| 1234567891011121314151617 | FROM node:14-alpine AS buildWORKDIR /opt/node_appCOPY package.json yarn.lock ./RUN yarn --ignore-optionalARG NODE_ENV=productionCOPY . .RUN yarn build:app:dockerFROM nginx:1.21-alpineCOPY --from=build /opt/node_app/build /usr/share/nginx/htmlHEALTHCHECK CMD wget -q -O /dev/null http://localhost || exit 1
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