docker integration

.dockerignore

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+node_modules
+npm-debug.log
+.git
+.gitignore
+test
+.env
+*.log

Dockerfile

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+FROM node:22-alpine
+
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN npm ci --omit=dev
+
+COPY src ./src
+COPY public ./public
+
+ENV NODE_ENV=production
+ENV PORT=3000
+
+EXPOSE 3000
+
+USER node
+
+CMD ["node", "src/server.js"]

compose.yaml

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+services:
+  stego:
+    build:
+      context: .
+      dockerfile: Dockerfile
+
+    container_name: stegonography-app
+
+    ports:
+      - "3000:3000"
+
+    environment:
+      NODE_ENV: production
+      PORT: 3000
+
+    restart: unless-stopped