VERSION="$(/bin/git-version --folder=$PWD --release-branch=FAKE-RELEASE-BRANCH-NAME)"
-          echo "Next version is ${NEXT_VERSION}"
-          echo "${NEXT_VERSION}" > version.txt
-      - name: Save version artifact
-        uses: actions/upload-artifact@v1
-        with:
-          name: version
-          path: version.txt
-      - name: Get next npm tag name
-        run: |
-          if [ "${GITHUB_REF#refs/heads/}" = "master" ]; then
-            export PUBLISH_TAG="latest"
-          elif [ "${GITHUB_REF#refs/heads/}" = "next" ]; then
-            export PUBLISH_TAG="next"
-          else
-            export PUBLISH_TAG="pr"
-          fi
-          echo "Next tag is ${PUBLISH_TAG}"
-          echo "${PUBLISH_TAG}" > tag.txt
-      - name: Save npm tag name artifact
-        uses: actions/upload-artifact@v1
-        with:
-          name: tag
-          path: tag.txt
-
-  publish:
-    needs: [version]
-    runs-on: ubuntu-18.04
-    env:
-      CI: true
-    steps:
-      - uses: actions/checkout@v1
-      - name: Download version artifact
-        uses: actions/download-artifact@v1
-        with:
-          name: version
-      - name: Download npm tag name artifact
-        uses: actions/download-artifact@v1
-        with:
-          name: tag
-      - uses: actions/setup-node@v1
-        with:
-          node-version: 13.x
-      - run: node -v
-      - run: yarn -v
-      - name: Get yarn cache
-        id: yarn-cache
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-      - uses: actions/cache@v1
-        with:
-          path: ${{ steps.yarn-cache.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
-      - name: Configure Yarn version
-        run: |
-          yarn config set version-tag-prefix ""
-          yarn config set version-git-message "Release version %s"
-      - name: Configure Git
-        run: |
-          git switch -c ${GITHUB_REF#refs/heads/}
-          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
-          git config user.name "$GITHUB_ACTOR"
-      - name: Install dependencies
-        run: yarn
-      - name: Prepare version
-        env:
-          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
-        run: |
-          yarn version --non-interactive --new-version $(cat version/version.txt)
-          git push --tags "https://$GITHUB_ACTOR:$GITHUB_TOKEN@github.com/$GITHUB_REPOSITORY"
-      - uses: actions/setup-node@v1
-        with:
-          node-version: 13
-          registry-url: https://registry.npmjs.org/
-      - name: Publish to NPM
-        env:
-          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
-        run: |
-          echo "Going to publish version $(cat version/version.txt) to NPM"
-          yarn publish --tag $(cat tag/tag.txt) --non-interactive --new-version $(cat version/version.txt)
-      - uses: actions/setup-node@v1
-        with:
-          node-version: 13
-          registry-url: https://npm.pkg.github.com
-          scope: '@rtfpessoa'
-      - name: Publish to GitHub
-        env:
-          NODE_AUTH_TOKEN: ${{secrets.GITHUB_TOKEN}}
-        run: |
-          # HACK: Override npm package name to be able to publish in GitHub
-          (TMP_FILE=$(mktemp) && jq '.name = "@rtfpessoa/diff2html"' package.json > "${TMP_FILE}" && mv "${TMP_FILE}" package.json)
-          echo "Going to publish version $(cat version/version.txt) to GitHub"
-          yarn publish --tag $(cat tag/tag.txt) --non-interactive --new-version $(cat version/version.txt)
-          # HACK: Restore npm package name
-          (TMP_FILE=$(mktemp) && jq '.name = "diff2html"' package.json > "${TMP_FILE}" && mv "${TMP_FILE}" package.json)
diff --git a/.github/workflows/website.yml b/.github/workflows/website.yml
deleted file mode 100644
index 79e101f..0000000
--- a/.github/workflows/website.yml
+++ /dev/null
@@ -1,66 +0,0 @@
-name: Website
-
-on:
-  pull_request:
-    types: [closed]
-    branches:
-      - master
-
-jobs:
-  build:
-    if:
-      github.event.pull_request.merged && contains(github.event.head_commit.message, '[skip ci]') == false &&
-      contains(github.event.head_commit.message, '[skip release]') == false
-    runs-on: ubuntu-18.04
-    env:
-      CI: true
-    strategy:
-      matrix:
-        node-version: [13.x]
-    steps:
-      - uses: actions/checkout@v1
-      - name: Setup Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
-        with:
-          node-version: ${{ matrix.node-version }}
-      - run: node -v
-      - run: yarn -v
-      - name: Get yarn cache
-        id: yarn-cache
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-      - uses: actions/cache@v1
-        with:
-          path: ${{ steps.yarn-cache.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
-      - name: Install dependencies
-        run: yarn
-      - name: Build website
-        run: |
-          yarn run build:templates
-          yarn run build:website
-      - name: Save website artifact
-        if: matrix.node-version == '13.x'
-        uses: actions/upload-artifact@v1
-        with:
-          name: website
-          path: docs
-
-  deploy:
-    needs: build
-    runs-on: ubuntu-18.04
-    steps:
-      - name: Download website artifact
-        uses: actions/download-artifact@v1
-        with:
-          name: website
-      - name: Deploy website
-        env:
-          AWS_DEFAULT_REGION: ${{ secrets.AWS_DEFAULT_REGION }}
-          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-        run: |
-          cd website
-          aws s3 sync --region eu-west-1 --delete . s3://diff2html.xyz --metadata-directive REPLACE --cache-control max-age=31557600
-          aws cloudfront create-invalidation --region eu-west-1 --distribution-id ${{ secrets.AWS_CF_DISTRIBUTION_ID }} --paths /index.html /demo.html /sitemap.xml /robots.txt
diff --git a/README.md b/README.md
index 21ab8bd..babd572 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![Codacy Quality Badge](https://api.codacy.com/project/badge/Grade/06412dc3f5a14f568778d0db8a1f7dc8)](https://www.codacy.com/app/rtfpessoa/diff2html?utm_source=github.com&utm_medium=referral&utm_content=rtfpessoa/diff2html&utm_campaign=Badge_Grade)
 [![Codacy Coverage Badge](https://api.codacy.com/project/badge/Coverage/06412dc3f5a14f568778d0db8a1f7dc8)](https://www.codacy.com/app/rtfpessoa/diff2html?utm_source=github.com&utm_medium=referral&utm_content=rtfpessoa/diff2html&utm_campaign=Badge_Coverage)
-[![GitHub CI](https://github.com/rtfpessoa/diff2html/workflows/CI/badge.svg?branch=master)](https://github.com/rtfpessoa/diff2html/actions?query=branch%3Amaster)
+[![CircleCI](https://circleci.com/gh/rtfpessoa/diff2html.svg?style=svg)](https://circleci.com/gh/rtfpessoa/diff2html)
 
 [![npm](https://img.shields.io/npm/v/diff2html.svg)](https://www.npmjs.com/package/diff2html)
 [![Dependency Status](https://david-dm.org/rtfpessoa/diff2html.svg)](https://david-dm.org/rtfpessoa/diff2html)
diff --git a/jest.config.js b/jest.config.js
index 665cbac..93c556a 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -3,7 +3,7 @@ module.exports = {
   preset: 'ts-jest',
   testEnvironment: 'node',
   coverageDirectory: './coverage',
-  coverageReporters: ['lcov', 'text', 'html'],
+  coverageReporters: ['lcov', 'text', 'html', 'json', 'cobertura', 'clover'],
   collectCoverageFrom: [
     'src/**/*.ts',
     '!src/ui/**',