install gettext package via apk to get envsubst tool
update docker-entrypoint.sh to export APP_ENV and APP_VERSION, then substitute these variables into the nginx configuration file before executing the main command
Adds all required files for the proof of concept:
- Gitea Actions CI/CD workflows for QA, staging, and production environments
- Docker build configuration with healthcheck and runtime environment injection
- Nginx server config with security headers and health endpoint
- Sample static frontend application displaying environment metrics
- Comprehensive README documentation with architecture, setup, and usage instructions
Nicholas Ceballos