ci(actions): add build/test/release action to replace Codefresh

Author: jrolfs

.github/workflows/build.yml

@@ -0,0 +1,51 @@
+name: Build
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+      - next
+      - alpha
+      - beta
+
+jobs:
+  build:
+    name: Build + Test (+ Release)
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Get Yarn cache path
+        id: yarn-cache
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - name: Checkout
+        uses: actions/checkout@master
+
+      - name: Setup node
+        uses: actions/setup-node@master
+        with:
+          node-version: 12.x
+
+      - name: Load Yarn cache
+        uses: actions/cache@v2
+        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 --frozen-lockfile
+
+      - name: Run lint + tests
+        run: yarn validate
+
+      - name: Upload Coverage / Release
+        run: |
+          yarn build
+          yarn ci-after-success
+        env:
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          SKIP_CODECOV: true