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name: entrypoint description: Generates entrypoint.sh script for Docker container runtime environment variable injection. Replaces placeholder values in built assets with actual environment variables at container startup.

Entrypoint Script Skill

Purpose

Generate entrypoint.sh script for Docker container runtime environment variable injection.

Output

Create the file: entrypoint.sh

Example File

See: examples.md in this directory for complete examples and detailed explanations.

Notes

• Enables runtime environment variable injection into built JavaScript files
• Uses envsubst to replace placeholders with actual environment variable values
• Processes all app*.js files in nginx html directory
• Sets errexit and nounset for safer script execution
• Starts nginx in foreground mode for Docker container
• Requires gettext-base package for envsubst command
• Must be executable (chmod +x entrypoint.sh)