Custom solana-validator dockerfile, ci flow for building docker images

[scheibinger]

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Below is a summarization created by an LLM (gpt-4-0125-preview). Be mindful of hallucinations and verify accuracy.

Why

The changes aim to enhance CI/CD pipelines with scripts for creating Docker image matrices and testing them, alongside adding a new Dockerfile for a Solana validator with ARM64 architecture support. This is crucial for local testing on newer MacBook models and AWS Graviton instances, improving compatibility and testing capabilities.

What

• .github/ci-scripts/create-image-matrix.sh
  • New script added to create a matrix for Docker images, enhancing automation in CI/CD pipelines.
• .github/ci-scripts/test-create-image-matrix.sh
  • New testing script for the image matrix creation, ensuring reliability in the CI/CD process.
• .github/workflows/images-pull-request.yaml
  • New workflow added for handling pull requests, specifically designed to check modified files and potentially build Docker images based on changes, introducing automation and checks into the PR process.
• images/solana-validator/Dockerfile
  • New Dockerfile for building a Solana validator image, including support for ARM64 architecture, addressing the need for compatibility with newer hardware like MacBook Apple chips and AWS Graviton instances.
• images/solana-validator/README.md
  • New README for the Solana validator Docker image, explaining the purpose and the architecture support of the Dockerfile, providing users and developers with context and usage information.

[cl-sonarqube-production]

Quality Gate failed

Failed conditions
3 Security Hotspots

See analysis details on SonarQube