Docker Environment Configs, Variables, and Entrypoints

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I go through the multiple ways to get your environment variables into a container, and what shouldn't go into your ENV's.

 ★Show Links★

• Twelve Factor Apps: The Config
• Sample PHP Dockerfile with lots of ENV
• Those Same ENV's overwritten with docker-compose.yml
• Simple example of using Docker ENV's to create custom app config
• Docker MySQL Official Image Entrypoint Script that creates ENV's from files (for secrets)
• 3 Docker Compose Features for Improving Team Development Workflow

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