Project dockerfile & added build as ci step

Dockerfile

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+FROM node:18-alpine3.15
+
+RUN apk update && apk add curl
+
+RUN mkdir -p /opt/seasoned/node_modules
+WORKDIR /opt/seasoned
+
+COPY src /opt/seasoned/src
+COPY public /opt/seasoned/public
+COPY yarn.lock /opt/seasoned
+COPY package.json /opt/seasoned
+COPY server.ts /opt/seasoned
+COPY webpack.config.js /opt/seasoned
+COPY tsconfig**.json /opt/seasoned
+
+RUN chown -R node:node /opt/seasoned
+
+USER node
+
+RUN yarn install
+
+RUN yarn build
+
+EXPOSE 5001
+
+CMD ["yarn", "start"]