[wip]: ballerine dockerfile only with services

[pratapalakshmi]

Type

enhancement

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Description

• Added a new docker-compose configuration for deploying Ballerine services, specifically the ballerine-workflow-service and a PostgreSQL database (ballerine-postgres).
• The ballerine-workflow-service is configured to initialize the database, seed it, and start the service in production mode. It includes extensive environment variables for configuration, including database credentials, API keys, CORS settings, and more.
• The PostgreSQL service is set up with a custom sibedge/postgres-plv8 image and includes a health check to ensure the database is ready before the workflow service starts.
• A persistent volume postgres15 is defined for database data, ensuring data persistence across container restarts.

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Changes walkthrough

Relevant files

Enhancement

docker-compose-server.yml Docker Compose Configuration for Ballerine Services            deploy/docker-compose-server.yml Introduced docker-compose configuration for ballerine-workflow-service and ballerine-postgres. Configured ballerine-workflow-service with environment variables for database, API keys, CORS origins, and service ports. Set up ballerine-postgres service with sibedge/postgres-plv8:15.3-3.1.7 image and health check. Defined a volume postgres15 for PostgreSQL data persistence. +61/-0

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[changeset-bot]

⚠️ No Changeset found

Latest commit: 4796399

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• deploy/docker-compose-server.yml is excluded by: !**/*.yml

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[github-actions]

PR Description updated to latest commit (4796399)

[github-actions]

PR Review

⏱️ Estimated effort to review [1-5]	2, because the PR introduces a new Docker Compose configuration which is relatively straightforward to review. The main focus would be on the correctness of the Docker Compose syntax, environment variable usage, and the configuration of services and volumes. The complexity is not high, but attention to detail is required to ensure that the configuration will work as intended.
🧪 Relevant tests	No
🔍 Possible issues	Hardcoded Credentials: The PostgreSQL service uses hardcoded credentials (admin for both username and password), which is a security risk.
	Missing Environment Variables: The PR assumes that certain environment variables (e.g., DB_PORT, DB_USER, DB_PASSWORD) are already set. If these are not provided, the service might fail to start.
	Hardcoded API URLs: The EMAIL_API_URL and UNIFIED_API_URL are hardcoded, which might not be suitable for all deployment environments.
🔒 Security concerns	Hardcoded Credentials: Using hardcoded credentials (admin for both username and password) for the PostgreSQL service can expose the database to unauthorized access.

Code feedback:

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relevant file	deploy/docker-compose-server.yml
suggestion	Consider using Docker secrets or environment variables for managing sensitive information such as database credentials (POSTGRES_USER, POSTGRES_PASSWORD). This enhances security by avoiding hardcoded credentials. [important]
relevant line	POSTGRES_USER: admin

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relevant file	deploy/docker-compose-server.yml
suggestion	It's recommended to externalize configuration such as API URLs (EMAIL_API_URL, UNIFIED_API_URL) to environment variables or a configuration file. This allows for greater flexibility across different environments without the need to rebuild or modify the image. [important]
relevant line	EMAIL_API_URL: https://api.sendgrid.com/v3/mail/send

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relevant file	deploy/docker-compose-server.yml
suggestion	Implement a retry mechanism for the ballerine-workflow-service's database initialization and seeding commands to handle temporary database unavailability. This can be achieved by wrapping the commands in a retry loop. [medium]
relevant line	npm run db:init

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relevant file	deploy/docker-compose-server.yml
suggestion	For the healthcheck of ballerine-postgres, consider reducing the interval and timeout values to speed up the readiness check, especially in development environments where startup time is critical. However, ensure that these values are balanced to avoid false negatives in slower environments. [medium]
relevant line	interval: 10s

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[github-actions]

PR Code Suggestions

Category	Suggestions
Best practice	Use a specific version tag instead of latest for Docker images. It's recommended to avoid using the latest tag for Docker images in production environments. Using a specific version tag ensures that the deployment is repeatable and more stable. Consider pinning the workflows-service image to a specific version instead of latest. deploy/docker-compose-server.yml [5] -image: ghcr.io/ballerine-io/workflows-service:latest +image: ghcr.io/ballerine-io/workflows-service:<specific-version>
	Consider using a more controlled restart policy. The restart: on-failure policy might lead to unexpected behavior in some cases. Consider using a more controlled restart policy like unless-stopped or explicitly defining the maximum number of restart attempts. deploy/docker-compose-server.yml [40] -restart: on-failure +restart: unless-stopped
	Ensure dumb-init is properly set as the entry point in the Dockerfile. Using dumb-init as an entry point for Docker containers is a good practice to handle signal forwarding and orphaned zombie processes. However, it's not specified as the entry point in the Dockerfile. Ensure dumb-init is properly installed and set as the entry point in the Dockerfile for the workflows-service container. deploy/docker-compose-server.yml [12] -dumb-init npm run prod +# Ensure the Dockerfile for workflows-service includes: +ENTRYPOINT ["dumb-init", "--"] +CMD ["npm", "run", "prod"]
Enhancement	Make healthcheck parameters configurable through environment variables. The healthcheck configuration for the ballerine-postgres service uses a fixed timeout, interval, and retries count. Consider making these values configurable through environment variables to allow for more flexibility in different environments. deploy/docker-compose-server.yml [57-59] -timeout: 45s -interval: 10s -retries: 10 +timeout: ${DB_HEALTHCHECK_TIMEOUT:-45s} +interval: ${DB_HEALTHCHECK_INTERVAL:-10s} +retries: ${DB_HEALTHCHECK_RETRIES:-10}

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