Add server/Dockerfile

server/Dockerfile

@@ -0,0 +1,14 @@
+FROM node:20-alpine
+
+WORKDIR /app
+
+COPY package.json package-lock.json* ./ 
+RUN npm install --omit=dev
+
+COPY src ./src
+COPY static ./static
+
+ENV PORT=8080
+EXPOSE 8080
+
+CMD ["node", "src/index.js"]