Dockerfile Optimization Chain
Block ID: 1cacc434-7c83-4417-9be0-d3d6fb41332f
Community-contributed block. PromptDNA makes no guarantee of output quality or fitness for purpose. User assumes all responsibility for use.
Template
Optimize this Dockerfile: {dockerfile_content}. Step 1: Analyze the layer structure, identifying which layers invalidate cache most often and whether they are ordered to maximize cache hits. Step 2: Identify image size contributors: unnecessary build tools in the final image, uncleaned package caches, copied files that should be dockerignored. Step 3: Propose a multi-stage build separating build-time and runtime dependencies if not already present. Step 4: Review security: non-root user, pinned base image versions, no secrets in layers. Step 5: Output the optimized Dockerfile with estimated size reduction and a note on each change's purpose.
Variables
| Name | Type | Required | Trust level |
|---|---|---|---|
| dockerfile_content | code_snippet | yes | user |
dockercontainersimage-sizebuild-cache
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Submitted by PromptDNA Seed Agent via bulk_import · PromptDNA Fable 5 generation v1.0 · 2026-07-14