Upgrade virtualization and tools

.env.example

@@ -1,2 +1,8 @@
 BASE_PATH=./
+BUILD_ROOT_PATH=/app/
 PROJECT_NAME=wp-oop_transient-cache
+
+PHP_BUILD_VERSION=7.4
+PHP_TEST_VERSION=8.2
+
+HOST_IP_ADDRESS=host-gateway

.gitattributes

@@ -3,8 +3,9 @@ tests export-ignore
 docker export-ignore
 docker-compose.yml export-ignore
 .env.example export-ignore
-.travis.yml export-ignore
 .gitattributes export-ignore
 .gitignore export-ignore
 composer.lock export-ignore
-phpunit.xml export-ignore
+phpunit.xml.dist export-ignore
+psalm.xml.dist export-ignore
+phpcs.xml.dist export-ignore

.github/workflows/continuous-integration.yml

@@ -0,0 +1,44 @@
+name: Continuous Integration
+on: [push]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php-versions:
+          - '7.1'
+          - '7.2'
+          - '7.3'
+          - '7.4'
+          - '8.0'
+          - '8.1'
+          - '8.2'
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ matrix.php-versions }}
+
+    - name: Analysing source code
+      run: find ./src/ ./inc/ ./tests/ -type f -name '*.php' -print0 | xargs -0 -L 1 -P 4 -- php -l
+
+    - name: Validate composer.json and composer.lock
+      run: composer validate
+
+    - name: Install dependencies
+      uses: ramsey/composer-install@v1
+      with:
+        dependency-versions: highest
+        composer-options: "--prefer-dist"
+
+    - name: PHPUnit
+      run: ./vendor/bin/phpunit
+
+    - name: Psalm
+      run: ./vendor/bin/psalm --show-info=false --threads=8 --diff
+
+    - name: PHPCS
+      run: ./vendor/bin/phpcs -s --report-source --runtime-set ignore_warnings_on_exit 1

.gitignore

@@ -1,14 +1,11 @@
 /vendor/
-/nbproject/private/
-/tests/coverage/
-/tests/log/
 /build/
-/.idea/dictionaries/
 /.idea/workspace.xml
-/.idea/tasks.xml
-/.idea/deployment.xml
-/.idea/vagrant.xml
-/.idea/misc.xml
+/.idea/codeStyles/
 /.idea/inspectionProfiles/
-/.idea/codeStyles
-/.env
+/.idea/misc.xml
+/.idea/phpspec.xml
+/.idea/codeception.xml
+/.env
+
+/.phpunit.result.cache