docs: added a guide for Dockerized Angular 19 application #22535
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| # Copy package-related files first to leverage Docker's caching mechanism | ||
| COPY --link package.json package-lock.json ./ | ||
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| # Install project dependencies using npm ci (ensures a clean, reproducible install) | ||
| RUN --mount=type=cache,target=/root/.npm npm ci |
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By default docker init generates the command with the same result, but it uses a single layer, what is the reason for changing it?
# Download dependencies as a separate step to take advantage of Docker's caching.
# Leverage a cache mount to /root/.npm to speed up subsequent builds.
# Leverage bind mounts to package.json and package-lock.json to avoid having to copy them
# into this layer.
RUN --mount=type=bind,source=package.json,target=package.json \
--mount=type=bind,source=package-lock.json,target=package-lock.json \
--mount=type=cache,target=/root/.npm \
npm ci --omit=dev
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This PR introduces a comprehensive, language-specific guide for containerizing Angular applications using Docker, aimed at helping developers streamline development, testing, and deployment workflows. It includes practical steps and examples to set up CI/CD pipelines using GitHub Actions, aligning with modern DevOps best practices.
What’s Included
Credits
Kristiyan Velkov, Docker Captain and experienced Front-end Engineer