feat: add support for building the image with a different architecture than the build environment

carlalexander · carlalexander · commit 9e9cd3509a45 · 2025-10-03T11:52:53.000-04:00
diff --git a/src/Build/BuildContainerImageStep.php b/src/Build/BuildContainerImageStep.php
@@ -74,6 +74,6 @@ public function perform(string $environment, ProjectConfiguration $projectConfig
             throw new RuntimeException('Unable to find a "Dockerfile" to build the container image');
         }
 
-        $this->dockerExecutable->build($dockerfileName, sprintf('%s:%s', $projectConfiguration->getProjectName(), $environment), $this->buildDirectory);
+        $this->dockerExecutable->build($dockerfileName, sprintf('%s:%s', $projectConfiguration->getProjectName(), $environment), $projectConfiguration->getEnvironmentArchitecture($environment), $this->buildDirectory);
     }
 }
diff --git a/src/Executable/DockerExecutable.php b/src/Executable/DockerExecutable.php
@@ -20,9 +20,15 @@ class DockerExecutable extends AbstractExecutable
     /**
      * Build a docker image.
      */
-    public function build(string $file, string $tag, ?string $cwd = null)
+    public function build(string $file, string $tag, string $architecture = '', ?string $cwd = null)
     {
-        $this->run(sprintf('build --pull --file=%s --tag=%s .', $file, $tag), $cwd, null);
+        $platform = 'linux/amd64';
+
+        if ('arm64' === $architecture) {
+            $platform = 'linux/arm64';
+        }
+
+        $this->run(sprintf('build --pull --file=%s --platform=%s --tag=%s .', $file, $platform, $tag), $cwd, null);
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -74,6 +74,6 @@ public function perform(string $environment, ProjectConfiguration $projectConfig`
`74`	`74`	`throw new RuntimeException('Unable to find a "Dockerfile" to build the container image');`
`75`	`75`	`}`
`76`	`76`
`77`		`- $this->dockerExecutable->build($dockerfileName, sprintf('%s:%s', $projectConfiguration->getProjectName(), $environment), $this->buildDirectory);`
	`77`	`+ $this->dockerExecutable->build($dockerfileName, sprintf('%s:%s', $projectConfiguration->getProjectName(), $environment), $projectConfiguration->getEnvironmentArchitecture($environment), $this->buildDirectory);`
`78`	`78`	`}`
`79`	`79`	`}`