diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..4f3c63c
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,38 @@
+compose=docker compose
+
+dc:
+	@${compose} -f docker-compose.yml $(cmd)
+
+dcr:
+	@make dc cmd="run --rm php-cli $(cmd)"
+
+stop:
+	@make dc cmd="stop"
+
+up:
+	@make dc cmd="up -d"
+
+build-containers:
+	@make dc cmd="up -d --build"
+
+down:
+	@make dc cmd="down"
+
+composer:
+	@make dcr cmd="composer $(arg)"
+
+# Code quality tools.
+phpunit:
+	@make dcr cmd="vendor/bin/phpunit -d --enable-pretty-print -d --compact $(arg)"
+
+phpunit-with-coverage-report:
+	@make phpunit arg="--coverage-clover=clover.xml -d --min-coverage=min-coverage-rules.php"
+
+phpstan:
+	@make dcr cmd="vendor/bin/phpstan --memory-limit=1G $(arg)"
+
+csfix:
+	@make dcr cmd="vendor/bin/php-cs-fixer fix --config=.php-cs-fixer.dist.php"
+
+delete-snapshots:
+	find . -name __snapshots__ -type d -prune -exec rm -rf {} \;
\ No newline at end of file
diff --git a/src/Subscriber/Application/ApplicationFinishedSubscriber.php b/src/Subscriber/Application/ApplicationFinishedSubscriber.php
index 6353a3b..4e6726d 100644
--- a/src/Subscriber/Application/ApplicationFinishedSubscriber.php
+++ b/src/Subscriber/Application/ApplicationFinishedSubscriber.php
@@ -21,7 +21,7 @@
 final class ApplicationFinishedSubscriber extends FormatterHelper implements FinishedSubscriber
 {
     public function __construct(
-        private readonly string $relativePathToCloverXml,
+        private readonly string $pathToCloverXml,
         private readonly MinCoverageRules $minCoverageRules,
         private readonly bool $cleanUpCloverXml,
         private readonly Exitter $exitter,
@@ -35,10 +35,15 @@ public function notify(Finished $event): void
         $this->timer->start();
         /** @var string $reflectionFileName */
         $reflectionFileName = (new \ReflectionClass(ClassLoader::class))->getFileName();
-        $absolutePathToCloverXml = dirname($reflectionFileName, 3).'/'.$this->relativePathToCloverXml;
+
+        $absolutePathToCloverXml = $this->pathToCloverXml;
+        if (!str_starts_with($this->pathToCloverXml, '/')) {
+            // User is probably using relative path to clover.xml
+            $absolutePathToCloverXml = dirname($reflectionFileName, 3).'/'.$this->pathToCloverXml;
+        }
 
         if (!file_exists($absolutePathToCloverXml)) {
-            return;
+            throw new \RuntimeException('Clover XML file not found at: '.$absolutePathToCloverXml);
         }
 
         /** @var CoverageMetric[] $metrics */
@@ -146,7 +151,7 @@ public static function fromConfigurationAndParameters(
         }
 
         return new self(
-            relativePathToCloverXml: $configuration->coverageClover(),
+            pathToCloverXml: $configuration->coverageClover(),
             minCoverageRules: $rules,
             cleanUpCloverXml: $cleanUpCloverXml,
             exitter: new Exitter(),
diff --git a/tests/Subscriber/Application/ApplicationFinishedSubscriberTest.php b/tests/Subscriber/Application/ApplicationFinishedSubscriberTest.php
index d56fd18..db4195e 100644
--- a/tests/Subscriber/Application/ApplicationFinishedSubscriberTest.php
+++ b/tests/Subscriber/Application/ApplicationFinishedSubscriberTest.php
@@ -51,7 +51,7 @@ public function testNotifyWithAtLeastOneFailedRule(): void
             ->method('exit');
 
         $subscriber = new ApplicationFinishedSubscriber(
-            relativePathToCloverXml: 'tests/clover.xml',
+            pathToCloverXml: 'tests/clover.xml',
             minCoverageRules: MinCoverageRules::fromConfigFile('tests/Subscriber/Application/min-coverage-rules-with-failed-rule.php'),
             cleanUpCloverXml: false,
             exitter: $this->exitter,
@@ -85,7 +85,7 @@ public function testNotifyWithAWarning(): void
             ->method('exit');
 
