add Dockerfile and docker-compose.yml; remove README and executable

Dockerfile

@@ -0,0 +1,18 @@
+# Basis-Image
+FROM node:18
+
+# Arbeitsverzeichnis
+WORKDIR /app
+
+# Dependencies kopieren und installieren
+COPY package*.json ./
+RUN npm install
+
+# App-Code kopieren
+COPY . .
+
+# Port definieren
+EXPOSE 8956
+
+# Startkommando
+CMD ["node", "server.js"]

docker-compose.yml

@@ -0,0 +1,16 @@
+version: '3'
+services:
+  express-app:
+    build: .
+    container_name: cookbook
+    restart: unless-stopped
+    ports:
+      - "8956:8956"
+    environment:
+      - NODE_ENV=production
+    networks:
+      - proxynet
+
+networks:
+  proxynet:
+    external: true