Gravity v1.7.7

What's Changed

• Added curl to the official gravity_node Docker image for health check probes.
• Added a release-pipeline smoke test to verify that /usr/bin/curl is available and executable in the published image.
• Updated the Docker deployment documentation to list curl as an included runtime tool.

The Docker image will be available at:

docker pull ghcr.io/galxe/gravity_node:v1.7.7

Pull Request: #792

Full Changelog: v1.7.6...v1.7.7