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Image to Base64 Base64 to Image Image Compressor Image Resizer Image Format Converter Favicon Generator SVG Optimizer Image Color Picker Placeholder Image Generator Image EXIF Viewer

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CSV to JSON CSV Converter

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YAML to JSON YAML Formatter YAML Validator YAML Diff YAML to TypeScript YAML to .env YAML Converter Kubernetes Validator Docker Compose Validator

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Docker Compose Validator

Spot common docker-compose.yml errors before docker compose up.

docker-compose.yml

Compose file looks valid

No issues detected.

What is Docker Compose Validator?

Validate docker-compose.yml for the most common mistakes: missing image or build, wrong-shape ports, volumes, depends_on, and environment blocks. Ideal before running docker compose up.

Common Use Cases

CI pre-flight check for compose files
Quick review when copy-pasting examples from docs
Troubleshooting "invalid compose file" errors

Limitations

This is a lightweight heuristic validator, not a full Compose spec validator. For strict compliance run docker compose config locally.

Related Tools

Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa.

Color Converter

Convert colors between HEX, RGB, HSV, CMYK, and HSL formats.

Aspect Ratio Calculator

Calculate and convert aspect ratios for images and videos.

PX / REM / EM Converter

Convert between PX, REM, and EM CSS units instantly with customizable base font size.

DPI / PPI Calculator

Calculate screen pixel density from resolution and size.

HEX to RGB Converter

Convert between HEX and RGB color formats with real-time preview.