diff --git a/docker-compose.yml b/docker-compose.yml
index 2591814..1d48132 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,10 +5,10 @@ services:
     build: . # Das Image wird beim Start aus dem lokalen Dockerfile gebaut
     container_name: pixelbrew
     restart: unless-stopped
+    env_file:
+      - .env
     environment:
       - NODE_ENV=production
-      - ADMIN_USERNAME=${ADMIN_USERNAME}
-      - ADMIN_PASSWORD=${ADMIN_PASSWORD}
     labels:
       - "traefik.enable=true"
       - "traefik.http.routers.pixelbrew.rule=Host(`${DOMAIN}`)"
diff --git a/next.config.js b/next.config.js
index 1b33044..5a0f83a 100644
--- a/next.config.js
+++ b/next.config.js
@@ -1,15 +1,4 @@
 module.exports = {
-  reactStrictMode: true,
-  output: 'standalone',
-  images: {
-    domains: ['images.unsplash.com', 'localhost'],
-  },
-  env: {
-    SMTP_HOST: process.env.SMTP_HOST || 'smtp.example.com',
-    SMTP_PORT: process.env.SMTP_PORT || '587',
-    SMTP_USER: process.env.SMTP_USER || 'user@example.com',
-    SMTP_PASSWORD: process.env.SMTP_PASSWORD || 'default-password',
-  },s = {
   reactStrictMode: true,
   output: 'standalone',
   images: {
diff --git a/package-lock.json b/package-lock.json
index c4cfa58..cb8ed6c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,7 @@
         "framer-motion": "^12.16.0",
         "leaflet": "^1.9.4",
         "next": "^13.0.0",
+        "nodemailer": "^7.0.5",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
         "react-icons": "^5.5.0",
@@ -1473,6 +1474,15 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/nodemailer": {
+      "version": "7.0.5",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-7.0.5.tgz",
+      "integrity": "sha512-nsrh2lO3j4GkLLXoeEksAMgAOqxOv6QumNRVQTJwKH4nuiww6iC2y7GyANs9kRAxCexg3+lTWM3PZ91iLlVjfg==",
+      "license": "MIT-0",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/normalize-path": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
diff --git a/package.json b/package.json
index 3557e36..63fe58b 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,7 @@
     "framer-motion": "^12.16.0",
     "leaflet": "^1.9.4",
     "next": "^13.0.0",
+    "nodemailer": "^7.0.5",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-icons": "^5.5.0",