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devops-directive-docker-course/06-building-container-images/client-react/Dockerfile.3

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Docker

FROM node:19.4-bullseye AS build
# Specify working directory other than /
WORKDIR /usr/src/app
# Copy only files required to install
# dependencies (better layer caching)
COPY package*.json ./
# Use cache mount to speed up install of existing dependencies
RUN --mount=type=cache,target=/usr/src/app/.npm \
npm set cache /usr/src/app/.npm && \
npm install
COPY . .
CMD ["npm", "run", "dev"]