container targeting less hard-coded

express.js

@@ -465,7 +465,7 @@ module.exports = (app) => {
 		// 2. filter for materia-web image and named xxxx_phpfpm_1 name
 		// 3. pick the first line
 		// 4. pick the container name
-		let targetImage = execSync('docker ps -a --format "{{.Image}} {{.Names}}" | grep -e ".*materia:.* docker_app_1" | head -n 1 | cut -d" " -f2');
+		let targetImage = execSync('docker ps -a --format "{{.Image}} {{.Names}}" | grep -e ".*materia:.* docker_app_.*" | head -n 1 | cut -d" " -f2');
 		if(!targetImage){
 			throw "MWDK Couldn't find a docker container using a 'materia-phpfpm' image named 'phpfpm'."
 		}