         $subscriber = new ApplicationFinishedSubscriber(
-            relativePathToCloverXml: 'tests/clover.xml',
+            pathToCloverXml: 'tests/clover.xml',
             minCoverageRules: MinCoverageRules::fromConfigFile('tests/Subscriber/Application/min-coverage-rules-with-warning.php'),
             cleanUpCloverXml: false,
             exitter: $this->exitter,
@@ -119,7 +119,7 @@ public function testNotifyWhenCoverageIsOk(): void
             ->method('exit');
 
         $subscriber = new ApplicationFinishedSubscriber(
-            relativePathToCloverXml: 'tests/clover.xml',
+            pathToCloverXml: 'tests/clover.xml',
             minCoverageRules: MinCoverageRules::fromConfigFile('tests/Subscriber/Application/min-coverage-rules-success.php'),
             cleanUpCloverXml: false,
             exitter: $this->exitter,
@@ -153,7 +153,7 @@ public function testNotifyWithOnlyTotal(): void
             ->method('exit');
 
         $subscriber = new ApplicationFinishedSubscriber(
-            relativePathToCloverXml: 'tests/clover.xml',
+            pathToCloverXml: 'tests/clover.xml',
             minCoverageRules: MinCoverageRules::fromConfigFile('tests/Subscriber/Application/min-coverage-rules-total-only.php'),
             cleanUpCloverXml: false,
             exitter: $this->exitter,
@@ -187,7 +187,7 @@ public function testNotifyWithoutTotal(): void
             ->method('exit');
 
         $subscriber = new ApplicationFinishedSubscriber(
-            relativePathToCloverXml: 'tests/clover.xml',
+            pathToCloverXml: 'tests/clover.xml',
             minCoverageRules: MinCoverageRules::fromConfigFile('tests/Subscriber/Application/min-coverage-rules-without-total.php'),
             cleanUpCloverXml: false,
             exitter: $this->exitter,
@@ -221,7 +221,7 @@ public function testNotifyWithRulesThatDoNotExit(): void
             ->method('exit');
 
         $subscriber = new ApplicationFinishedSubscriber(
-            relativePathToCloverXml: 'tests/clover.xml',
+            pathToCloverXml: 'tests/clover.xml',
             minCoverageRules: MinCoverageRules::fromConfigFile('tests/Subscriber/Application/min-coverage-rules-no-exit.php'),
             cleanUpCloverXml: false,
             exitter: $this->exitter,
@@ -255,7 +255,7 @@ public function testDivideByZero(): void
             ->method('exit');
 
         $subscriber = new ApplicationFinishedSubscriber(
-            relativePathToCloverXml: 'tests/clover-test-divide-by-zero.xml',
+            pathToCloverXml: 'tests/clover-test-divide-by-zero.xml',
             minCoverageRules: MinCoverageRules::fromInt(100, true),
             cleanUpCloverXml: false,
             exitter: $this->exitter,
@@ -289,7 +289,7 @@ public function testNotifyWhenNoTrackedLines(): void
             ->method('exit');
 
         $subscriber = new ApplicationFinishedSubscriber(
-            relativePathToCloverXml: 'tests/clover-with-no-tracked-lines.xml',
+            pathToCloverXml: 'tests/clover-with-no-tracked-lines.xml',
             minCoverageRules: MinCoverageRules::fromConfigFile('tests/Subscriber/Application/min-coverage-rules-no-tracked-lines.php'),
             cleanUpCloverXml: false,
             exitter: $this->exitter,
@@ -323,7 +323,7 @@ public function testNotifyWithNonExistingCloverFile(): void
             ->method('exit');
 
         $subscriber = new ApplicationFinishedSubscriber(
-            relativePathToCloverXml: 'tests/clover-wrong.xml',
+            pathToCloverXml: 'tests/clover-wrong.xml',
             minCoverageRules: MinCoverageRules::fromConfigFile('tests/Subscriber/Application/min-coverage-rules-success.php'),
             cleanUpCloverXml: false,
             exitter: $this->exitter,
@@ -331,6 +331,7 @@ public function testNotifyWithNonExistingCloverFile(): void
             timer: $this->timer,
         );
 
+        $this->expectExceptionMessage('Clover XML file not found at:');
         $subscriber->notify(event: new Finished(
             new Info(
                 current: new Snapshot(
@@ -346,8 +347,6 @@ public function testNotifyWithNonExistingCloverFile(): void
             ),
             0
         ));
-
-        $this->assertEmpty((string) $this->output);
     }
 
     public function testNotifyWithInvalidCloverFile(): void
@@ -357,7 +356,7 @@ public function testNotifyWithInvalidCloverFile(): void
             ->method('exit');
 
