30 lines
819 B
Docker
30 lines
819 B
Docker
ARG NODE_VERSION=20.16.0
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FROM node:${NODE_VERSION}-alpine
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# Use production node environment by default.
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ENV NODE_ENV production
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WORKDIR /usr/src/app
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# Download dependencies as a separate step to take advantage of Docker's caching.
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# Leverage a cache mount to /root/.npm to speed up subsequent builds.
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# Leverage a bind mounts to package.json and package-lock.json to avoid having to copy them into
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# into this layer.
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RUN --mount=type=bind,source=package.json,target=package.json \
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--mount=type=bind,source=package-lock.json,target=package-lock.json \
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--mount=type=cache,target=/root/.npm \
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npm ci --omit=dev
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# Copy the rest of the source files into the image.
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COPY . .
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RUN chown -R node.node /usr/src/app
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# Run the application as a non-root user.
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USER node
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# Run the application.
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CMD node index.js
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