feat(docker): add production Dockerfile, docker-compose setup and healthcheck API

docker-compose.yml

@@ -1,15 +1,25 @@
+version: '3.8'
+
 services:
-  website:
-    build: .
-    image: gitea.hephex.de/daniel/websitedummy:latest
-    container_name: websitedummy_app
+  kunden_app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: nd-waas-engine:latest
+    container_name: kunden_instanz_app
     restart: always
-    ports:
-      - "8080:4321"
     environment:
-      - HOST=0.0.0.0
-      - PORT=4321
+      - NODE_ENV=production
+      - PORT=3000
       - DATA_DIR=/app/data
     volumes:
-      - ./app/data:/app/data
-
+      # Kunden-Konfigurationsdaten & Uploads bleiben bei Updates persistent
+      - ./data:/app/data
+    ports:
+      # Interne Port-Anbindung für den händischen Nginx Reverse Proxy
+      - "127.0.0.1:8080:3000"
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "10m"
+        max-file: "3"