diff --git a/Dockerfile b/Dockerfile
index 72fddbb..7dbcb37 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,9 +3,10 @@ FROM cloudron/base:4.2.0@sha256:46da2fffb36353ef714f97ae8e962bd2c212ca091108d768
 RUN mkdir -p /app/code /app/pkg
 WORKDIR /app/code
 
-ARG VERSION=2.54.1
+# renovate: datasource=github-releases depName=prometheus/prometheus versioning=semver extractVersion=^v(?<version>.+)$
+ARG PROMETHEUS_VERSION=2.54.1
 
-RUN curl -L https://github.com/prometheus/prometheus/releases/download/v${VERSION}/prometheus-${VERSION}.linux-amd64.tar.gz | tar zxvf - --strip-components 1
+RUN curl -L https://github.com/prometheus/prometheus/releases/download/v${PROMETHEUS_VERSION}/prometheus-${PROMETHEUS_VERSION}.linux-amd64.tar.gz | tar zxvf - --strip-components 1
 
 COPY env.sh.template start.sh /app/pkg/
 
diff --git a/test/test.js b/test/test.js
index f2af293..83baf95 100755
--- a/test/test.js
+++ b/test/test.js
@@ -1,10 +1,6 @@
 #!/usr/bin/env node
 
-/* jshint esversion: 8 */
-/* global describe */
-/* global before */
-/* global after */
-/* global it */
+/* global it, xit, describe, before, after, afterEach */
 
 'use strict';
 
@@ -12,6 +8,7 @@ require('chromedriver');
 
 var execSync = require('child_process').execSync,
     expect = require('expect.js'),
+    fs = require('fs'),
     path = require('path'),
     { Builder, By, Key, until } = require('selenium-webdriver'),
     { Options } = require('selenium-webdriver/chrome');
@@ -24,7 +21,7 @@ if (!process.env.USERNAME || !process.env.PASSWORD) {
 describe('Application life cycle test', function () {
     this.timeout(0);
 
-    const LOCATION = 'test';
+    const LOCATION = process.env.LOCATION || 'test';
     const EXEC_ARGS = { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' };
     const TEST_TIMEOUT = parseInt(process.env.TIMEOUT, 10) || 50000;
 
@@ -35,16 +32,27 @@ describe('Application life cycle test', function () {
     var app;
 
     before(function () {
-        const options = new Options().windowSize({ width: 1280, height: 1024 });
-        if (process.env.HEADLESS) options.addArguments('headless');
-
-        browser = new Builder().forBrowser('chrome').setChromeOptions(options).build();
+        const chromeOptions = new Options().windowSize({ width: 1280, height: 1024 });
+        if (process.env.CI) chromeOptions.addArguments('no-sandbox', 'disable-dev-shm-usage', 'headless');
+        browser = new Builder().forBrowser('chrome').setChromeOptions(chromeOptions).build();
+        if (!fs.existsSync('./screenshots')) fs.mkdirSync('./screenshots');
     });
 
     after(function () {
         browser.quit();
     });
 
+    afterEach(async function () {
+        if (!process.env.CI || !app) return;
+
+        const currentUrl = await browser.getCurrentUrl();
+        if (!currentUrl.includes(app.domain)) return;
+        expect(this.currentTest.title).to.be.a('string');
+
+        const screenshotData = await browser.takeScreenshot();
+        fs.writeFileSync(`./screenshots/${new Date().getTime()}-${this.currentTest.title.replaceAll(' ', '_')}.png`, screenshotData, 'base64');
+    });
+
     async function waitForElement(elem) {
         await browser.wait(until.elementLocated(elem), TEST_TIMEOUT);
         await browser.wait(until.elementIsVisible(browser.findElement(elem)), TEST_TIMEOUT);