add dockerfile and build file

Dockerfile

@@ -0,0 +1,21 @@
+FROM node:22
+COPY build/ /home/node/app
+ENTRYPOINT ["node", "build/index.js"]
+
+
+
+FROM node:22 as builder
+COPY . /src/
+WORKDIR /src/
+
+RUN npm install
+RUN npm run build
+RUN cp package.json ./build/package.json
+RUN cp package-lock.json ./build/package-lock.json
+RUN cd build && npm ci --production
+RUN rm package.json && rm package-lock.json
+
+FROM node:22 as runner
+
+COPY --from=builder /src/build/ /home/node/app
+ENTRYPOINT [ "node", "/home/node/app/index.js" ]