Migrate CI/CD from Travis CI to GitHub Actions

[Copilot]

Replaces Travis CI configuration with GitHub Actions workflow while maintaining compatibility with existing build scripts and deployment infrastructure.

Changes

• .github/workflows/ci-cd.yml: New workflow that mirrors Travis pipeline (Node.js 4.1, Docker, AWS ECR, deployment)
• Environment variables: Maps GitHub Actions context to TRAVIS_* variables to avoid modifying existing Makefile and deploy.sh
• Permissions: Explicit contents: read and id-token: write for GITHUB_TOKEN
• README.md: Updated build badge to reference GitHub Actions
• Removed: .travis.yml

Configuration Required

AWS credentials must be configured in repository secrets for the workflow to authenticate with ECR and CloudFormation.

Workflow Structure

on: [push, pull_request]
jobs:
  build-and-deploy:
    steps:
      - Setup Node.js 4.1 & Docker
      - Configure AWS & ECR login
      - make all-the-dockers    # builds, tests, creates Docker image
      - make docker-tag         # tags based on branch/PR
      - make docker-push        # pushes to ECR
      - ./scripts/deploy.sh     # CloudFormation deployment

Branch/PR logic in deploy.sh determines target environment (production/sys/int) based on TRAVIS_BRANCH and TRAVIS_PULL_REQUEST variables.

Original prompt

Migrate the travis jobs to github workflows. Do not discuss secrets

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