Migrate from Travis CI to GitHub Actions (#603)

.github/workflows/ci.yml

@@ -0,0 +1,41 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: "0 3 * * 1" # Every monday at 3 AM
+
+jobs:
+  test:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        crystal: [latest, nightly]
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Install Crystal
+        uses: oprypin/install-crystal@v1
+        with:
+          crystal: ${{ matrix.crystal }}
+
+      - name: Download source
+        uses: actions/checkout@v2
+
+      - name: Install dependencies
+        run: shards install
+        env:
+          SHARDS_OPTS: --ignore-crystal-version
+
+      - name: Run specs
+        run: |
+          crystal spec
+          crystal spec --release --no-debug
+
+      - name: Check formatting
+        run: crystal tool format --check
+
+      - name: Run ameba linter
+        run: bin/ameba

.travis.yml

@@ -1,14 +0,0 @@
-language: crystal
-crystal:
-  - latest
-  - nightly
-
-script:
-  - crystal spec
-  - crystal spec --release --no-debug
-  - crystal tool format --check
-  - bin/ameba src
-
-matrix:
-  allow_failures:
-    - crystal: nightly

README.md

@@ -5,7 +5,7 @@
 
 Lightning Fast, Super Simple web framework.
 
-[![Build Status](https://travis-ci.org/kemalcr/kemal.svg?branch=master)](https://travis-ci.org/kemalcr/kemal)
+[![CI](https://github.com/kemalcr/kemal/actions/workflows/ci.yml/badge.svg)](https://github.com/kemalcr/kemal/actions/workflows/ci.yml)
 [![Join the chat at https://gitter.im/sdogruyol/kemal](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/sdogruyol/kemal?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 # Super Simple ⚡️