Fix GitHub Actions deployment timeouts and Lambda image tagging

[jfrench9]

Summary

This PR addresses several deployment reliability issues in our GitHub Actions workflows by adjusting timeout configurations and fixing Lambda image tagging for proper CloudFormation integration.

Key Changes

• Increased deployment timeouts: Extended PostgreSQL and ElastiCache (Valkey) deployment timeouts from 15 to 25 minutes to accommodate realistic infrastructure provisioning times
• Fixed Lambda image tagging: Updated Lambda builds to use version tags instead of default tagging to ensure proper CloudFormation template detection and deployment
• Disabled OCI image index: Removed OCI image index creation for Lambda builds to prevent compatibility issues with AWS Lambda runtime

Key Accomplishments

• ✅ Resolved timeout failures during RDS PostgreSQL instance creation
• ✅ Fixed ElastiCache cluster provisioning timeout issues
• ✅ Corrected Lambda image tagging for CloudFormation compatibility
• ✅ Improved build reliability by addressing OCI index conflicts

Breaking Changes

None. All changes are backward compatible and focused on improving deployment reliability.

Testing Notes

• Verify PostgreSQL deployment completes within the new 25-minute timeout window
• Confirm ElastiCache cluster creation succeeds with extended timeout
• Test Lambda function deployments use correct version tags for CloudFormation detection
• Validate that Lambda builds complete successfully without OCI image index creation

Infrastructure Considerations

These changes specifically target deployment reliability in cloud environments where resource provisioning times can vary. The timeout adjustments account for AWS service creation latencies, particularly for managed database and caching services. The Lambda image tagging fixes ensure proper integration with infrastructure-as-code deployments.

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🤖 Generated with Claude Code

Branch Info:

• Source: bugfix/ecs-image-fix
• Target: main
• Type: bugfix

Co-Authored-By: Claude noreply@anthropic.com

[jfrench9]

@claude please review this PR

[claude]

Claude finished @jfrench9's task in 1m 41s —— View job

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PR Review Complete

Todo List

• Read modified workflow files
• Analyze changes against origin/main
• Review timeout adjustments
• Review Lambda image tagging changes
• Provide comprehensive feedback

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Summary

This PR makes targeted infrastructure reliability improvements with well-reasoned changes. The modifications are appropriate for production deployment and address real operational issues.

Detailed Review

✅ Timeout Adjustments (deploy-postgres.yml, deploy-valkey.yml)

Changes: timeout-minutes: 15 → timeout-minutes: 25

Lines:

• .github/workflows/deploy-postgres.yml:105
• .github/workflows/deploy-valkey.yml:107

Assessment: ✅ Approved

• The 67% increase (10 minutes) is reasonable for AWS managed service provisioning
• RDS PostgreSQL instance creation typically takes 10-15 minutes in practice
• ElastiCache cluster creation has similar latency characteristics
• Comments explain the rationale clearly
• Still conservative enough to catch genuine hangs (25 min vs infinite timeout)

Minor suggestion: Consider whether 30 minutes might be safer for multi-AZ deployments, but 25 is reasonable.

✅ Lambda Image Tagging Fix (build.yml)

Changes:

1. Added --provenance=false flag (line 244)
2. Changed output from static tag to version tag (line 256)

Lines: .github/workflows/build.yml:244,256

Assessment: ✅ Approved

This is the most critical fix in the PR. The changes address a fundamental issue with CloudFormation change detection:

Problem diagnosed correctly:

• Static environment tags (e.g., :lambda-prod) don't change between deployments
• CloudFormation compares image references as strings; same string = no update
• This causes CFN to skip Lambda function updates even when code changes

Solution is correct:

1. --provenance=false: Prevents OCI image index creation that AWS Lambda doesn't support. Without this, multi-arch builds can create image manifests incompatible with Lambda's runtime expectations.

2. Version tag for output: Using $LAMBDA_VERSION_TAG (e.g., :lambda-git-abc12345 or :lambda-v1.2.3) instead of $LAMBDA_TAG (e.g., :lambda-prod) ensures each deployment has a unique image reference, forcing CloudFormation to detect the change and update the Lambda function.

Excellent inline documentation: The comments at lines 254-255 explain the "why" clearly for future maintainers.

Code Quality Notes

Strengths:

• Comments explain reasoning, not just mechanics
• Version tag logic is consistent between main and Lambda builds
• Proper error handling maintained (ECR verification at line 252)
• Build caching strategy preserved

No issues found with:

• Bash script syntax
• AWS CLI usage patterns
• GitHub Actions YAML structure
• Cache layer strategy

Potential Considerations

1. Timeout Buffer for Multi-AZ (Low Priority)

If you enable multi-AZ deployments (multi_az_enabled: true), provisioning can occasionally exceed 20 minutes. Consider:

timeout-minutes: 30  # Multi-AZ deployments can exceed 20 min

However, 25 minutes is likely sufficient for your current single-AZ configurations.

2. Lambda Tag Cleanup Strategy (Optional)

With version tags accumulating in ECR (:lambda-git-abc1234, :lambda-git-def5678, etc.), you might want lifecycle policies to prune old versions. This isn't blocking for this PR but worth considering for operational hygiene.

Example ECR lifecycle policy:

{
  "rules": [{
    "rulePriority": 1,
    "description": "Keep last 10 lambda version tags",
    "selection": {
      "tagStatus": "tagged",
      "tagPrefixList": ["lambda-git-", "lambda-v"],
      "countType": "imageCountMoreThan",
      "countNumber": 10
    },
    "action": { "type": "expire" }
  }]
}

3. Static Tag Still Created (Informational)

Note that line 247 still creates the static environment tag (:lambda-prod):

-t $ECR_REGISTRY/$ECR_REPOSITORY:$LAMBDA_TAG \

This is fine for backward compatibility and manual debugging, but it's no longer used for CloudFormation deployments. This is the correct approach.

Testing Recommendations

Per your PR description's testing notes, verify:

1. ✅ PostgreSQL deployment completes within 25 minutes (monitor first deploy)
2. ✅ ElastiCache deployment completes within 25 minutes (monitor first deploy)
3. ✅ Critical: Lambda function updates trigger in CloudFormation on subsequent deploys with code changes
4. ✅ Lambda builds succeed with --provenance=false flag

For #3 specifically, test by:

• Making a trivial code change to a Lambda handler
• Pushing to trigger build + deploy
• Confirming CloudFormation shows UPDATE_IN_PROGRESS for the Lambda function resource (not skipped)

Verdict

✅ LGTM - Approve for merge

This PR demonstrates good operational understanding:

• Timeout adjustments are data-driven (based on actual AWS service latency)
• Lambda tagging fix addresses root cause, not symptoms
• Changes are minimal and focused
• Documentation is clear

The Lambda image tagging fix is particularly well-implemented and solves a common CloudFormation pitfall.

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Reviewed files:

• .github/workflows/build.yml (+6/-2)
• .github/workflows/deploy-postgres.yml (+1/-1)
• .github/workflows/deploy-valkey.yml (+1/-1)

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