         $subscriber = new ApplicationFinishedSubscriber(
-            relativePathToCloverXml: 'tests/clover-invalid.xml',
+            pathToCloverXml: 'tests/clover-invalid.xml',
             minCoverageRules: MinCoverageRules::fromConfigFile('tests/Subscriber/Application/min-coverage-rules-success.php'),
             cleanUpCloverXml: false,
             exitter: $this->exitter,
@@ -394,7 +393,7 @@ public function testNotifyWithCleanUpCloverFile(): void
             ->method('exit');
 
         $subscriber = new ApplicationFinishedSubscriber(
-            relativePathToCloverXml: 'tests/clover-to-delete.xml',
+            pathToCloverXml: 'tests/clover-to-delete.xml',
             minCoverageRules: MinCoverageRules::fromConfigFile('tests/Subscriber/Application/min-coverage-rules-with-failed-rule.php'),
             cleanUpCloverXml: true,
             exitter: $this->exitter,
@@ -431,7 +430,7 @@ public function testNotifyWithDuplicatePatterns(): void
         $this->expectExceptionMessage('Make sure all coverage rule patterns are unique');
 
         new ApplicationFinishedSubscriber(
-            relativePathToCloverXml: 'tests/clover.xml',
+            pathToCloverXml: 'tests/clover.xml',
             minCoverageRules: MinCoverageRules::fromConfigFile('tests/Subscriber/Application/min-coverage-rules-with-duplicates.php'),
             cleanUpCloverXml: false,
             exitter: $this->exitter,
@@ -450,7 +449,7 @@ public function testNotifyWithInvalidRules(): void
         $this->expectExceptionMessage('MinCoverage has to be value between 0 and 100. 203 given');
 
         new ApplicationFinishedSubscriber(
-            relativePathToCloverXml: 'tests/clover.xml',
+            pathToCloverXml: 'tests/clover.xml',
             minCoverageRules: MinCoverageRules::fromConfigFile('tests/Subscriber/Application/min-coverage-rules-invalid.php'),
             cleanUpCloverXml: false,
             exitter: $this->exitter,
@@ -469,7 +468,7 @@ public function testNotifyWithInvalidRuleInstances(): void
         $this->expectExceptionMessage('Make sure all coverage rules are of instance RobinIngelbrecht\PHPUnitCoverageTools\MinCoverage\MinCoverageRule');
 
         new ApplicationFinishedSubscriber(
-            relativePathToCloverXml: 'tests/clover.xml',
+            pathToCloverXml: 'tests/clover.xml',
             minCoverageRules: MinCoverageRules::fromConfigFile('tests/Subscriber/Application/min-coverage-invalid-rule-instances.php'),
             cleanUpCloverXml: false,
             exitter: $this->exitter,
@@ -482,7 +481,7 @@ public function testFromConfigurationAndParameters(): void
     {
         $this->assertEquals(
             new ApplicationFinishedSubscriber(
-                relativePathToCloverXml: 'tests/clover.xml',
+                pathToCloverXml: 'tests/clover.xml',
                 minCoverageRules: MinCoverageRules::fromInt(90, false),
                 cleanUpCloverXml: true,
                 exitter: new Exitter(),
@@ -503,7 +502,7 @@ public function testFromConfigurationAndParameters2(): void
     {
         $this->assertEquals(
             new ApplicationFinishedSubscriber(
-                relativePathToCloverXml: 'tests/clover.xml',
+                pathToCloverXml: 'tests/clover.xml',
                 minCoverageRules: MinCoverageRules::fromInt(90, true),
                 cleanUpCloverXml: true,
                 exitter: new Exitter(),
@@ -526,7 +525,7 @@ public function testFromConfigurationAndParametersFromFile(): void
     {
         $this->assertEquals(
             expected: new ApplicationFinishedSubscriber(
-                relativePathToCloverXml: 'tests/clover.xml',
+                pathToCloverXml: 'tests/clover.xml',
                 minCoverageRules: MinCoverageRules::fromConfigFile('tests/Subscriber/Application/min-coverage-rules-success.php'),
                 cleanUpCloverXml: false,
                 exitter: new Exitter(),