Added dockerization

Dockerfile

@@ -0,0 +1,17 @@
+FROM node:24-alpine AS builder
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+COPY . .
+RUN npm run build
+RUN npm prune --production
+
+FROM node:24-alpine
+WORKDIR /app
+COPY --from=builder /app/build build/
+COPY --from=builder /app/node_modules node_modules/
+COPY package.json .
+EXPOSE 3000
+ENV NODE_ENV=production
+ENV PUBLIC_JEOPARDY_SERVER=127.0.0.1:12345
+CMD [ "node", "build" ]