diff --git a/.github/workflows/build_docker_images.yml b/.github/workflows/build_docker_images.yml
index 9a930e0..6b08460 100644
--- a/.github/workflows/build_docker_images.yml
+++ b/.github/workflows/build_docker_images.yml
@@ -15,6 +15,8 @@ jobs:
           - {type: "php", tag: "php-only"}
           - {type: "swoole", tag: "swoole-enabled"}
 
+    name: build image deminy/counit:${{ matrix.docker.tag }}
+
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 58263ad..4239da0 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -16,39 +16,38 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Setup Services
+      - name: Start Docker Containers
+        uses: isbang/compose-action@v1.5.1
+
+      - name: Install Dependencies
         run: |
-          docker-compose up -d
-          docker exec -t $(docker ps -qf "name=swoole") sh -c "composer require phpunit/phpunit ${{ matrix.phpunit }} -nq --no-progress"
+          set -ex
+
           sleep 15 # Seems that we need to give the MySQL container enough time to warm up.
-          docker ps
+
+          docker compose exec -T swoole composer require "phpunit/phpunit=${{ matrix.phpunit }}" -W -nq --no-progress
+          docker compose exec -T swoole ./vendor/bin/phpunit --version # Check current version of PHPUnit.
 
       - name: Run Unit Tests
         run: |
           set -ex
 
-          # Check current version of PHPUnit.
-          docker exec -t $(docker ps -qf "name=swoole") sh -c "./vendor/bin/phpunit --version"
-
           # Run tests using PHPUnit (Swoole is disabled).
-          docker exec -t $(docker ps -qf "name=php")    sh -c "./vendor/bin/phpunit --testsuite global"
-          docker exec -t $(docker ps -qf "name=php")    sh -c "./vendor/bin/phpunit --testsuite case-by-case"
+          docker compose exec -T php ./vendor/bin/phpunit --testsuite global
+          docker compose exec -T php ./vendor/bin/phpunit --testsuite case-by-case
 
           # Run tests using PHPUnit, with Swoole enabled.
-          docker exec -t $(docker ps -qf "name=swoole") sh -c "./vendor/bin/phpunit --testsuite global"
-          docker exec -t $(docker ps -qf "name=swoole") sh -c "./vendor/bin/phpunit --testsuite case-by-case"
+          docker compose exec -T swoole ./vendor/bin/phpunit --testsuite global
+          docker compose exec -T swoole ./vendor/bin/phpunit --testsuite case-by-case
 
           # Run tests using counit (Swoole is disabled).
-          docker exec -t $(docker ps -qf "name=php")    sh -c "./counit --testsuite global"
-          docker exec -t $(docker ps -qf "name=php")    sh -c "./counit --testsuite case-by-case"
+          docker compose exec -T php ./counit --testsuite global
+          docker compose exec -T php ./counit --testsuite case-by-case
 
           # Run tests using counit, with Swoole enabled.
-          docker exec -t $(docker ps -qf "name=swoole") sh -c "./counit --testsuite global"
-          docker exec -t $(docker ps -qf "name=swoole") sh -c "./counit --testsuite case-by-case"
+          docker compose exec -T swoole ./counit --testsuite global
+          docker compose exec -T swoole ./counit --testsuite case-by-case
 
           # Test compatibility with PHPUnit.
-          docker exec -t $(docker ps -qf "name=php")    sh -c "./counit --testsuite compatibility"
-          docker exec -t $(docker ps -qf "name=swoole") sh -c "./counit --testsuite compatibility"
-
-      - name: Stop and Remove Docker Containers
-        run: docker-compose down
+          docker compose exec -T php    ./counit --testsuite compatibility
+          docker compose exec -T swoole ./counit --testsuite compatibility
diff --git a/README.md b/README.md
index 5e9181d..ddc8599 100644
--- a/README.md
+++ b/README.md
@@ -117,7 +117,7 @@ To run the sample tests, please start the Docker containers and install Composer
 
 ```bash
 docker-compose up -d
-docker exec -ti $(docker ps -qf "name=swoole") sh -c "composer install -n"
+docker compose exec -ti swoole composer install -n
 ```
 
 There are five containers started: a PHP container, a Swoole container, a Redis container, a MySQL container, and a web
@@ -241,34 +241,34 @@ Here we will run the tests under different environments, with or without Swoole.
 
 ```bash
 # To run test suite "global":
-docker exec -ti $(docker ps -qf "name=php")    sh -c "./vendor/bin/phpunit --testsuite global"
+docker compose exec -ti php    ./vendor/bin/phpunit --testsuite global
 # or,
-docker exec -ti $(docker ps -qf "name=swoole") sh -c "./vendor/bin/phpunit --testsuite global"
+docker compose exec -ti swoole ./vendor/bin/phpunit --testsuite global
 
 # To run test suite "case-by-case":
-docker exec -ti $(docker ps -qf "name=php")    sh -c "./vendor/bin/phpunit --testsuite case-by-case"
+docker compose exec -ti php    ./vendor/bin/phpunit --testsuite case-by-case
 # or,
-docker exec -ti $(docker ps -qf "name=swoole") sh -c "./vendor/bin/phpunit --testsuite case-by-case"
+docker compose exec -ti swoole ./vendor/bin/phpunit --testsuite case-by-case
 ```
 
 `#2` Run the test suites using _counit_ (without Swoole):
 
 ```bash
 # To run test suite "global":
-docker exec -ti $(docker ps -qf "name=php")    sh -c "./counit --testsuite global"
+docker compose exec -ti php    ./counit --testsuite global
 
 # To run test suite "case-by-case":
-docker exec -ti $(docker ps -qf "name=php")    sh -c "./counit --testsuite case-by-case"
+docker compose exec -ti php    ./counit --testsuite case-by-case
 ```
 
 `#3` Run the test suites using _counit_  (with extension Swoole enabled):
 
 ```bash
 # To run test suite "global":
-docker exec -ti $(docker ps -qf "name=swoole") sh -c "./counit --testsuite global"
+docker compose exec -ti swoole ./counit --testsuite global
 
 # To run test suite "case-by-case":
-docker exec -ti $(docker ps -qf "name=swoole") sh -c "./counit --testsuite case-by-case"
+docker compose exec -ti swoole ./counit --testsuite case-by-case
 ```
 
 The first two sets of commands take about same amount of time to finish. The last set of commands uses _counit_ and runs