Move CI from Travis to GitHub Actions (#866)

Author: wpolicarpo

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    name: Run test suite
+    runs-on: ubuntu-latest
+
+    env:
+      COMPOSE_FILE: docker-compose.ci.yml
+
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby: [2.5.8, 2.6.6, 2.7.2, 3.0.0]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build docker images
+        run: docker-compose build --build-arg TARGET_VERSION=${{ matrix.ruby }}
+
+      - name: Run tests
+        run: docker-compose run ci

.travis.yml

@@ -1,6 +1,6 @@
 # ActiveRecord SQL Server Adapter. For SQL Server 2012 And Higher.
 
-* [![TravisCI](https://travis-ci.org/rails-sqlserver/activerecord-sqlserver-adapter.svg?branch=master)](https://travis-ci.org/rails-sqlserver/activerecord-sqlserver-adapter) - TravisCI
+* ![CI](https://github.com/rails-sqlserver/activerecord-sqlserver-adapter/actions/workflows/ci.yml/badge.svg) - CI
 * [![Build Status](https://ci.appveyor.com/api/projects/status/mtgbx8f57vr7k2qa/branch/master?svg=true)](https://ci.appveyor.com/project/rails-sqlserver/activerecord-sqlserver-adapter/branch/master) - Appveyor
 * [![Gem Version](http://img.shields.io/gem/v/activerecord-sqlserver-adapter.svg)](https://rubygems.org/gems/activerecord-sqlserver-adapter) - Gem Version
 * [![Gitter chat](https://img.shields.io/badge/%E2%8A%AA%20GITTER%20-JOIN%20CHAT%20%E2%86%92-brightgreen.svg?style=flat)](https://gitter.im/rails-sqlserver/activerecord-sqlserver-adapter) - Community