diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..abc8275
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,26 @@
+# Kopieren nach .env und mit echten Werten befüllen — .env ist in .gitignore, NIEMALS committen!
+
+JWT_SECRET=
+AGENT_API_KEY=
+SCANNER_API_KEY=
+ENCRYPTION_KEY=
+TV_DASHBOARD_KEY=
+
+# Microsoft 365 Mailbox (it-tool@cereda-systems.de)
+SMTP_PASSWORD=
+IMAP_PASSWORD=
+
+# Microsoft Azure AD App-Registrierung
+AZURE_CLIENT_SECRET=
+
+# Anthropic Claude API
+ANTHROPIC_API_KEY=
+
+# Teams Bot
+TEAMS_BOT_APP_SECRET=
+
+# Proxmox API-Token
+PROXMOX_TOKEN=
+
+# GitHub PAT (Feedback-System)
+GITHUB_TOKEN=
diff --git a/docker-compose.yml b/docker-compose.yml
index d9dcadc..dac0e81 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -13,9 +13,11 @@ services:
     environment:
       - NODE_ENV=production
       - PORT=5000
-      - JWT_SECRET=jwt-jItWbLMHTIDElss0C3tMN6NV3hq3GjEIPXp79-X8ljiMS6OMX541Xg
-      - AGENT_API_KEY=itx-4CPJPTHmCfdrL9D62WacCATEvuvULXcp7ECMpSaNUjsS344F6_L4Ug
-      - SCANNER_API_KEY=nsx-aa0193d719c2be765441e1dd24bf7480
+      - JWT_SECRET=${JWT_SECRET}
+      - AGENT_API_KEY=${AGENT_API_KEY}
+      - SCANNER_API_KEY=${SCANNER_API_KEY}
+      - ENCRYPTION_KEY=${ENCRYPTION_KEY}
+      - TV_DASHBOARD_KEY=${TV_DASHBOARD_KEY}
       - JWT_EXPIRATION=8h
       - DATABASE_PATH=/app/data/database.sqlite
       - FRONTEND_URL=https://it-nexus.cereda-systems.de
@@ -25,13 +27,13 @@ services:
       - SMTP_PORT=587
       - SMTP_SECURE=false
       - SMTP_USER=it-tool@cereda-systems.de
-      - SMTP_PASSWORD=Cereda2025!
+      - SMTP_PASSWORD=${SMTP_PASSWORD}
       - SMTP_FROM=IT Support Cereda <it-tool@cereda-systems.de>
       # IMAP (eingehende E-Mails → Tickets)
       - IMAP_HOST=outlook.office365.com
       - IMAP_PORT=993
       - IMAP_USER=it-tool@cereda-systems.de
-      - IMAP_PASSWORD=Cereda2025!
+      - IMAP_PASSWORD=${IMAP_PASSWORD}
       - IMAP_MAILBOX=INBOX
       # Ticket-Links in E-Mails
       - TICKET_BASE_URL=https://it-nexus.cereda-systems.de
@@ -40,21 +42,21 @@ services:
       # Microsoft Azure AD (OAuth2 + Graph API)
       - AZURE_TENANT_ID=6a9a4382-ea6c-4e64-a09f-0905f83b3d64
       - AZURE_CLIENT_ID=de5c4a83-d24d-4323-9f3b-9c3a2f6c709f
-      - AZURE_CLIENT_SECRET=55f8Q~BAYuFl5-zsX4Aob397PKLZssNTVc9rFb9n
+      - AZURE_CLIENT_SECRET=${AZURE_CLIENT_SECRET}
       - AZURE_REDIRECT_URI=https://it-nexus.cereda-systems.de/api/auth/microsoft/callback
       # Anthropic Claude API (KI-Integration)
-      - ANTHROPIC_API_KEY=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
+      - ANTHROPIC_API_KEY=${ANTHROPIC_API_KEY}
       # Teams Bot
       - TEAMS_BOT_APP_ID=bd39de7e-1b85-4e0c-9301-a68cd5122523
-      - TEAMS_BOT_APP_SECRET=jos8Q~UjN.Z65.3e9JeXpeKJdX6li58I2EnhfbZQ
+      - TEAMS_BOT_APP_SECRET=${TEAMS_BOT_APP_SECRET}
       # Microsoft Planner Sync
       - PLANNER_PLAN_ID=CFyoAifRzUi2ONlk01smWpcAHtm3
       # Proxmox Monitoring
       - PROXMOX_HOST=https://192.168.0.184:8006
-      - PROXMOX_TOKEN=root@pam!monitoring=ca287965-3d33-49ec-a069-1bb80fd2e95d
+      - PROXMOX_TOKEN=${PROXMOX_TOKEN}
       - PROXMOX_NODE=hve-01
       # GitHub API (Feedback-System)
-      - GITHUB_TOKEN=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
+      - GITHUB_TOKEN=${GITHUB_TOKEN}
     volumes:
       # Persistente Datenbank - bleibt auch nach Container-Neustart erhalten
       - fido-data:/app/data