working dockerfile for project mariupol

Dockerfile

@@ -1,14 +1,10 @@
-FROM mhart/alpine-node:10.11
-
-LABEL authors="Lachlan Kermode <[email protected]>"
-
-# Install app dependencies
-COPY package.json /www/package.json
-RUN cd /www; yarn
-
-# Copy app source
-COPY . /www
-WORKDIR /www
-RUN yarn build
-
-# files available to copy at /www/build
+FROM node:20-alpine
+WORKDIR /app
+COPY package.json ./package.json
+COPY package-lock.json ./package-lock.json
+COPY --chown=node:node . /app
+RUN npm install
+RUN npm run build
+EXPOSE 8080
+USER node
+CMD [ "npm", "run", "serve"]