Learn to optimize the Docker image size, e.g. via small base images, multi-stage builds, consolidation of RUN statements, or using docker-slim.

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This article provides several tricks to optimize Docker image size, including choosing a suitable base image, using multi-stage builds, consolidating RUN commands, squashing image layers, saving space when installing dependencies, avoiding superfluous chowns, using .dockerignore files, and using the docker-slim tool.

Docker optimization guide: 8 tricks to optimize your Docker image size