chore(ci): use GitHub Actions (#120)

Author: benjie

.github/workflows/ci.yml

@@ -0,0 +1,48 @@
+name: CI
+
+on: [push, pull_request]
+
+env:
+  CI: true
+  PGUSER: postgres
+  PGPASSWORD: postgres
+  PGHOST: "127.0.0.1"
+  PGPORT: 5432
+  TEST_ROOT_DATABASE_URL: postgres://postgres:postgres@localhost:5432/postgres
+  TEST_DATABASE_URL: postgres://someone:something@localhost:5432/graphile_migrate_test
+  PGVERSION: 10
+
+jobs:
+  test:
+    runs-on: ubuntu-18.04
+
+    strategy:
+      matrix:
+        node-version: [10.x, 12.x, 14.x]
+        postgres-version: [10, 11, 12]
+
+    services:
+      postgres:
+        image: postgres:${{ matrix.postgres-version }}
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: postgres
+        ports:
+          - "0.0.0.0:5432:5432"
+        # needed because the postgres container does not provide a healthcheck
+        options:
+          --health-cmd pg_isready --health-interval 10s --health-timeout 5s
+          --health-retries 5
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: yarn --frozen-lockfile
+      - run: psql "${TEST_ROOT_DATABASE_URL}" -c "CREATE USER someone WITH LOGIN PASSWORD 'something';"
+      - run: yarn clean
+      - run: yarn prepack
+      - run: yarn jest -i --ci