Add Docker samples for easy onboarding #120
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Add containerized hello world workflow with Dockerfile and k8s deployment manifest. Signed-off-by: Diana Zawadzki <[email protected]>
- Created docker-samples directory with standalone Docker-focused samples - Added hello-world sample with environment variable configuration - Created docker-compose.yml orchestrating Cadence server + sample workers - Added quick-start.sh script for one-command demo - Added comprehensive documentation for Docker workflows - Implemented multi-stage Docker build for minimal image size - Added build optimization with .dockerignore This enables running Cadence samples in containers, making it easier for users to get started without local setup. The samples include: - Basic workflow and activity execution - Long-running workflow examples - Environment-based configuration - Production-ready Docker patterns The docker-samples directory is self-contained and can be used independently of the existing samples for quick demonstrations. --- Note: This work was originally started in the wrong repository (cadence instead of cadence-samples) as I'm new to the team. After discussion with David and Ender, we agreed to relocate these files to the correct location. This commit represents that migration - moving the dockerization work from the cadence repo to cadence-samples where it belongs. This was my first project in Cadence, serving as a learning exercise to understand the workflow system while creating a quick-start Docker setup.
Addressing @timl3136's feedback: 1. Removed long_running_example.go - The main samples repo already has 20+ comprehensive workflow examples - Keeping docker-samples minimal and focused on quick onboarding - Added note in README directing users to main samples for more examples 2. Fixed all machine-specific paths - Changed '/path/to/cadence/samples' to 'docker-samples' - Removed GOWORK=off flag (not needed in standalone samples) - Made all paths relative and portable 3. Updated documentation - Clarified that docker-samples is intentionally standalone - Referenced main samples directory for advanced patterns - Improved quick-start instructions The docker-samples directory now serves as a minimal, self-contained quick-start for Docker users, while the main samples directory provides comprehensive examples for learning advanced Cadence patterns.
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Summary
Adds docker-samples directory for quick Cadence onboarding with Docker.
What's included
Note
Originally opened in wrong repo (cadence instead of cadence-samples).
All feedback from initial review has been addressed: