Ported Buildkite checks to Github actions

.github/workflows/changelog_check.yml

@@ -0,0 +1,13 @@
+Name: Changelog
+on: [pull_request]
+
+jobs:
+  check-newsfile:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: "3.7"
+      - run: python -m pip install towncrier
+      - run: python -m towncrier.check

.github/workflows/pipeline.yml

@@ -0,0 +1,64 @@
+name: Linting and Tests
+on: [push]
+jobs: 
+  check-code-style:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: "3.7"
+      - run: python -m pip install tox
+      - run: tox -e check_codestyle
+
+  check-types-mypy:
+    runs-on: ubuntu-latest
+    steps: 
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: "3.7"
+      - run: python -m pip install tox  
+      - run: tox -e check_types
+
+  run-unit-tests-sqlite:
+    needs: [check-code-style, check-types-mypy]
+    runs-on: ubuntu-latest
+    steps: 
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: "3.7"
+      - run: python -m pip install -e .
+      - run: trial tests
+
+  run-unit-tests-postgres:
+    needs: [check-code-style, check-types-mypy]
+    runs-on: ubuntu-latest
+
+    services:
+      postgres:
+        image: postgres:11
+        ports:
+          - 5432:5432
+        env:
+          POSTGRES_PASSWORD: "postgres"
+          POSTGRES_INITDB_ARGS: "--lc-collate C --lc-ctype C --encoding UTF8"
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5  
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: "3.7"
+      - run: python -m pip install -e .
+      - run: trial tests
+        env:
+          TEST_USE_POSTGRES: "yes"
+          TEST_POSTGRES_USER: "postgres"
+          TEST_POSTGRES_PASSWORD: "postgres"
+          TEST_POSTGRES_HOST: "localhost"

changelog.d/210.misc

@@ -0,0 +1 @@
+Port CI checks to Github Actions.