jwilder/dockerize
Dockerize
This project is a process management toolkit for Docker containers. It provides utilities for supervising container processes, rendering boot templates, streaming logs, and verifying service dependencies.
The toolkit includes a service dependency checker that blocks application startup until required network sockets, web endpoints, or local files are available. It also features a configuration template renderer to generate application files from environment variables during the boot process, and a log streaming utility that pipes file updates to standard output using polling and rotation handling.
The system further manages application lifecycles through a process supervisor that wraps execution and forwards system signals to child processes to ensure graceful shutdowns.
Features
- Container Process Supervisors - Provides a specialized supervisor for containers that ensures system signals are forwarded to child processes.
- Runtime Availability Polling - Blocks startup by repeatedly verifying the availability of network sockets, web endpoints, or local files.
- Configuration File Generation - Generates physical configuration files from templates by injecting environment variables during startup.
- Container Configuration Templates - Generates application configuration files from templates using environment variables during the boot process.
- Container Startup Dependency Management - Pauses Docker container startup until required network sockets, web endpoints, or files are available.
- Container Process Management Toolkits - Offers a comprehensive set of utilities for managing process lifecycles, signal forwarding, and service dependencies in Docker.
- Container Signal Forwarders - Intercepts container stop signals and forwards them to child processes for graceful termination.
- Process Lifecycle Management - Wraps application execution to ensure signals are handled correctly and processes are managed in containers.
- Service Dependency Blocking - Provides a mechanism to block application startup until required network sockets, endpoints, or files are available.
- Environment Variable Injection - Injects environment variables into configuration templates during the initial boot sequence.
- Configuration Template Renderers - Creates destination configuration files by processing templates with environment variables and built-in functions.
- Process Lifecycle Wrappers - Wraps application execution as child processes to manage their lifecycle and capture I/O streams.
- Process Supervision - Manages application lifecycles and signal forwarding inside containers to ensure graceful shutdowns.
- Service Availability Checkers - Blocks application startup until required network sockets, web endpoints, or local files are available.
- Service Availability Polling - Verifies network availability by polling sockets or web endpoints to block application startup until dependencies are ready.
- Startup Dependency Verifications - Blocks application startup until required local files exist on disk to ensure dependency readiness.
- Log File Streaming - Monitors log files via polling and pipes updates to standard output while handling file rotations.
- Container Log Streaming - Pipes log file updates from within a container to the standard output stream using polling.
- Container Management - Simplifies running applications inside containers.
- Deployment and DevOps - Tool for configuring and running applications in Docker containers.
Star history
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