feat: Add Dockerfile for containerizing the application

Author: pasibun

Dockerfile

@@ -0,0 +1,14 @@
+FROM node:lts-alpine AS runtime
+
+WORKDIR /app
+
+# Install dependencies
+COPY package.json package-lock.json ./
+RUN npm ci
+
+# Copy source
+COPY . .
+
+EXPOSE 8080
+
+CMD ["node", "index.js"]