acc-optimize-docker-build-time

Installation
SKILL.md

Docker Build Time Optimization

Analyzes Dockerfiles and CI pipelines to minimize build time for PHP projects.

Build Time Breakdown

┌─────────────────────────────────────────────────────────────────┐
│                 TYPICAL PHP BUILD TIMELINE                       │
├─────────────────────────────────────────────────────────────────┤
│  Context upload:    ████░░░░░░░░░░░░░░░░░░░░░░  10s (5%)       │
│  Base image pull:   ████████░░░░░░░░░░░░░░░░░░  30s (15%)      │
│  System packages:   ██████░░░░░░░░░░░░░░░░░░░░  20s (10%)      │
│  PHP extensions:    ████████████░░░░░░░░░░░░░░  60s (30%)      │
│  Composer install:  ██████████░░░░░░░░░░░░░░░░  45s (22%)      │
│  Source code copy:  ██░░░░░░░░░░░░░░░░░░░░░░░░   5s (3%)       │
│  Post-build steps:  ██████░░░░░░░░░░░░░░░░░░░░  30s (15%)      │
│  Total:             ████████████████████████████ ~200s           │
│  Target optimized:                              ~60s (-70%)     │
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Feb 11, 2026