diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
new file mode 100644
index 0000000000..408c2594e7
--- /dev/null
+++ b/.github/workflows/master.yml
@@ -0,0 +1,55 @@
+name: Master Build
+
+on:
+  push:
+    branches: [master]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [12.x]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: find location of 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: cache node_modules
+        uses: actions/cache@v1
+        with:
+          path: node_modules
+          key: ${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+      - name: use node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+          registry-url: https://registry.npmjs.org/ # Needed for auth
+      - name: yarn install, build, and test
+        run: |
+          yarn install
+          yarn lint
+          yarn build
+          yarn test
+        env:
+          CI: true
+      # Publishes current version of packages that are not already present in the registry
+      - name: publish
+        run: npx --no-install lerna publish from-package --yes
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+          CI: true
+      # Tags the commit with the version in the core package if the tag doesn't exist
+      - uses: Klemensas/action-autotag@1.2.3
+        with:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+          package_root: "packages/core"
+          tag_prefix: "v"