diff --git a/packages/env/lib/build-docker-compose-config.js b/packages/env/lib/build-docker-compose-config.js
index e5ab685f4b1478..dc2c43794eb311 100644
--- a/packages/env/lib/build-docker-compose-config.js
+++ b/packages/env/lib/build-docker-compose-config.js
@@ -149,11 +149,24 @@ module.exports = function buildDockerComposeConfig( config ) {
 				image: 'composer',
 				volumes: [ `${ config.configDirectoryPath }:/app` ],
 			},
+			phpunit: {
+				image: 'wordpressdevelop/phpunit',
+				init: true,
+				depends_on: [ 'mysql' ],
+				volumes: [
+					...developmentMounts,
+					'phpunit-uploads:/var/www/html/wp-content/uploads',
+				],
+				environment: {
+					LOCAL_DIR: 'html',
+				},
+			},
 		},
 		volumes: {
 			...( ! config.coreSource && { wordpress: {} } ),
 			...( ! config.coreSource && { 'tests-wordpress': {} } ),
 			mysql: {},
+			'phpunit-uploads': {},
 		},
 	};
 };