Use actions-setup-mysql for MySQL

.github/workflows/ci.yml

@@ -7,6 +7,7 @@ name: Continuous Integration
 jobs:
   test:
     name: Build & Test
+    if: "!contains(github.event.head_commit.message, '[skip ci]')"
     runs-on: ${{matrix.os.fullName}}
     strategy:
       fail-fast: false
@@ -21,6 +22,11 @@ jobs:
       DB_USER: lighthouse
       DB_PASSWORD: lighthouse
     steps:
+      - name: Cancel previous runs of this workflow
+        uses: styfle/cancel-workflow-action@0.6.0
+        with:
+          access_token: ${{ github.token }}
+        
       - name: Checkout
         uses: actions/checkout@v2
 
@@ -40,14 +46,17 @@ jobs:
         run: dotnet build -c Debug
         
       - name: Start MySQL
-        if: ${{ matrix.os.database }}
-        run: |
-          sudo service mysql start
-          mysql -e 'CREATE DATABASE ${{ env.DB_DATABASE }};' -u${{ env.DB_USER }} -p${{ env.DB_PASSWORD }}
+        uses: shogo82148/actions-setup-mysql@v1
+        with:
+          user: ${{ env.DB_USER }}
+          password: ${{ env.DB_PASSWORD }}
+          mysql-version: '8.0'
 
       - name: Run database migrations
         if: ${{ matrix.os.database }}
-        run: mysql --batch -u${{ env.DB_USER }} -p${{ env.DB_PASSWORD }} ${{ env.DB_DATABASE }} < <(cat DatabaseMigrations/*.sql)
+        run: |
+          mysql -e 'CREATE DATABASE ${{ env.DB_DATABASE }};' -u${{ env.DB_USER }} -p${{ env.DB_PASSWORD }}
+          mysql --batch -u${{ env.DB_USER }} -p${{ env.DB_PASSWORD }} ${{ env.DB_DATABASE }} < <(cat DatabaseMigrations/*.sql)
         
       - name: Test
         continue-on-error: true