Docker Multi-Stage Builds: Slash Your Image Size by 90%

📰 Dev.to · devtocash

Learn how to reduce Docker image size by 90% using multi-stage builds, making your deployments faster and more efficient

intermediate Published 25 Jun 2026
Action Steps
  1. Create a separate build stage for your application using Docker's multi-stage build feature
  2. Use the build stage to install dependencies and compile your code
  3. Copy the compiled code to a smaller runtime stage
  4. Configure the runtime stage to use a minimal base image, such as Alpine Linux
  5. Test and verify the resulting image size reduction
Who Needs to Know This

DevOps engineers and developers can benefit from this technique to optimize their Docker images and improve deployment times

Key Insight

💡 Multi-stage builds allow you to separate the build and runtime environments, resulting in significantly smaller image sizes

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🚀 Slash your Docker image size by 90% with multi-stage builds! 💡

Key Takeaways

Learn how to reduce Docker image size by 90% using multi-stage builds, making your deployments faster and more efficient

Full Article

A typical Node.js Docker image weighs 1.2 GB. A Go binary image can be 800 MB. Most of that weight...
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